Comparison of revision control software

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The following tables compare general and technical information for notable revision control and software configuration management (SCM) software. This article is not all-inclusive and may become out of date quickly.

Contents

General information

Software Maintainer Development status Repository model Concurrency model License Platforms supported Cost
AccuRev [5] AccuRev, Inc. actively developed Client-server Merge or lock Template:Proprietary Any Java Platform (Unix-like, Windows, Mac OS X) Non-free $1495 (enterprise) for each license, free 5-user 30 day trial licenses available
Bazaar[6] Canonical Ltd. actively developed Distributed[1] Merge Template:GPL-lic Unix-like, Windows, Mac OS X Free
BitKeeper[7] BitMover Inc. actively developed Distributed Merge Template:Proprietary Unix-like, Windows, Mac OS X Non-free Quoted on an individual basis.
ClearCase[8] IBM Rational actively developed Client-server Merge or lock[2] Template:Proprietary Linux, Windows, AIX, Solaris, HP UX, i5/OS, OS/390, z/OS, Non-free $4600 per floating license (held for 30-minutes minimum per user)
Code Co-op[9] Reliable Software actively developed Distributed Merge Template:Proprietary Windows Non-free $150 per seat
Codendi[10] Xerox platform actively developed with CVS & Subversion Client-server Merge or lock Template:GPL-lic Linux Red Hat Enterprise 5.x free (Commercial support subscription available)
Codeville[11] Ross Cohen official site offline; latest release July 13, 2007; 6 year(s) ago Distributed Merge BSD Unix-like, Windows, Mac OS X Free
CVS[12] The CVS Team [13] maintained but new features not added Client-server Merge Template:GPL-lic Unix-like, Windows, Mac OS X Free
CVSNT[14] March Hare Software[15] and community members. maintained and new features under development Client-server Merge or lock GPL or proprietary Unix-like, Windows, Mac OS X, i5/OS Free or commercial
darcs[16] David Roundy actively developed Distributed Merge Template:GPL-lic Unix-like, Windows, Mac OS X Free
Fossil[17] D. Richard Hipp actively developed Distributed Merge Template:GPL-lic POSIX, Windows, Mac OS X, Other Free
Git[18] Junio Hamano actively developed Distributed Merge Template:GPL-lic POSIX, Windows, Mac OS X Free
GNU arch[19] Andy Tai maintained but new features not added Distributed Merge Template:GPL-lic Unix-like, Windows, Mac OS X Free
IC Manage[20] IC Manage Inc. actively developed Client-server Merge or lock Template:Proprietary Unix-like, Windows, Mac OS X Non-free Commercial
LibreSource Synchronizer[21] Artenum[22] maintained and new features under development Client-server extended to "tree"[3] Merge Template:GPL-lic[4] Unix-like, Windows, Mac OS X Free
Mercurial[23] Matt Mackall actively developed Distributed Merge Template:GPL-lic Unix-like, Windows, Mac OS X Free
MKS[24] MKS Inc actively developed Client-server Merge or lock Template:Proprietary Unix-like, Windows Non-free
Monotone[25] Nathaniel Smith, Graydon Hoare actively developed Distributed Merge Template:GPL-lic Unix-like, Windows, Mac OS X Free
Perforce[26] Perforce Software Inc. actively developed Client-server Merge or lock Template:Proprietary Unix-like, Windows, Mac OS X Free for up to 2 users, and for OSS development; else $900 per seat, with volume discounts [27]
PlasticSCM[28] Codice Software[29] actively developed Client-server/Distributed Merge Template:Proprietary Unix-like, Windows, Mac OS X Non-free $500 per seat, with volume discounts, free 5-user 30 day trial licenses available [30]
StarTeam[31] Borland (Micro Focus) actively developed Client-server Merge or lock Template:Proprietary Windows and Cross-platform via Java based client Non-free $7500 per concurrent, $2500 per fixed user.
Subversion (SVN)[32] CollabNet, Inc.[33] actively developed Client-server[5] Merge or lock[6] Apache/BSD style Unix-like, Windows, Mac OS X Free (Commercial support/services available)
SVK[34] Best Practical[35] maintenance through 2010, no new features[7] Distributed Merge Artistic/GPL Unix-like, Windows, Mac OS X Free
Rational Team Concert[36] IBM Rational actively developed Client-server Merge or lock Template:Proprietary Linux, Windows, AIX, Solaris, HP UX, i5/OS, OS/390, z/OS, Non-free Free for less than 10 users
Team Foundation Server[37] Microsoft actively developed Client-server Merge or lock Template:Proprietary Server: Windows Server 2003; Clients: Windows and Web included Non-free Licensed through MSDN subscription or through direct buy for $2800 [38]
Telelogic Synergy[39] Telelogic (IBM) actively developed Client-server and Distributed Merge or lock Template:Proprietary Linux, Windows, Unix-like Non-free Contact Telelogic [40]
Vault[41] SourceGear LLC[42] actively developed Client-server Merge or lock Template:Proprietary Unix-like, Linux, Windows Non-free $300 per user
Visual SourceSafe[43] Microsoft serious bug fixes only Shared Folder Merge or lock Template:Proprietary Windows Non-free ~$500 per license or single license included with each MSDN subscription.
Software Maintainer Development status Repository model Concurrency model License Platforms supported Cost

Table Explanation

  • Software: The name of the application that is described.
  • Maintainer: The company or group that is currently taking responsibility for the software's maintenance or development
  • Development Status: The current status of the software project
  • Repository model: describes the relationship between various copies of the source code repository. In a client-server model, users access a master repository via a client; typically, their local machines hold only a working copy of a project tree. Changes in one working copy must be committed to the master repository before they are propagated to other users. In a distributed model, repositories act as peers, and users typically have a local repository with version history available, in addition to their working copies.
  • Concurrency model: describes how changes to the working copy are managed to prevent simultaneous edits from causing nonsensical data in the repository. In a lock model, changes are disallowed until the user requests and receives an exclusive lock on the file from the master repository. In a merge model, users may freely edit files, but are informed of possible conflicts upon checking their changes into the repository, whereupon the version control system may merge changes on both sides, or let the user decide when conflicts arise. Note that distributed version control almost always implies a merge concurrency model.
  • License: The license model under which the software is licensed. These can be both free and paid licenses
  • Platforms Supported: The operating systems that the software application currently supports.
  • Cost: The price of the software application

Technical information

Software Programming language History model Revision IDs Repository size Network protocols Source Code Size
AccuRev C++, Java Changeset Namespace O(revisions) custom
AVS Java Changeset Sequence O(revisions) HTTP, HTTPS
Bazaar Python, Pyrex, C[8] Snapshot Pseudorandom O(patch) HTTP, SFTP, FTP, custom, custom over ssh, custom over HTTP, email bundles[9], WebDAV (with plugin) 4.1 MB
ClearCase C, Java, Perl Changeset Namespace O(patch) HTTP, custom (CCFS), custom (MVFS filesystem driver)
Code Co-op C++ Changeset User ID-Ordinal O(patch) e-mail (MAPI, SMTP/POP3, Gmail), LAN
CVS C Changeset Namespace O(patch) pserver[44], ssh 3.3 MB
CVSNT C++ Changeset Namespace O(patch) sspi, sserver, gserver, pserver, custom over ssh
darcs Haskell Patch Namespace O(patch) HTTP, custom over ssh, email 1.7 MB
Fossil C Snapshot SHA-1 hashes O(patch) HTTP 7.2 MB
Git C, shell scripts, Perl Snapshot SHA-1 hashes O(patch) custom, custom over ssh, rsync, HTTP, email, bundles 1.8 MB
GNU arch C, shell scripts Changeset Namespace O(patch) WebDAV, HTTP
IC Manage c++, c Changeset Namespace O(patch) custom
LibreSource Synchronizer Java Changeset Timestamp of the repository O(patch) HTTP, File-System
Mercurial Python, C Changeset Numbers,[10] SHA-1 hashes O(patch)[11] HTTP, custom over ssh, email bundles (with standard plugin) 1.2 MB
Monotone C++ Hybrid[12] SHA-1 hashes O(patch) custom (netsync), custom over ssh, file system 4.4 MB
Perforce c++, c Changeset Namespace O(patch) custom
Plastic SCM C/C++, C#, Java Changeset Namespace O(revision) TCP IP / SSL
StarTeam C, Java Snapshot MD5 hashes O(revision) custom, TCP/IP
Subversion C Changeset and Snapshot Namespace O(patch) custom (svn), custom (svn) over ssh, HTTP and SSL (using WebDAV) 5.2 MB
SVK Perl Changeset  ?  ?  ?
Synergy Java Changeset (text), Snapshot(binary) Namespace O(patch) HTTP, custom over ssh, custom
Rational Team Concert Java Changeset Namespace O(patch) REST services over HTTP/HTTPS
Team Foundation Server C++ and C# Changeset Namespace O(patch) SOAP over HTTP or HTTPS
Vault C# Changeset  ? O(patch) HTTP, HTTPS
Visual SourceSafe C Snapshot Namespace? O(changes)? None, but can access repository files through a "share"
Software Programming language History model Revision IDs Repository size Network protocols Source Code Size

Table Explanation

  • Software: The name of the application that is described.
  • Programming Language: The coding language in which the application is being developed
  • History model: describes the form in which changes are stored in the repository. For example, when a change is committed, a system could store a copy of the tree before and after the change (snapshot), or it might instead store a copy of the tree before the change and a changeset representing the changes.
  • Revision IDs: are used internally to identify specific versions of files in the repository. Systems may use pseudorandom identifiers, content hashes of revisions, or filenames with sequential version numbers (namespace). With Integrated Difference, revisions are based on the Changesets themselves, which can describe changes to more than one file.
  • Repository size: describes the growth-rate of the repository as changes are committed. O(patch) means that it grows as the size of the patches between revisions, while O(revisions) means that it grows as the size of each revision checked in. O(Changesets) means that the repository grows with each changeset added.
  • Network protocols: lists the protocols used for synchronization of changes.
  • Source Code Size: Gives the size of the source code in megabytes.

Features

Software Atomic commits File renames Merge file renames Symbolic links Pre/post-event hooks Signed revisions Merge tracking End of line conversions Tags International Support Unicode filename support
AccuRev Yes Yes Yes Yes Yes Yes[citation needed] Yes Yes Template:N/A Yes Template:Unk
Bazaar Yes Yes Yes Yes Yes Partial[13] Yes Yes[14] Yes Yes Yes
ClearCase Yes[15] Yes Yes Yes Yes Yes Yes Yes Yes Yes[16] Template:Unk
Code Co-op Yes Yes Yes No limited support No No No YesRational Team Concert Template:Unk Template:Unk
CVS No No No No limited support No No Yes Yes Template:Unk No
CVSNT Yes Yes Template:Unk Yes Yes No Yes Yes Yes Yes Yes
darcs Yes Yes Yes No Yes Yes Template:N/A[17] No Yes No Template:Unk
Fossil Yes Yes Template:Unk No No Yes Yes No Yes Yes Template:Unk
Git Yes Yes (implicit) Yes [45] Yes Yes [46] Yes [47] Yes Yes Yes Partial[18] No
GNU arch Yes Yes Template:Unk Yes Yes [48] Yes Template:Unk Template:Unk Yes Template:Unk Template:Unk
IC Manage Yes Yes No Yes Yes Yes Yes Yes Yes Yes Template:Unk
LibreSource Synchronizer Yes Yes Yes No limited support [19] No Yes [20] No Yes Template:Unk Template:Unk
Mercurial Yes Yes Yes Yes[21] Yes Yes Yes Yes Yes Yes [22] No
Monotone Yes Yes Yes No[23] Yes [49] Yes, mandatory Yes Yes Yes Template:Unk Template:Unk
Perforce Yes Yes[24] No Yes Yes Yes Yes [50] Yes Yes Yes [51] Template:Unk
Plastic SCM Yes Yes Yes Yes Yes Yes Yes Template:Unk Yes Template:Unk Template:Unk
StarTeam Yes[25] Yes Template:Unk Yes No No Yes Yes Yes Yes Template:Unk
Subversion Yes Yes[26] No Yes Yes No Yes[27]. Yes Partial[28] Yes Yes
SVK Yes Yes Yes Yes Yes[29] Yes[30] Yes Yes Yes Yes Template:Unk
Synergy Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Template:Unk
Rational Team Concert Yes Yes Yes Yes Template:Unk Yes Yes Yes Yes Yes Yes
Team Foundation Server Yes Yes Yes Template:Unk Yes Template:Unk Yes Template:Unk Yes Yes Template:Unk
Vault Yes Yes Yes No Yes No No Yes Yes Template:Unk Template:Unk
Visual SourceSafe No No[31] Template:Unk Yes (using shares)[32] Yes No No Template:Unk Yes Yes Template:Unk
Software Atomic commits File renames Merge file renames Symbolic links Pre/post-event hooks Signed revisions Merge tracking End of line conversions Tags International Support Unicode filename support

Table Explanation

  • Software: The name of the application that is described.
  • Atomic commits: refers to a guarantee that all changes made are merged, or that no change at all will be made.
  • File renames: describes whether a system allows files to be renamed while retaining their version history.
  • Merge file renames: describes whether a system can merge changes made to a file on one branch into the same file that has been renamed on another branch (or vice versa). If the same file has been renamed on both branches then there is a rename conflict that the user must resolve.
  • Symbolic links: describes whether a system allows revision control of symbolic links as with regular files. Versioning symbolic links is considered by some people a feature and some people a security breach (e.g., a symbolic link to /etc/passwd). Symbolic links are only supported on select platforms, depending on the software.
  • Pre/post event hooks: indicates the capability to trigger commands before or after an action, such as a commit, takes place.
  • Signed revisions: refers to integrated digital signing of revisions, in a format such as OpenPGP.
  • Merge tracking: describes whether a system remembers what changes have been merged between which branches and only merges the changes that are missing when merging one branch into another.
  • End of line conversions: describes whether a system can adapt the end of line characters for text files such that they match the end of line style for the operating system under which it is used. The granularity of control varies. Subversion, for example, can be configured to handle EOLs differently according to the file type, whereas Perforce converts all text files according a single, per-client setting.
  • Tags: indicates if meaningful names can be given to specific revisions.
  • International Support: indicates if the software has support for multiple language environments and operating system
  • Unicode filename support: indicates if the software has support for interoperations under file systems using different character encodings.

Advanced Features

Software RCS keyword Interactive commits external references partial checkout/clone permissions timestamp preservation supported formats
AccuRev Yes Template:Unk Yes Yes execution bit only Template:Unk Template:Unk
Bazaar with bzr-keywords plugin[33] with bzr-interactive plugin[34] No No execution bit only Yes bzr, subversion[35], git[36], hg[37], any that has a fastexporter
ClearCase Yes [38] Yes No Yes Yes Yes N/A
CVS Yes No Template:Unk Yes[39] Template:Unk Template:Unk cvs
Darcs No Yes No no[40] partial[41] No darcs
Fossil No Yes No No No Template:Unk fossil
Git yes, but not recommended[42] add --interactive[43] Yes[44] No execution bit only No git, cvs, subversion, any that has a fastexporter
Mercurial bundled Keyword extension[45], although not recommended[46] bundled Record extension[47] via Forest extension[48] No execution bit only No hg, subversion[49], git[50], any other format supported by the Convert extension[51]
SVK Template:Unk commit --interactive[citation needed] Template:Unk Yes Template:Unk Template:Unk subversion
Subversion Yes[52] No Yes[53] Yes Partial[54] Yes[55] subversion
Rational Team Concert Yes Yes Yes Yes Yes Template:Unk N/A

Table Explanation

  • RCS keyword: Support of RCS commands
  • Interactive commits: Interactive commits allow the user to cherrypick the patch-hunks that become part of a commit (leaving unselected changes as changes in the working copy), instead of having only a file-level granularity. See darcs record.
  • external references: embedding of foreign repositories in the source tree
  • partial checkout/clone: Ability to checkout or clone only a specified subdirectory from a repository.
  • permissions: Tracks file permission bits in the revision history.
  • timestamp preservation: Overwrites the last modified filesystem attribute with the commit time upon checkout.
  • supported formats: either read/write support or read-only (conversion, potentially repeated)

Basic Commands

Software repository init clone pull push local branches checkout update add remove move copy merge commit revert generate bundle file rebase
AccuRev mkdepot mkstream Template:N/a Template:N/a mkstream mkws / co update / populate add defunct move / rename No merge keep / promote revert No chstream
Bazaar init / init-repository / init-repo branch / clone / get pull push create-local-branch, list-local-branches, remove-local-branch (bzr-local-branches plugin) checkout / co update / up add remove / rm move / mv / rename No merge commit / ci / checkin revert send rebase (rebase plugin)
CVS init No No No No checkout / co / get update / up add remove / rm No No update -j commit / ci remove+update No No
Darcs init get/put pull push Template:N/a get pull add remove move No pull / push record revert send -o[56] Template:N/a
Fossil new/open clone pull push clone/open clone/open update add rm/del mv/rename No merge commit revert Template:Unk Template:Unk
Git init / init --bare clone fetch push branch clone pull add rm mv cp ... ; git add ... [57] merge commit checkout bundle rebase
Mercurial init clone pull push yes (bundled extension[58]) clone pull -u add remove / rm rename / mv copy merge commit revert bundle rebase (Rebase extension[59])
SVK svk depotmap (or svnadmin create) mirror pull push svk copy can create local branches checkout update add delete / del / remove / rm move / mv / rename / ren copy / cp merge / smerge commit / ci revert No smerge -I
Subversion svnadmin create svnadmin hotcopy (svnadmin load) (svnadmin dump) No svn checkout / co svn update / up svn add svn delete / del / remove / rm svn move / mv / rename / ren svn copy / cp svn merge svn commit / ci svn revert No No
Software repository init clone pull push local branches checkout update add remove move copy merge commit revert generate bundle file rebase

Table Explanation

  • repository init: Create a new empty repository (i.e., version control database)
  • clone: Create an identical instance of a repository (in a safe transaction)
  • pull: Pull revisions from a remote repository into a local repository
  • push: Push revisions from a local repository into a remote repository
  • local branches: Create a local branch that does not exist in the original remote repository
  • checkout: Create a local working copy from a (remote) repository
  • update: Update the files in a working copy with the latest version from a repository
  • add: Mark specified files to be added to repository at next commit
  • remove: Mark specified files to be removed from repository at next commit (note: keeps revision history)
  • move: Mark specified files to be moved to a new location at next commit
  • copy: Mark specified files to be copied (similar to hard links created by ln) at next commit
  • merge: Apply the differences between two sources to a working copy path
  • commit: Send changes from your working copy to the (local or remote) repository
  • revert: Restore working copy file from repository
  • generate bundle file: Create a file that contains a compressed set of changes to a given repository
  • rebase: Forward-port local commits to the updated upstream head

Advanced Commands

Software command aliases lock/unlock shelve/unshelve rollback cherry-picking bisect incoming/outgoing grep
AccuRev No enable file locking[clarification needed] keep / co revert / purge[clarification needed] patch[clarification needed] No No No
Bazaar alias No shelve/unshelve uncommit merge (non-tracking) bisect (bisect plugin) missing --theirs-only/missing --mine-only grep (grep plugin)
Darcs No No revert/unrevert unrecord yes[60] trackdown[61] pull/push --dry-run No
Git in '.gitconfig' file No stash/stash pop[62] reset --hard HEAD^ cherry-pick bisect cherry grep
Mercurial in '.hgrc' file No shelve/unshelve (bundled extension[63]) rollback transplant (bundled extension[64]) bisect incoming/outgoing grep
Monotone in monotonerc No No No pluck No No No
Perforce No lock/unlock shelve/unshelve obliterate Yes Template:Unk Template:Unk No
SVK No No No No svk merge No status[65] No
Subversion No svn lock/unlock No No svnmerge cherry-picking Template:Unk status -u[66] No
Team Foundation Server Template:Unk Yes Yes Template:Unk Template:Unk Template:Unk Template:Unk Template:Unk
Software command aliases lock/unlock shelve (stash)/unshelve rollback cherry-picking bisect incoming/outgoing grep

Table Explanation

  • command aliases: create custom aliases for specific commands or combination thereof
  • lock/unlock: exclusively lock a file to prevent others from editing it
  • shelve/unshelve: temporarily set aside part or all of the changes in the working directory
  • rollback: remove a patch/revision from the history and destroy it, unsafe on non-private repostories
  • cherry-picking: move only some revisions from a branch to another one (instead of merging the branches)
  • bisect: binary search of a change
  • incoming/outgoing: query the differences between the local repository and a remote one (the patches that would be fetched/sent on a pull/push)
  • grep: search repository for lines matching a pattern

User interfaces

Software Web interfaces Stand-alone GUIs Integration and/or Plug-ins for IDEs
AccuRev Yes Windows (incl. explorer integration), Linux, Unix, Mac OS X, BeOS available IDEA (AccuRev4IDEA), Eclipse, Visual Studio
Bazaar can use a plain webserver, webserve, loggerhead or Trac Olive, bzr-gtk (GTK+), QBzr (Qt), TortoiseBzr (Windows) Eclipse (BzrEclipse, QBzrEclipse), Visual Studio (bzr-visualstudio), TextMate (TextMateBundle), Komodo IDE
ClearCase included, Clearcase Web Interface older: MS Windows native, Motif-based GUI for Unix-like systems, TSO client for z/OS. Emacs, Eclipse ( IBM Proprietary, Eclipse-CCase ), Visual Studio (IBM proprietary), KDevelop (standard?), IDEA (standard?, 1, 2)
Code Co-op Not necessary since entire project is replicated locally Windows  ?
CVS cvsweb, ViewVC, codeBeamer, others TortoiseCVS (Windows Explorer), WinCVS, Mac OS X, GTK, Qt available Eclipse (Team), KDevelop (standard), IDEA (standard), Emacs (standard VC), Komodo IDE, BBEdit
CVSNT cvsweb, ViewVC, others Windows, Mac OS X, OS/400, GTK, Qt available All those that support CVS, plus commercial plugins for SCCI, Bugzilla, Build
darcs darcs.cgi included; darcsweb, Trac under development; TortoiseDarcs (Windows Explorer), Mac OS X (alpha), Eclipse (eclipsedarcs), Emacs (vc-darcs.el)
Git gitweb, wit, cgit, GitHub, gitorious, Trac, codeBeamer gitk, git-gui (Tcl/Tk), tig, TortoiseGit, qgit, gitg (GNOME/GTK), (h)gct (Qt), git-cola (Qt), Git Extensions (Windows Explorer) Eclipse (JGit/EGit); Netbeans (NbGit); Visual Studio (Git Extensions); Emacs (extension for standard VC); TextMate (Git TextMate Bundle); Vim (VCSCommand plugin); IntelliJ IDEA >8.1 (standard feature); Komodo IDE; Anjuta
GNU arch ArchZoom ArchWay (GTK2), TlaLog Emacs (standard VC)
IC Manage included, P4Web, P4FTP Windows, Linux, Unix, Mac OS X, BeOS available Eclipse, Visual Studio (P4SCC), KDevelop (standard?), IDEA (standard?), Komodo IDE
LibreSource Synchronizer LibreSource Windows, Linux, Unix, Mac OS X available [67]  ?
Mercurial included [68], Bitbucket, Trac, codeBeamer Hgk (Tcl/Tk), (h)gct (Qt), TortoiseHg (Windows Explorer, Nautilus), MacMercurial (MacOS X 10.4 and newer) Eclipse (Mercurial Eclipse), NetBeans ([52]), Visual Studio 2008 ([53]), Emacs, Vim (VCSCommand plugin), Komodo IDE
Monotone ViewMTN, TracMonotone, Monotone-Viz (GTK+), Qt available  ?
Perforce included, P4Web, P4FTP Windows, Linux, Unix, Mac OS X, BeOS available Eclipse, Visual Studio (P4SCC), KDevelop (standard?), IDEA (standard?), Komodo IDE, BBEdit
Plastic SCM Not necessary since entire project is replicated locally Windows, Linux, Unix, Mac OS X available Eclipse, Visual Studio, JDeveloper
StarTeam included Windows, Java, Eclipse, Visual Studio, BDS2006 integration, plus Java command-line Visual Studio, JBuilder, Eclipse
Subversion Apache 2 module included, WebSVN, ViewSVN, ViewVC, Trac, SharpForge, sventon, Warehouse, codeBeamer Qt, TortoiseSVN (Windows Explorer), KDESVN, Java, Mac OS X[54] (including Finder integration), Nautilus Eclipse (Subclipse, Subversive), Visual Studio (AnkhSVN, VisualSVN), Netbeans, IDEA (standard), KDevelop (standard), TextMate (SVNMate plugin), Emacs (standard VC), MonoDevelop (standard), Komodo IDE, Anjuta, BBEdit
SVK  ?  ?  ?
Synergy via Telelogic Change interface Windows (incl. explorer integration), Linux, Unix Eclipse (Telelogic proprietary), Visual Studio (Telelogic proprietary), IDEA (Telelogic proprietary)
Rational Team Concert Yes Eclipse-based GUI Eclipse integration; MS Visual Studio integration
Team Foundation Server included (Sharepoint Server used for web services) Windows included; MacOS, Unix available Visual Studio. Java client for Eclipse IDE and IntelliJ
Vault included Windows, Unix-like, Mac OS X Visual Studio 2003 and higher, Eclipse 3.2 and higher
Visual SourceSafe none included; SSWI, VSS Remoting Windows included; Linux, Mac OS and Solaris using SourceOffSite; any Java VM using SourceAnyWhere Visual Studio, IDEA (standard?)
Software Web interfaces Stand-alone GUIs Integration and/or Plug-ins for IDEs

Table Explanation

  • Software: The name of the application that is described.
  • Web Interface: Describes whether the software application contains a web interface. A web interface could allow the software to post diagnostics data to a website, or could even allow remote control of the software application.
  • GUIs: A GUI is a graphical user interface. If a software product features a GUI its functionality can be accessed through application windows as opposed to accessing functionality based upon typing commands at the command prompt such as a DOS interface.
  • Plug-ins: functionality is available through an Integrated Development Environment. Minimum functionality should be to list the revision state of a file and checkin/checkout files.

History and adoption

Template:Cleanup-section

Software History Notable users
AccuRev First publicly released in 2002 Clients include: SanDisk, Sony, Orbitz, MCI, and Polycom[citation needed]
Bazaar Loosely related to baz Ubuntu, Launchpad, KatchTV [55], MySQL
BitKeeper Evolved from Sun WorkShop TeamWare Linux Kernel (2002-2005) and many companies [56]
ClearCase Developed beginning in 1990 by Atria Software, following concepts developed by Apollo Computer in DSEE during the 1980s. The most recent version is 7.1.1, released in Dec 2009. IBM, Cisco, Motorola, Siemens, Ericsson, Nokia and other large organizations worldwide[citation needed]
Code Co-op The first distributed VCS, demoed in 1997 [57], released soon after. Clients include: Logitech, HP, Ericsson[citation needed]
CVS First publicly released July 3, 1986; based on RCS thousands of organizations worldwide[citation needed]
CVSNT First publicly released 1998; based on CVS. Started by CVS developers with the goal adding support for a wider range of development methods and processes. If you search the cvsnt, wincvs and tortoisecvs newsgroups for any Fortune 500 company you like you will see that almost any large company you care to name that develops software uses CVSNT.[citation needed]
darcs First announced on April 9, 2003 DokuWiki, GHC, Mnet, Projects Using Darcs
Git Started by Linus Torvalds in April 2005, following the BitKeeper controversy.[69] Linux kernel, GNOME, Perl 5 [58], X.Org, Cairo, Qt Software, Samba, OpenEmbedded, Ruby on Rails, Wine, Fluxbox, Openbox, Compiz Fusion, XCB, ELinks, XMMS2, e2fsprogs, GNU Core Utilities (Also see list of Git projects)
GNU arch Started by Tom Lord, it later became part of the GNU project. Lord resigned as maintainer in August 2005. available for GNU Savannah and Gna.org projects
IC Manage Developed by IC Manage, Inc which was founded in 2003 by Shiv Sikand and Dean Drako. many organizations worldwide [59]
LibreSource Synchronizer First publicly released on June 13, 2005 Most of the LibreSource Community
Mercurial Started April 6, 2005 by Matt Mackall, following the BitKeeper controversy.[69] First released on April 19, 2005 Mozilla, NetBeans, Xine, Xen, OpenJDK, OpenSolaris, wmii, MoinMoin, Linux-HA, Python[70] (Also see list of projects using Mercurial)
Monotone First released in April 2003 coLinux, CTWM, Pidgin, Xaraya [60]
Perforce Developed by Perforce Software, Inc which was founded in 1995 by Christopher Seiwald. many organizations worldwide [61], FreeBSD[62]
Plastic SCM Developed by Codice Software, Inc which was founded in 2005 by Pablo Santos and David Suarez many organizations[citation needed]
Revision Control System July 1985 RCS is generally (but not always) superseded by other systems such as CVS, which began as a wrapper on top of RCS.
Source Code Control System 1972 as the POSIX source-control tool, SCCS is widely available on UNIX platforms. Sun WorkShop TeamWare uses SCCS files.
StarTeam Developed by StarBase software, acquired by Borland(which was acquired by Micro Focus). Borland, BT, Cintas, EDS, Kaiser Permanente, Met Office, Quest Software, Raymond James, Siemens, and many more globally distributed companies[63]
Subversion Started in 2000 by CVS developers with goal of replacing CVS ASF, SourceForge, FreeBSD, Google Code, KDE, GCC, Ruby, Mono, PuTTY, Zope, Xiph, GnuPG, CUPS, Wireshark, TWiki, Django, аvailable on CodePlex, and many organizations worldwide [64]
SVK Authored by Chia-liang Kao with Audrey Tang. First version was on November 19, 2003. 1.00 on May 9, 2005. 2.0.0 on Dec 28th, 2006. SVK became a product of Best Practical on June 5, 2006. Request Tracker
Synergy Developed beginning in 1988 by Caseware, as AmplifyControl. The company was renamed Continuus in 1994, where the product became better known as Continuus/CM. Continuus was acquired by Telelogic in 1999 shortly after going public; the product was renamed Telelogic Synergy. IBM acquired Telelogic in 2008 for integration into their Rational tool suite. The product is now known as IBM Rational Synergy. General Motors, BMW, Chrysler, Nokia, Philips, Raytheon, Morgan Stanley, Friends Provident, Boeing, Lockheed Martin, Siemens and other small, medium and large organizations worldwide[citation needed]
Rational Team Concert Version 1.0 released on June, 2008 IBM
Team Foundation Server First publicly released on March, 2006 Available on CodePlex, Microsoft itself and other large organizations worldwide[citation needed]
Vault First publicly released in February, 2003  ?
Visual SourceSafe originally created by a company called One Tree Software, version 3.1. Company was bought by Microsoft which released version 4.0 of VSS around 1995  ?
Software History Notable users

Table Explanation

  • Software: The name of the application that is described.
  • Notable users: is a list of well known projects using the software as their primary revision control system, excluding the software itself, followed by a link to a full list if available.
  • History: briefly describes the software's origins and development.

See also

References

  1. Bazaar is a Distributed version control system but it can also be used in a centralized manner using lock step development and checkouts.
  2. In ClearCase, a trigger may be set to allow for the lock model, and this is done at many sites. However, ClearCase development usually takes place on private branches where each developer is given their own branch, so the lock vs. merge concurrency model doesn't matter as much. Code is merged back to the main branch once the developer is ready to deliver their code to the project.
  3. "a workspace can be synchronized with more than one LibreSource Synchronizer. As a limitation, the network must have tree topology." says LibreSource Synchronizer.
  4. As of version 2.5, "LibreSource is now released under GPL Version 2". http://dev.libresource.org/home/news/Mature_the_collaborative_forge_LibreSource_now_released_under_GPL. 
  5. SVK allows Subversion to have Distributed branches.
  6. In Subversion, a file attribute enables the lock model on per-file basis. This file attribute can be set automatically using file name wildcard expressions.
  7. "The Future of SVK". May 28, 2009. http://lists.bestpractical.com/pipermail/svk-devel/2009-May/001224.html. Retrieved June 6, 2009. 
  8. Bazaar's critical modules are written in Pyrex. They are automatically translated to pure C; except for the patience sorting module, used in merge resolution, which is written directly in the C language.
  9. A Bazaar bundle is a summary diff, with sufficient extra information to preserve history.
  10. Mercurial revision numbers are local to a repository; they can differ from repository to repository depending on in which order merges are performed.
  11. "Mercurial 0.5b vs git". overview of performance/scalability. http://www.selenic.com/pipermail/mercurial/2005-May/000334.html. Retrieved 2006-12-05. 
  12. A Monotone's revisions represent changesets and its manifests represent snapshots, each revision is linked to some manifest. But manifests are legacy constructs, they aren't kept in the database anymore and reconstructed on the fly if needed. The real work now happen in rosters which are hybrid snapshot/changeset structures.
  13. They can be automatically generated[1] and manually verified, but verification is not automatic
  14. EOL conversions are supported since bzr 1.14
  15. ClearCase 7.1.1 release notes
  16. Support Policy for National Languages and ClearCase
  17. darcs' patches each bear a unique identifier, impossible to merge twice the same patch in a repository (without destructively modifying history using "unsafe" commands).
  18. Git itself is not internationalized, just git-gui and gitk (both are shipped with git).
  19. Its possible to embed the action in a shell or Ant script.
  20. A merged is tracked by its workspace origin.
  21. Mercurial versions 0.9.4 and higher support symlinks.
  22. Mercurial is in the process of being translated to at least dutch and chinese
  23. It could be done via user level hooks
  24. Perforce Knowledge Base: Renaming Files
  25. StarTeam supports atomic commits as of version 2006
  26. Subversion can move a file and conserve its history, if and only if the target of the move is in the same Subversion repository as the source. Cross-repository moves require third-party tools such as svk. Also, a rename operation is actually a copy-with-history-and-delete sequence.
  27. New to SVN 1.5 ([2]). A separate tool "svnmerge" ([3]) provides merge tracking for older versions.
  28. In Subversion, tags are a special case of the more generic "cheap copy" concept of Subversion. Per convention, a tag is a copy into a directory named "tags". Because of this, even tags are versioned. See [4] for more information. The reason for partial support in the table is because Subversion's emulation of tags in this manner does not meet the requirement that the tag name can be used in place of any revision identifier wherever the user may be required to enter one. This column would be meaningless if the definition were to be loosened enough to encompass Subversion's approach as every version control system supports branching and would therefore support tags as well.
  29. Uses subversion server
  30. Signature - SVK Wiki
  31. Version change history is removed upon rename; old name not referenced.
  32. Note that VSS Shares do not support anything like actual Unix symbolic links
  33. Bazaar keywords plugin
  34. Bazaar interactive plugin
  35. bzr-svn
  36. bzr-git
  37. bzr-hg
  38. IBM Rational ClearCase: The ten best triggers
  39. Using alias of the CVSROOT/modules file.
  40. Darcs can do sparse checkouts from explicit checkpoints on darcs-1 repositories, but not from darcs-2 ones[citation needed]
  41. Darcs can automatically detect #! scripts and make them executable on checkout.
  42. The Git FAQ states that keyword expansion is not a good thing, see the Git FAQ
  43. git-add(1) Manual Page
  44. git-submodule(1) Manual Page
  45. Mercurial KeywordExtension page
  46. Why You Don't Need [Keyword Substitution]
  47. Mercurial RecordExtension page
  48. hgforest repository
  49. hgsubversion page
  50. Hg-Git Mercurial Plugin
  51. Mercurial ConvertExtension page
  52. Keyword Substitution
  53. Externals Definitions
  54. SVN records file permissions when a file is added, but does not allow changing them later on.
  55. Disabled by default.
  56. darcs send prepares a bundle of patches, defaults to sending it by mail but can send it to a file instead
  57. copies are detected after the fact, much like renames
  58. Mercurial Bookmarks extension page
  59. Mercurial Rebase Project page
  60. darcs operate on patches not revision, cherrypicking simply consists in pulling a given patch from one repository to another one as long as the dependencies are fulfilled
  61. trackdown performs an automated search by repeatedly running a provided command on previous revisions on the working copy until the command succeeds (doesn't return an error code)
  62. git stash is a multi-level shelve, it's possible to shelve several change groups at the same time
  63. Mercurial Shelve extension page
  64. Mercurial Transplant extension page
  65. svk status lists differences between working copy and repository, not differences between two repositories
  66. svn status lists differences between working copy and repository, not differences between two repositories
  67. Any OS that support a Java Virtual Machine 1.5
  68. hgweb for single-repository access and hgwebdir for multiple repository access from a single HTTP address
  69. 69.0 69.1 Towards A Better SCM: Revlogs and Mercurial, presented by Matt Mackall to the Ottawa Linux Symposium, July 2006
  70. transition ongoing

External links

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