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A# is a port of the Ada programming language to the Microsoft .NET platform. A# is freely distributed by the Department of Computer Science at the United States Air Force Academy as a service to the Ada community under the terms of the GNU General Public License.
AdaCore has taken over this development, and announced "GNAT for .NET", which is a fully supported .NET product with all of the features of A# and more.
ar:إي شارب (.نت)