From Seo Wiki - Search Engine Optimization and Programming Languages
swfmill may be used to generate SWF files that contain library assets for use with MTASC. Currently, it imports images (JPEG, PNG), fonts (TrueType), SVG and other SWF files. It may also place assets on the stage, create movieclips with multiple frames, textfields, among other things.
- Gnash, a free Flash viewer under construction
- SWFTools, tools to create and manipulate SWF files
- Ming, a library to create SWF files