filezilla-project.org
Windows, Mac, Linux
FileZilla is a reliable FTP, FTPS, SFTP client for Windows Mac and Linux. There is a FileZilla FTP server for Windows.
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firealpaca.com
Windows, Mac
FireAlpaca is free digital painting software for Windows and Mac
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www.mozilla.org
Windows, Mac, Linux
Firefox is a fast and friendly web browser.
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www.flightgear.org
Windows, Mac, Linux
FlightGear is a free flight simulator program.
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fraqtive.mimec.org
Windows, Mac, Linux, FreeBSD
Fraqtive makes fractals. Fraqtive can make fractal sequences that can be made into an animation video.
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www.freepascal.org (FPC)
www.lazarus-ide.org (Lazarus IDE)
Windows, Mac, Linux & Several Other Platforms
The Free Pascal Compiler is an open source compiler that is similar to Turbo Pascal. The Lazarus IDE for Free Pascal is similar to Delphi.
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