a cross-platform application to download and convert videos from your hard drive or from dozens of video sharing websites like YouTube, Dailymotion, Veoh, Metacafe, etc.
a free and open source 2D animation/drawing software for Mac OS X, Windows, and Linux. It lets you create traditional hand-drawn animation (cartoon) using both bitmap and vector graphics.
A cross-platform editor with a well-designed and consistent look and feel. It also has a class browser, currently only for C++, and keeps the class/function display updated.
a pure Java implementation of the Ruby interpreter is tightly integrated with Java to allow both to script any Java class and to embed the interpreter into any Java application.
a portable command-line driven interactive data and function plotting utility for UNIX, IBM OS/2, MS Windows, DOS, Macintosh, VMS, Atari and many other platforms.
an OCR (Optical Character Recognition) program. It converts scanned images of text back to text files. GOCR can be used with different front-ends, which makes it very easy to port to different OSes and architectures.
mp3 stream recorder (unix / win32 / winamp plugin) using the title+artist as filename (+ idv3 tag) and while ripping, it broadcasts the stream locally so you can listen to it simultaneously.
a 3D simulation environment designed for the simulation of decentralized systems and artificial life. While the concept is similar to existing packages such as Swarm and StarLogo, the implementation, which simulates both continuous time and continuous 3D
a build configuration tool. Describe your C, C++, or C# software project using a simple, easy to read syntax and let Premake generate the project files for Visual Studio, GNU Make, Code::Blocks, CodeLite, SharpDevelop, or MonoDevelop.