The worlds first OpenSource Realtime Editing and Effects System. Jahshaka takes advantage of the power of OpenGL and OpenML to give its users exceptional levels of performance. We currently support Linux, OsX, Irix and Windows, and Solaris is on the way!
al free universal audio/video batch transcoder, putting together lots of excellent audio/video codecs and tools from the open source community into an all-in-one solution, capable of transcoding among different audio/video formats with many extra features
Speech for Windows® applications, includes freely distributable text-to-speech engines (in U.S. English and Simplified Chinese) and speech recognition engines (in U.S. English, Simplified Chinese, and Japanese).
a multi-lingual (German, English, Tibetan) and multi-platform (Windows, Linux, MacOs X and Solaris) Open Source Emotional Text-to-Speech Synthesis System
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 bit more feature powered than Zamzar. With more formats and a bit more complicated interface. However, I can guarantee you that it’s worth the usage. No email needed. 100Mb limit
a multi-platform game library for C/C++ developers that provides many functions for graphics, sounds, player input (keyboard, mouse, and joystick), and timers. It also provides fixed and floating point mathematical functions, 3D functions, etc...
Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer.