Jigsawlite is a simple, featured and easy-to-use jigsaw puzzle game making tool, which is developed based on the Adobe AIR platform, hence supports Windows, Linux and Max OS X.

Guitar Pro is a much-loved guitar tablature (chords, six line-spectrum, BASS four-line stave) drawing, viewing, printing, listening and learning software by guitarists (from France). At the same time, it is also an excellent MIDI sequencer and MIDI production helper tool, which can output the standard format of MIDI.

Secret Maryo Chronicles (short for SMC) is an open-source, cross-platform 2D side-scrolling Mario clone game, which was inspired by the famous Nintendo Super Mario Bros. series (especially the Super Mario World). It's written in C++ and based on OpenGL, supports Windows, Mac OS X, Linux (Unix) and many other platforms (can be easily ported).

Streets of Rage Remake (short for SorR) is an unofficial brand-new and ultimate remake edition of SoR 1, 2, 3 for PC/Mac/Linux/Xbox, made by BoMbErGaMeS Soft from Spain, costs this team 8 years of time. It has 6 game modes, 103 stages, 19 playable characters, 64 enemies and S, 84 remixes, and more features.

UPX (short for Ultimate Packer for eXecutables) is a classic, illustrious universal and extendable lightweight packer for various executable files (such as EXE, DLL). With excellent compression ratio and very fast decompression speed. And can be regarded as a commercial quality freeware!