ScummVM (short for Script Creation Utility for Maniac Mansion Virtual Machine) is a free and open-source cross-platform interpreter (not a game emulator) for many classic point-and-click adventure and role-playing games that were made for DOS platform only, originally written by Ludvig Strigeus in 2001.

As the mobile Internet spread, more and more people began to stare at screens almost all day (except when they were sleeping) - if you're not looking at your computer screen at work, you're looking at your phone screen at rest. At the same time, the harm of blue light on the human eyes is more and more obvious and serious (the main symptoms are: eye fatigue, eye dry, eye tears, eye sting). The most effective and direct way to reduce the blue light damage is to reduce the amount of blue light emitted from screen. As a result, there are all kinds of eye protection apps on computers and mobile phones.

If you're a HD movie lover, you may want to consider how to turn your old computer in the living room into a powerful home theater for playing video and music! However, the days of using the computer as a video source for the TV to play all kinds of multimedia contents have been over, and the best solution right now is Kodi. It makes it easy for anyone to turn their computer, smart TV, tablet or smartphone into a powerful multimedia center in their living room, bringing a more elegant and comfortable home theater experience.

PreviSat (may be the successor of TLE Analyser) is a free, open-source and multi-functional satellite real-time tracking software for Windows, Mac and Linux platforms, developed by astropedia from France. By analyzing the Two-Line Element (TLE) data published and updated regularly by United States Space Surveillance Network (SSN), it can achieve accurate prediction and tracking of satellite orbit, and simultaneously analyze the TLE parameters of hundreds of in-orbit targets.

Stunt Rally is a completely free and open-source 3D racing game for Windows and Linux platforms. It uses several open-source technologies (such as driving simulator VDrift, physics engine Bullet, object-oriented graphics rendering engine OGRE, grid's rendering optimization PagedGeometry, fast, flexible and simple GUI MyGUI, etc.) to construct a very complex and interesting auto stunt rally game.