SkyFonts is a lightweight and free web fonts synchronizer (includes downloading & managing) for Windows & Mac OS X. It was developed by Fonts.com and supported by Google Fonts. In fact, for most of us, we use it as the best free web fonts service - Google Fonts' synchronizer, downloader, installer and manager.

PIDKey is a lightweight and free database-based tool mainly used to test the validity of Microsoft Windows/Office/Visual Studio (and more) product keys in batch, made by Ratiborus and his friends from Russia. With it, we can say goodbye to the huge VAMT (Volume Activation Management Tool).

The well-known and classic CPU-Z (not the GPU-Z) is the most popular product of CPUID. After it, they made another practical tiny app HWMonitor (AKA: CPUID Hardware Monitor) - which is specially designed for monitoring the hardware status in real time.

If PC players want to experience the games on home consoles, an emulator is always the best choice. And to play the PS3 games with excellent performance in many ways on PC platform had become a new dream for lots of PC emulator players. But due to the special hardware architecture PS3 adopts, the research and development of PS3 emulator used for PC has always been a very hard thing (the precondition for using a PC to emulate the game console is PC's performance must surpass the console's several times). Fortunately, some cool guys never gave up trying.

Wine (AKA: WineHQ, originally short for "Wine Is Not an Emulator", another bad name for software) is a free and open-source tool designed for running more and more Windows apps on multiple Unix-like (i.e.: POSIX-compliant) operating systems by calling DLL (like Linux, FreeBSD, Solaris and Mac OS X). It's first launched by Bob Amstadt in 1993.