The links to various free/opensource programs most useful and interesting of December:
Classic Shell it allows the Windows 7 Start menu get back in Windows 8
Cubiez a marketplace of apps for your computer (Windows)
SoftPerfect WiFi Guard monitor wireless networks and show connected devices/IPs
Freemore Audio Video Suite universal audio and video converter, audio recording/editing software, CD/DVD/ISO tools, PDF and OCR tools, Youtube software, online radio and tv players
C++ RTMP Server it allows to easily setup a RTMP server in Linux and Mac OS X
Photivo it’s a powerful photo processing software with many features (it supports also RAW format)
Tails a Linux based live operating system that aims at preserving your privacy and anonymity