The links to various free/opensource programs most useful and interesting of April:
z33k lightweight and portable program that allows to seach and download mp3s, play internet radios, support playlists
F-Secure Easy Clean malware removal tool
Home Media Center for Windows XP / Vista / 7 / 8 (32 and 64 bit) it allows local streaming (via web) of photos, music and videos
Hybrid it’s a GUI for various encoders such as X264, XviD, VP8 etc… it also can convert audio streams in AC3, OGG, MP3, FLAC and AAC, for Windows XP / Vista / 7 / 8 (32 and 64 bit)
Kiwi System Info software that can retrieve various info about hardware, storage, memory, network etc…
RarmaRadio allows you to listen to and record radio stations from around the world
System Ninja it allows to optimize (clean) Windows (XP, Vista and 7)