ENDMEMO

Open source free software for recording and editing sound, supports Mac, Windows, Linux.

ImgBurn is a lightweight CD / DVD / HD DVD / Blu-ray burning application.

Free universal batch media transcoder, which integrates most popular audio/video codes and toolsinto an all-in-one solution.

Playing videos, DVDs, VCDs.

Classic MP3, Multimedia and Music Player.

Supports 7z, ZIP, GZIP, BZIP2, TAR (for packing/unpacking), and RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB, NSIS (for unpacking only).

easy-to-use web page editing.

Open source GPL virus scanner

Windows watchdog helps to detet spywares and trojans, opensource

A standards-based webmail package written in PHP, has all the functionality you would want from an email client, including strong MIME support, address books, and folder manipulation.

Email Client.

Free Text Editor, supports grammer highlighting of a lot of languages.

P2P Download manager.

Open source software, reliable FTP client and server.

Download manager.

P2P download manager.

Free SFTP, FTP and SCP client for windows.