PeaZip is an open source file and archive manager. It's freeware and free of charge for any use.

SUPER is an easy-to-use Multimedia Encoder and Player, requiring only one simple click.

Rainlendar is a customizable calendar that displays the current month. It is a very lightweight application that doesn't use much system resources or take much space on your desktop.

Vuze (formerly Azureus) is a free BitTorrent client used to transfer files via the BitTorrent protocol. Vuze is written in Java, and uses the Azureus Engine. Vuze offers multiple torrent downloads, queuing/priority systems (on torrents and files), start/stop seeding options and instant access to numerous pieces of information about your torrents.