Windows

• CCleaner – system optimization and cleanup
• WinDirStat -disk space usage maps
• StM - start-up program manager
• 7-Zip – file compression/decompression
• ImgBurn - CD/DVD image creator and burner
• Skype
• Firefox – web browser
• Crome – web browser
• Safari – web browser
• uTorrent - P2P
• Bonjour – resource discovery (i.e. printers)
• Revo Uninstaller – application uninstaller
• VLC Media Player – video media player
• PuTTY - SSH client
• WinRAR - RAR file compression/uncompression
• FileZilla - FTP client
• PDF Creator - PDF file creation, merging
• FreeMind - mind mapping
• TweetDeck - twitter client
• Picasa - photos processing and management
• Gimp - graphics design
• MWSnap - screen snapshots

Mac OSX

• FreeMind - mind-mapping
• Cyberduck - FTP/WebDAV/SFTP client
• SnapnDrag - screen snapshots
• Smultron - text/code file editor
• TweetDeck - twitter client
• The UnArchiver - file compression/uncompression
• Skype
• Transmission - P2P client
• Perian - quicktime format support extensions
• Burn - DVD burning
• Growl - system notifications
• Safari – web browsing
• Firefox – web browsing
• Handbrake - DVD ripping
• Gimp - graphics design
• Picasa - photos processing and management
• GrandPerspective - disk space usage maps
• iStatMenus – resource usage monitors
• MacFUSE - support for windows filesystems
• VLC Media Player – video media player

OS Independent

• Memtest86 – x86 system memory tester

Hosted Applications

• Google Apps – email and office productivity software
• Ninite – creates install package for user-selected free software (windows only)

Linux Server Applications

• PHPList - email list management
• Joomla CMS – website development
• SugarCRM CE – customer/client relationship management
• LimeSurvey - email/web surveys