Windows
Application Directories
System
GParted [free disk partition tool]
ISO Recorder [free tool for burning CD and DVD images]
Java Runtime Environment [Java virtual machine for home users]
Tweak UI [free tool for tweaking Windows system settings]
7-Zip [free file compression tool for Windows]
U3 Launchpad Removal [free tool for Windows for uninstalling U3 Launchpad]
Revo Uninstaller [free tool for completely uninstalling programs installed on Windows]
CCleaner [free tool for finding and cleaning garbage files accumulated on Windows]
Defraggler [free defragmenter for Windows]
Eraser [free secure deletion tool for Windows]
Folder Size [free tool for displaying the folder size of a folder in Windows Explorer]
Bulk Rename Utility [free file renaming tool for Windows]
SyncBack [free synchronization and backup tool for Windows]
Time Zone Editor [free tool for editind Windows date/time settings]
InTime [free tool for synchronizing Windows system clock]
Keyboard Layout Creator [free tool for creating and modifying Windows keyboard layout]
Fonts
Doulos SIL [free TrueType Latin and Cyrillic serif font that includes all the characters (letters and diacritics) of all the Unicode Latin and Cyrillic ranges]
Ezra SIL [free OpenType Hebrew serif fonts that include all the characters (letters, vowel signs and cantillation marks) of the Unicode Hebrew range]
Security
Iron Key [free tool for Windows for encrypting files as self-extracting executables]
ClamWin [open source antivirus tool for Windows]
Mozilla
Firefox
Thunderbird
Internet
FileZilla [open source crossplatform FTP client]
PuTTY [free Telnet and SSH client for Windows]
HTTrack [open source crossplatform offline browser]
DeadLink [free tool for Windows for validating browser bookmarks]
Skype [crossplatform VoIP software]
Text
XML
Oxygen XML Editor [crossplatform XML editor]
Aptana [open source crossplatform XHTML/CSS/JavaScript editor]
XStandard [XHTML/CSS editor for Windows]
CSE HTML Validator [HTML/XHTML/CSS validator for Windows]
XPath Explorer [open source tool for interactively experimenting with XPath]
eXist [open source crossplatform native XML database management system]
Office
OpenOffice.org [open source crossplatform office suite with OpenDocument as its default file format; PDF converter included]
PDF
Linguistics
Hebrew and Jewish
Kaluach [free Hebrew (Jewish) calendar for Windows]