Currency Conversion - Convert between currencies using up to date exchange rates.
Scientific Calculator - perform calculations in your web browser.
Triangle Calculator - calculate the angles or sides of any triangle.
Contact Form - Web form that can be placed on a site to send email while hiding addresses from spammers.
Tic-Tac-Toe - Play the classic X and O strategy game against your computer or a friend.
Also: Tic-Tac-Toe strategy guide.
TI Calculator Programs - A collection of programs for the TI-82 and TI-83 graphics calculators.
Sudoku - Fill in the numbers game with several levels of difficulty.
Also: QQWing - Sudoku puzzle generating and solving software.
Java Utilities - libraries for common programming tasks such as CSV files and Base64 encoding.
SwayWhat - Create charts and graphs that can be shared on the web.
RSS Reader - A web based RSS reader written in Perl.
Random Password Creator - A website that shows you secure random passwords.
Mp3Tagger - A utility to sort, organize, and neaten artists names, lyrics, titles, and other information that is stored in an MP3 file.
ShoutGrab - Software to save Internet radio to your computer as an MP3.
Ladder - A classic Donkey Kong style platform arcade game. Despite having ASCII character graphics, it can provide weeks of entertainment.
Syntax Highlighting - Add color to a programmer's text editor or to convert Java, C/C++, HTML, or other source files into colored HTML.
Tree Guide - Tree identification key for Boy Scout Camp Conestoga in Somerset, PA.
Tulip Chain - A browser and link checker for the open directory project.
Better Templates for Everyone - A template language and template engine implemented in Java that can generate static content or dynamically compile pages with Java Servlets.
Attesoro - Translation editor for Java programs.
Bookmarklets - Software for controlling your web browser including cache, cookies, forms, and passwords.