Wassup let's you know what's up with your Java environment.
Java classes to encode/decode Base64 and Base64u
Displays all the TimeZone on your machine supported by Java
Make sure double and single quote entities are balanced in HTML.
Calculates Canadian sales taxes: GST HST and PST today or in the past.
Used to test your computer's Unicode support
Applet to list all supported encodings (character sets) supported by Java.
Brokenlinks is a tool to help you find and track broken links on your website.