Ecmascript

Tipue is an open source JavaScript site search engine.

More Info

Developer: Tri-State Consultants
License: GNU General Public License (GPL)
Operating System: All

The Any+Time JavaScript Library includes an easy-to-use, easy-to-customize calendar widget (date and/or time picker) and a powerful Date/String parse/format utility.

More Info

Developer: Andrew M. Andrews III
License: Freeware
Operating System: Linux, Unix, Windows

Javascript Assertion Unit Framework is multi-platform compatible.

More Info

Developer: http://jsassertunit.sour...
License: Freeware
Operating System: All

Navioo.

More Info

Developer: navioo.com
License: Freeware
Operating System: All