JQuery plugin that allows creation of html client-side using templates. Integration with jquery makes the process simple and compatible with events so that DOM manipulation stays consistent.
See also interaction.js at http://github.com/raid-ox/interaction.js/wikis. This extends some easy interactions to chain such as drag and drop and sorting.
Also usage tutorial at: http://zparse.net.tc/
Unverse is a lightweight - absolutely tiny - collection of terse cross-browser javascript functions that perform common tasks, including a lightbox, ajax calls, animation and drag and drop. It implements DOMready.