I really like http://www.devthought.com/projects/jquery/textboxlist/ for autocomplete, but I was wondering if there is an open source version.
I also really like http://code.drewwilson.com/entry/autosuggest-jquery-plugin.
Here's another question on Stackoverflow that is pretty useful Facebook style JQuery autocomplete plugin
Check this Rails example based on Tag-it! and autocomplete:
- Working example: http://tag-it-autocomplete.heroku.com/
- Source code: https://github.com/makaroni4/tag-it-autocomplete
I really Like this one: http://jcesar.artelogico.com/jquery-tagselector
Here's a modified version of the jquery ui demo I linked:
http://jsfiddle.net/6DwRQ/
It needs some css fixes and dynamically re-sizing of the input element as tags are added, but that's basically all there is to it.
Here's another good one:
http://webspirited.com/tagit/?page=tagit#demos