TiddlyWiki is a standalone wiki. It does not need a web server to activate the scripting language. It can reside on a flash drive, your local computer or even, daring I state, a real web server. The HTML file consists of HTML, CSS and AJAX Javascript for it’s magic. One needs to experience it to understand the power and simplicity of the concept. Truly amazing. It can be a blog, a wiki, a Getting Things Done “trusted system”.

Read more at http://www.tiddlywiki.com

View this presentation highlighting the features: