I have been updating AJAX Tagger version 2 (AJAXTag) recently and I am starting to use it properly now for each post.
Some of the features:- Extensivly uses the Yahoo, Amazon, Flickr and Technorati API's all web 2.0 and the like
- It also finds related wikipedia articles and related articles that the user has on their own site.
- All AJAX Based
- Uses a special Request queue algorithm
- Generates an OPML output and HTML outptut.
- Generates a listing of amazon realted products.
- Internet Explorer Only at the moment, sorry.