Pascal Van Hecke – Daily Links

Collection of a few WordPress plugins and a theme "aimed at helping people running unconferences manage their event's content in a more organized manner."

Serena software uses Facebook as their intranet…

Same functionality as twimailer.com (which has been sold/seems to be abandoned meanwhile).
Spices up Twitter new follower notifications to make them more meaningful.
Not using it however until they have implemented Oauth or another way to authenticate without username+password!

The most comprehensive source for Tiddlywiki plugins I've seen so far.

Beginner's guide to Tiddlywiki (in a Tiddlywiki of course)

Integrates Postrank scores in Google Reader.
You can sort and filter based on Postrank.
(only useful if you have been neglecting a blog for a while since the Postrank only has value after some time)

Shows the Postrank score (for the current blogpost) and the most "interesting" other posts from the same source.
Makes Feed management easier (in fact it solves the probleme AideRSS has to sync the sybscriptions you have there with your actual reading list in your Feedreader).