- Taking Note - A blog on the nature of note-taking and some of its practical as well as theoretical implications by Manfred Kuehn
- ConnectedText. Tinderbox for Windows? by Steve Zeoli
- ConnectedText Script Repository by Cal Jacobson
- www.coulthard.com - Ramblings about productivity, education, social software, and PKM.
- www.mind-mapping.org - A respected source of information on mindmapping and information management software
- yuml.me - Create UML diagrams online in seconds and use them in your topics.
- The Wiki Way - The seminal book about Wiki, written by its creator.
- Wiki: Web Collaboration
- Getting Things Done