- Abora Hypermedia Project - Hypertext system supporting fine-grained links, transclusions and user link filtering. Features screen shots, technical reports and sub-projects.
- Assoziations-Blaster - Network that connects text through automatic, non-linear real-time linking. Features an FAQ, personal configuration and a discussion forum.
- Bill Kennelly's History of Hypertext - This site is about the people, systems and key events in the evolution of hypertext.
- Bootstrap Institute - The Institute's Mission is to cultivate a knowledge environment which includes a shared dynamic knowledge repository; to foster development of an open platform information system infrastructure, based on an Open Hyperdocument Systems (OHS) framework; and to share the A-B-C's of Bootstrapping and support co-evolution of human organizations and their tools
- PyWiki - A Python-based Wiki clone with a focus on Knowledge Management.
- The Big Picture - Visual Browsing in Web and non-Web Databases. Directory of projects, research, products, and services.
- Udanax - Enfiladic Hypertext. Offers open-source license, philosophy behind the systems, an FAQ and an e-mail discussion list.
- Virtual hierarchies and virtual networks: some lessons from hypermedia usability research applied to the World Wide Web - By P.A. Smith, I.A. Newman and L.M. Parks. Considers the usability of the World Wide Web in the light of a decade of research into the usability of hypertext and hypermedia systems.
