- IRC logs for #topicmaps@irc.freenode.net channel - Logs organised in daily pages, starting from September 2002.
- Monthly Archives for geolang-comment - Public Forum for OASIS Geography and Languages Published Subjects Technical Committee.
- Monthly Archives for tm-pubsubj-comment - Public Forum for OASIS Topic Maps Published Subjects Technical Committee.
- Monthly Archives for xmlvoc-comment - Public Forum for OASIS XML Vocabulary Published Subjects Technical Committee.
- OASIS topicmaps-comment - Archives of TopicMaps.Org mailing list, starting March 2000. Includes debates of XTM 1.0 Authoring Group.
- sc34wg3 - discussion of ISO/IEC 13250 Topic Maps - The purpose of this public forum is to facilitate technical work on ISO/IEC 13250.
- TMCL - WG - Public forum for discussion of future Topic Map Constraint Language.
- TMQL - WG - Open discussion group for the design and development of TMQL, the Topic Map Query Language.
- topicmapmail - A public forum for general discussion, started in June 2000. Archives provide thousands of messages.
