100 words for the Internet - An English-Breton-French lexicon of Net terms by TermBret Computer Commission.
Breizh.Net - "A non-profit association whose objective is the promotion of Brittany and the Breton language on the Internet." An English-Breton-French lexicon of Net terms, some software, links, etc.
Breton for travelers - The English-Breton entry page of Travlang.
Brittany - A presentation of the newsletter published by the Canadian Branch of International Committee for the Defense of the Breton Language.
Bro Nevez - "New Country". (Contents of) the offline newsletter published by the U.S. Branch of the International Committee for the Defense of the Breton Language (most articles in English).
Gildas Perrot's Breton-French-English online dictionary - About 460 entries, available for search and download. Interface in three languages.
Herve ha Nora - Pierrick Brihaye's Breton Lessons for Beginners. Designed for French speakers.
ICDBL - International Committee for the Defense of the Breton Language.
Kervarker - On-line lessons plus contacts for off-line teaching services; loads of external data, a grammatical sketch, links, and more... In five languages, including Breton.
Petra-nevez - A mailing list in Breton.
TES - A non-profit multimedia center, also aspiring to become a documentation center, which aims "to contribute to the development of teaching materials in the Breton language for both primary and secondary schools". Offers (mostly free) books, audio and audio-visual materials (on tapes and CDs), etc. Under development are a vocal dictionary, a prosody corrector, and a computer-aided dictation program.
The Alternative Breton Dictionary - Breton profanity and slang. Part of The Alternative Dictionaries collection.
The Breton language FAQ - On soc.culture.breton. Among other things, some info on where Breton can be learned, an explanation about the three spelling systems used for the language, and a list of radio and TV broadcasts in Breton.