Brezhoneg

Brezhoneg (Breton) – The Language of Breizh (Brittany)

There are some translations of common internet words at http://www.breizh.net/saozneg/mahtmls.asp

Learn Breton with http://www.kervarker.org/en/courseintro_01_noid.html

Gnome-BR Project: http://zeus.pst.biognosis.org.uk/~spectre/gnome-br/