Language learning
OLPC is working in many countries and languages. Language learning, particularly of major world languages, is a common need for early education. The XO holds the promise to make language learning accessible to many for the first time. See also Literacy.
DynEd
DynEd produces a number of popular language-learning courses, mainly for learning English, which run in Sugared Wine on the XO. See their article for contact information and details.
Avallain
For more basic skills training, including literacy and ESL, see the discussion at Avallain.
Colingo
Colingo, a web-based language learning nonprofit, is working to create free ESL videos and other materials for OLPC.
Friendly Language
Friendly Language is working on developing free language learning material in as many languages as possible for the XO, and is also working on tools for language learning, such as multilingual instant messaging.
Other language learning tools
The Blue Book of Grammar; online quizzes and guidebook (English).
www.livemocha.com LiveMocha is a free online language-learning program.