Not willing to cough up a couple hundred bucks for Rosetta Stone software? Check out italki Knowledge, a free online language-learning, open-textbook site designed for the Web 2.0 crowd.
Founded in 2006, italki is a social network based around 90 different language-learning communities. Starting this month, it is starting wikis for each language intended to serve as open-source textbooks.
For other open-source resources on learning foreign languages, check out Wikiversity’s foreign language learning page or Web German’s Foreign Languages page.—Catherine Rampell
