Traduwiki
Traduwiki is a wiki that intends to be a translation tool used and powered by humans. It was built on the assumption that anybody (even with some basic knowledge in a foreign language) can be a translator. Texts are broken into smaller chunks. Users read and pick the text portion they like to translate. By summing everyone�s effort, texts can be rapidly translated and have a better chance to reach a broaden audience.
Each text is broken down into smaller chunks. To translate a portion of text, just click on the "translation icon" appearing close to the original text in the left column. Traduwiki has deliberately limited the size of text chunks to two phrases, because it's always easier to translate a short text than a lengthy text, and because moderately fluent users will also be able to contribute. A section that has been already translated could be rewritten, and you're welcomed to jump in if you spot a mistyped word or mistranslated term.
Link: Traduwiki