[vijayr]

Are there collaborative translation services for open source apps and products? One could of course use google translate, but it would be nice if the translation is done by humans who actually use the product/service they are translating.

[Changaco]

Liberapay uses Weblate: https://hosted.weblate.org/projects/liberapay/core/

Gratipay uses Transifex: https://www.transifex.com/gratipay/gratipay/

[ygjb]

In addition to the others listed, there is also https://crowdin.com