It's called collaborative translation. To make it simple, people help each other translate interesting foreign language texts into their native language. It's mostly blog posts, magazine articles, short stories and another materials licensed for free redistribution.
Localize is a very convenient service that provides SDK and online update for iOS and Android apps translation. You can manage ...
Amara (formerly Universal Subtitles or unisubs) gives individuals, communities, and larger organizations the power to overcome ...
In contrast to http://translated.by/ it is more convenient for translations by smaller chunks. In contrast to http://www.addi ...
dotSUB is a browser based self contained system for creating and viewing subtitles for videos in multiple languages across all ...
Overstream allows you to "overstream" videos from popular videosites and add supplementary subtitles, commentary, and captions ...