The Localization Manager (l10nmgr) is a localization management extension for
 TYPO3 supporting a variety of online and offline translation workflows.

Development takes place in the following branches:

l10nmgr-all/
├── branches
    ├── 3-4 Supports TYPO3 4.5 LTS,
    |       maintained by Andreas Otto and Daniel Zielinski
    ├── 3-6 Supports TYPO3 6.2 LTS,
    |       maintained by Andreas Otto and Daniel Zielinski
    └── v4  Maintained by Daniel Poetzinger

The project page can be found at http://forge.typo3.org/projects/extension-l10nmgr/.