Pootle is an online translation and localization tool. It works to lower the barrier of entry, providing tools to enable teams to work towards higher quality while welcoming newcomers.
Pootle is a Server
Pootle is written in Python using the Django framework and therefore can be installed on any web server that supports serving WSGI applications.
A number of translation projects for a number of languages can be hosted on Pootle. Teams can manage their files, permissions, projects, and translate on-line. Files can be downloaded for offline translation.
pip install --process-dependency-links --pre Pootle
Don't forget to read the installation guide for important details.
Pootle is released under the General Public License, version 3 or later. See the LICENSE file for details.