mozilla/pontoon

Mozilla's Localization Platform

Python

1,674

6,259 commits

updated Oct 12, 2026

See the code

README

Pontoon — Mozilla's Localization Platform

Pontoon is a translation management system used and developed by the Mozilla localization community. It specializes in open source localization that is driven by the community and uses version control systems for storing translations.

📚 Documentation

Installing Pontoon

If you are looking to host your own instance of Pontoon, follow our Deployment Documentation. It describes how Mozilla deploys Pontoon — as a Docker image running on Google Cloud Platform — so you may need to adapt it for your own platform.

If you only want to deploy a local instance of Pontoon, for development or testing for example, see our Developer Setup. Please note that the development setup is not suitable for production use.

Contributing to Pontoon

Do you want to help us make Pontoon better? We are very glad!

To help you get started with contributing, we wrote The Guide to your First Contribution to Pontoon. It contains all the information you need to know to install Pontoon, populate its database, run tests, and send your contribution.

If you want to go further, you can:

License

This software is licensed under the New BSD License. For more information, read the LICENSE.

Screenshots

Teams dashboard

Translation app

design
django
javascript
localization
mozilla
pontoon
translation

mozilla/pontoon

Mozilla's Localization Platform

Python

1,674

6,259 commits

updated Oct 12, 2026

See the code

README

Pontoon — Mozilla's Localization Platform

Pontoon is a translation management system used and developed by the Mozilla localization community. It specializes in open source localization that is driven by the community and uses version control systems for storing translations.

📚 Documentation

Installing Pontoon

If you are looking to host your own instance of Pontoon, follow our Deployment Documentation. It describes how Mozilla deploys Pontoon — as a Docker image running on Google Cloud Platform — so you may need to adapt it for your own platform.

If you only want to deploy a local instance of Pontoon, for development or testing for example, see our Developer Setup. Please note that the development setup is not suitable for production use.

Contributing to Pontoon

Do you want to help us make Pontoon better? We are very glad!

To help you get started with contributing, we wrote The Guide to your First Contribution to Pontoon. It contains all the information you need to know to install Pontoon, populate its database, run tests, and send your contribution.

If you want to go further, you can:

License

This software is licensed under the New BSD License. For more information, read the LICENSE.

Screenshots

Teams dashboard

Translation app

design
django
javascript
localization
mozilla
pontoon
translation

Project health

Overall

7.7/10

Maintained

10/10

Code review

9/10
OpenSSF Scorecard

Significant stargazers

(top 24 of 31)

Yaron Shahrabani

103 followers · starred Oct 2022

Jannis Leidel

2,702 followers · starred Oct 2014

Balázs Meskó

22 followers · starred Aug 2020

Kevin Deldycke

2,207 followers · starred Dec 2016