# Fluent [Fluent](http://projectfluent.org/) is a localization system developed by Mozilla, which aims to replace all existing localization models currently used at Mozilla. In case of Firefox it directly supersedes DTD and StringBundle systems, providing a large number of features and improvements over both of them, for developers and localizers. ```{toctree} :maxdepth: 2 tutorial review ``` Other resources: - [Fluent Syntax Guide](http://projectfluent.org/fluent/guide/) - [Fluent Wiki](https://github.com/projectfluent/fluent/wiki) - [Fluent.js Wiki](https://github.com/projectfluent/fluent.js/wiki) - [Fluent DOM L10n Tutorial](https://projectfluent.org/dom-l10n-documentation/)