L10n GitHub Repositories (2026) · Open Source Tools

Web based localization tool with tight version control integration.

Full-stack localization for every framework

Internationalization library built for SvelteKit.

A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data

Provides access to the localization data of the ICU library

The official repository for Babel, the Python Internationalization Library

:earth_americas: a set of locales generated from the CLDR Project which can be used independently or within an i18n package; these were built for use with, but not exclusive to https://github.com/go-playground/universal-translator

:earth_africa: :earth_americas: :earth_asia: GlotPress is a WordPress plugin to let you set up your own collaborative, web-based software translation tool.

An automation platform that enables continuous localization.

Per-component Internationalisation solution for JS application. Type-Safe. Translate with AI. Edit Visually.

Useful localization tools with Python API for building localization & translation systems

SF Symbols for Texts: 2000+ built-in translations in 40 languages + semantic localization key macro for Swift devs

Aplus Framework Language Library