The best open source alternative to Transifex is Weblate. If that doesn't suit you, our users have ranked more than 50 alternatives to Transifex and ten of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Transifex are Tolgee, Zanata, Pootle and Mozilla Pontoon.
Weblate is a web based translation tool with tight VCS integration. It features simple and clean user interface, propagation of translations across components, consistency checks and automatic linking to source files.
Czechia
EU
You no longer have to worry about choosing the right i18n library, editor, or platform. Tolgee is the only tool you need to translate your web-based project to any language you wish.
CzechiaEU
Zanata is a web-based system for translators, content creators and developers to manage localisation projects.
Australia
Online translation platform. Pootle allows your professional or community translators to easily complete localization tasks. For you it becomes easier to manage and monitor the distributed work.
South Africa
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.
United States
oTranCe offers a ready to go and entirely web based translation platform to your project and your translators
Open-source localization tool for GitHub or GitLab repos in the browser. Malmoi finds your locale files, your team edits every language, and changes go back as one pull request.
Cultural Translation Tool (CTT) was created to give better translations and to help businesses expand to other languages. It provides back translations, the translation back into the original language.
Translate terms with Google Spreadsheets, pull strings with a command line tool.
