From Fedora Project Wiki

We are currently using Weblate, read L10N/Translate_on_Weblate

Year Event Relevant Information
2019 Migration from Zanata to Weblate L10N Move to Weblate
2014 Migration from transifex.com to Zanata L10N Move To Zanata
2011 Migration from internal transifex to transifex.com Migration to Transifex.com