GameStringer

Desktop app that auto-detects a game's engine, extracts the text, translates it with local or cloud AI, and re-applies the patch. 20+ engines, 20+ AI providers, 11 UI languages. Free & source-available, single-player focused. Maintained by rouges78 on GitHub, where it has earned 98 stars from the community.

It's actively developed around ai, game-translation, godot, and is a solid reference for anyone building with these tools.