raylib - Cross-platform, open-source game development library in C.
POEditor - The translation and localization management platform that's easy to use *and* affordable!
SFML - SFML provides a simple interface to the various components of your PC, to ease the development of games and multimedia applications. It is composed of five modules: system, window, graphics, audio and network.
Crowdin - Localize your product in a seamless way
SDL - Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level...
Weblate - Weblate is a free web-based translation management system.