Roll20 - Roll20 is a suite of easy-to-use digital tools that expand pen-and-paper gameplay.
Crowdin - Localize your product in a seamless way
Astral Tabletop - Create, host, and manage your tabletop role-playing games — online or in person
POEditor - The translation and localization management platform that's easy to use *and* affordable!
D&D Beyond - Official online toolset for Dungeons & Dragons tabletop gaming
Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.