Lunyr - A decentralized crowdsourced encyclopedia.
Crowdin - Localize your product in a seamless way
Tealfeed - A knowledge sharing platform to empower creators
POEditor - The translation and localization management platform that's easy to use *and* affordable!
Noat Cards - A knowledge learning and sharing platform
Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.