StarUML - StarUML
Crowdin - Localize your product in a seamless way
Visual Paradigm - Looking for an affordable software with Enterprise Architecture tool, PMBOK tool, UML tool, Agile tool, BPMN tool and UX tool? Read this page for details.
POEditor - The translation and localization management platform that's easy to use *and* affordable!
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.