Transifex - Transifex makes it easy to collect, translate and deliver digital content, web and mobile apps in multiple languages. Localization for agile teams.

My Personal Kanban - This is a one page HTML/JavaScript application for people who would like to use simple and basic...

POEditor - The translation and localization management platform that's easy to use *and* affordable!

TaskBoard - A Kanban-inspired app for keeping track of things that need to get done.

Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.

buckets.co - Feature rich kanban board collaboration platform.