Wult.io - Accessible self serve data governance
Twine - Twine is an open-source tool for telling interactive, nonlinear stories.
Getodo - colorful lightweight multi-level to-do list on Android, iOS, web.
Ink by Inkle - ink is a popular open source scripting language for branching stories, designed for writers
Team-One - Team-One is more than messaging; it’s teamwork made simple.
Quest - Quest lets you create sophisticated text-based games, without having to program.