Twine - Twine is an open-source tool for telling interactive, nonlinear stories.

Frames for Sketch - Create awesome websites & apps using powerful design system

Ink by Inkle - ink is a popular open source scripting language for branching stories, designed for writers

Supernova Studio - The world’s first true design-to-code platform 🚀

Quest - Quest lets you create sophisticated text-based games, without having to program.

Sketch Repo - Collection of resources for anyone who uses Sketch