Twine - Twine is an open-source tool for telling interactive, nonlinear stories.
Undum - Undum is a game framework for building a sophisticated form of hypertext interactive fiction.
Ink by Inkle - ink is a popular open source scripting language for branching stories, designed for writers
ChoiceScript - ChoiceScript is a simple programming language for writing multiple-choice games (MCGs) like Choice of the Dragon. Writing games with ChoiceScript is easy and fun, even for authors with no programm…
Chronicler - ChoiceScript Visual Code Editor
Yarn Spinner - Tool for creating interactive dialogue and games in Unity.