Twine - Twine is an open-source tool for telling interactive, nonlinear stories.
Marlee - Bring out the best in everyone.
Ink by Inkle - ink is a popular open source scripting language for branching stories, designed for writers
Logtime - Diary, tasks and goals. All-in-one productivity solution.
Quest - Quest lets you create sophisticated text-based games, without having to program.
Xournal++ - Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input fr...