Undum
Undum is a game framework for building a sophisticated form of hypertext interactive fiction.
16 Alternatives To Undum
ADLENGINE
Create text adventures, muds and text-powered RPGs.
ADRIFT
Create your own Interactive Fiction with this free, easy to use application for Windows.
Amazon Storywriter
Write your screenplay and focus on the story with features like auto-formatting, offline writing…
Celtx
Celtx is a scriptwriting software platform with applications in a wide range of mediums but that specializes in helping screenwriters.
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
Communifire
Enterprise Social Collaboration Software
Dedalus
Dedalus is an authoring system for generating Choose Your Own Adventure (CYOA) narrative.
Inform
Description The market is unpredictable and keeps on changing over time.
Quest
Quest lets you create sophisticated text-based games, without having to program.
RenPy
Ren’Py is a free and cross-platform visual novel engine that helps you use words, pictures, and…
True Novelist
Writing a novel is a large undertaking.
Twine
Twine is an open-source tool for telling interactive, nonlinear stories.
Writer’s Cafè
Write a novel or screenplay with Writer’s Cafe: a powerful but fun writer’s environment that includes the StoryLines structuring tool, a notebook, journal, writing quotations, scrapbook organiser, a 60-page e-book and more.
ultra_outliner
The card-based outlining software for screenwriters, novelists and all story writers.