Spatterlight is described as 'Native Cocoa application plays most kinds of interactive fiction game files: AGT, Adrift, AdvSys, Alan, Glulx, Hugo, Level 9, Magnetic Scrolls, TADS (text-only), Quill, and Z-code (except v6)' and is an app. There are more than 10 alternatives to Spatterlight for a variety of platforms, including Windows, Linux, Mac, Web-based and Self-Hosted apps. The best Spatterlight alternative is Twine, which is both free and Open Source. Other great apps like Spatterlight are Inky by Inkle, Ink by Inkle, QuestJS and Inform.
Adliberum Engine is a multiplayer compatible role-playing text adventure engine. Complete with real-time world-building commands; craft text powered games and scenarios alone or with others. Complete with world editing commands; create worlds, games and puzzles that you can...
Inquisitor is an engine for browser and multiplatform Interactive Fiction works. It bares similarities to Twine while facilitating creation of worlds with locations and items.
TADS 3 is a robust, modern programming environment specially designed for creating Interactive Fiction.
