ifSpace is described as 'An interactive Fiction Space Engine and application for creating and playing Interactive Fiction games (e.g.: Colossal Cave, Zork, Choose your path books) with no coding required' and is a game development tool in the games category. There are more than 25 games similar to ifSpace for a variety of platforms, including Windows, Linux, Web-based, Self-Hosted and Mac apps. The best ifSpace alternative is Twine, which is both free and Open Source. Other ifSpace like games are IFDB.org, Inky by Inkle, Ink by Inkle and QuestJS.