Inform 7 vs Twine

Inform 7 is a programming language for making interactive fiction with natural-language syntax. Its stated uses include literary writing, games-industry prototyping, and teaching at school or university. The compiler turns natural-language source text into Inter code or Inform 6 source code, and can also generate C code for use within a larger program; Unity is given as an example framework. Authors can add supplementary source-text extensions, with optional extensions included in the standard installation. A public library offers user-contributed extensions under a Creative Commons Attribution licence. Documentation consists of two connected books, Writing with Inform and The Inform Recipe Book, containing nearly 500 examples. Inform was open-sourced in April 2022; modern releases include source code and ready-compiled apps. Apps are linked for macOS, Windows, and Linux, and the project page also states that Android apps are available. The software is free, listed at free. Modern app versions support language versions 9.1, 9.2, and 9.3 for individual projects, but no earlier versions.

Twine is a free, open-source tool for creating interactive, nonlinear stories. You can start without programming, then add variables, conditional logic, images, CSS, and JavaScript. The text-focused editor also supports sound and video. Built-in story formats—Chapbook, Harlowe, Snowman, and SugarCube—change the available features and coding approach. Twine publishes projects directly as HTML files for web hosting or private sharing, and readers open those stories in a browser without installing software. It runs in a browser and has desktop packages for Windows, macOS, and Linux. The Cookbook includes guidance for publishing to Borogove.io and Itch.io and adding work to IFDB. Twine provides an editor reference, documentation, tips, and examples, with community help through the Interactive Fiction Community Forum and Twine Discord. Stories made with Twine may be used for any purpose, including commercial work. The reference notes that heavy multimedia can feel awkward and multiplayer requires substantial programming knowledge.