Twine - Twine is an open-source tool for telling interactive, nonlinear stories.

Coworker Coffee - Coffee with a different coworker each week

RenPy - Ren'Py is a free and cross-platform visual novel engine that helps you use words, pictures, and...

Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.

Quest - Quest lets you create sophisticated text-based games, without having to program.

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…