Twine - Twine is an open-source tool for telling interactive, nonlinear stories.
FlippingBook - FlippingBook changes the way you present your documents
RenPy - Ren'Py is a free and cross-platform visual novel engine that helps you use words, pictures, and...
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
Quest - Quest lets you create sophisticated text-based games, without having to program.
Joomag - Joomag is the all-in-one digital publishing platform empowering businesses large and small to create, distribute, track, and monetize their interactive content.