Distant Reading & Text Analysis
The Versioning Machine (http://v-machine.org/) is a framework and an interface for displaying multiple versions of text encoded according to the Text Encoding Initiative (TEI) Guidelines
Voyant Tools (https://voyant-tools.org/) web-based reading and analysis environment for digital texts.
Twine (http://twinery.org/) an open-source tool for telling interactive, nonlinear stories. You don’t need to write any code to create a simple story with Twine, but you can extend your stories with variables, conditional logic, images, CSS, and JavaScript when you’re ready.