Parchment is the Interactive Fiction player for the web. To play a story with Parchment go to https://iplayif.com!
Parchment is MIT licensed, and includes the following upstream projects:
Parchment for Inform 7
Inform 7 includes Parchment, allowing you to produce personal websites for your stories. If you want to update the version of Parchment used by Inform 7, grab parchment-for-inform7.zip and unzip it into the Templates subfolder of your project's Materials folder.