Description from the NPM page:
ifvms.js is BSD licenced, but please help the community by sharing any changes you make with us.
- ifvms at the NPM Registry.
- ifvms.js / Commits at GitHub. View its update history.
- ifvms.js is an Open Source project at Ohloh.
- ifvms.js directory at vorple-if.com.
- Dannii's Interactive Fiction site.