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cadr npm version license Travis AppVeyor Coverage Status

cadr is a Node.js library for caching snapshots of filesystem trees. It supports full data verification on input and output, and is pretty fast at handling a bunch of files at a time.


$ npm install --save cadr

Table of Contents



  • Fast
  • Corruption-safe and fault-tolerant
  • Pure JavaScript
  • Content-addressable
  • Disk-efficient


The cadr team enthusiastically welcomes contributions and project participation! There's a bunch of things you can do if you want to contribute! The Contributor Guide has all the information you need for everything from reporting bugs to contributing entire new features. Please don't hesitate to jump in if you'd like to, or even ask us questions if something isn't clear.

All participants and maintainers in this project are expected to follow Code of Conduct, and just generally be excellent to each other.

Please refer to the Changelog for project history details, too.

Happy hacking!



cadr is pronounced ['ka,duhr] or ['kei,duhr']. Never like "cadre".