- A library for integrating with Braintree.
- A suite of tools for integrating Braintree in the browser
- A library for validating credit card fields
- A library for determining credit card type
- Hijack and submit forms
- Framebus allows you to easily send messages across frames (and iframes) with a simple bus.
- Man-in-the-middle proxy for HTTPS with SSL verification and connection pooling/keep-alive.