Open edX, the edX platform that powers http://www.edx.org

Automatically find diff lines that need test coverage.

Open Response Assessment Suite

Tools for repo maintenance, etc.

Workbench and example xblocks

a simple, but flexible, way for anyone to stand up an instance of the edX platform that is fully configured and ready-to-go

The edx robot.

XBlock courseware component architecture

API for creating submissions and scores

UI-level acceptance test framework

Secure code execution

server side of the comment service

The source to code.edx.org

Provide OAuth2 access to your app

XQueue defines an interface for the LMS to communicate with external grader services.

The code edX uses to generate certificates

EASE (Enhanced AI Scoring Engine) is a library that allows for machine learning based classification of textual content. This is useful for tasks such as scoring student essays.

Web interface for application deployments and cloud management in Amazon Web Services (AWS). Binary download: http://netflix.box.com/asgard Snapshot builds: https://netflixoss.ci.cloudbees.com/job/…

a system for tracking events

PyMongo - the Python driver for MongoDB

A wiki system with complex functionality for simple integration and a superb interface. Store your knowledge with style: Use django models.

a collection of miscellaneous tools for use with the edX platform

a demo course that can be imported into edX

Datadog API Python Client