XBlock

XBlock is the SDK for the edX MOOC platform, written in Python, and announced and released publicly on March 14, 2013.^[2][3][4] It aims to enable the global software development community to participate in the construction of the edX educational platform and the next generation of online and blended courses.

Initial release	March 14, 2013 (2013-03-14)
Stable release	5.2.0[1]  / 10 April 2025; 38 days ago (10 April 2025)
Repository	github.com/edX/XBlock
Written in	Python
Available in	English
Type	Course management system
License	Apache 2.0
Website	edx.readthedocs.io/projects/xblock-tutorial/en/latest/overview/introduction.html