edX vs Expel, Inc.

edX (Online learning at https://edx.org, powered by the Open edX platform https://openedx.org) and Expel, Inc. both appear on the Smoower Developer Ecosystem Index.

edX (rank #338) holds a narrow lead over Expel, Inc. (rank #430) on the overall Smoower ecosystem score (43 vs 40). The gap of 3 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), edX is ahead of Expel, Inc.. On education (docs, guides and learning material for developers), Expel, Inc. is ahead of edX. On community (issue response, PR reviews and discussion health), Expel, Inc. is slightly ahead of edX. On reach (how visible the ecosystem is beyond its own repos), edX is ahead of Expel, Inc.. On momentum (release cadence and how fast the ecosystem moves), edX is slightly ahead of Expel, Inc..

edX carries 392 GitHub stars across 250 public repos, with 52 repositories active in the last 90 days and 22 external contributors on record. Expel, Inc. shows 73 stars across 28 public repos, 3 active in the last 90 days and 2 external contributors. The star gap on its own does not decide the comparison, but edX's footprint is roughly 5.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

edX is the stronger read for anyone weighting code quality. Expel, Inc. looks better where education is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.