15Five vs Open edX

15Five and Open edX (The community-driven, open-source project powering edX.org and thousands of other online education sites around the world.) both appear on the Smoower Developer Ecosystem Index.

Open edX (rank #372) holds a modest lead over 15Five (rank #693) on the overall Smoower ecosystem score (42 vs 31). The gap of 11 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Open edX is clearly ahead of 15Five. On education (docs, guides and learning material for developers), 15Five is slightly ahead of Open edX. On community (issue response, PR reviews and discussion health), Open edX is ahead of 15Five. On reach (how visible the ecosystem is beyond its own repos), Open edX is slightly ahead of 15Five. On momentum (release cadence and how fast the ecosystem moves), Open edX is clearly ahead of 15Five.

15Five carries 141 GitHub stars across 29 public repos, with 2 repositories active in the last 90 days and 5 external contributors on record. Open edX shows 10,654 stars across 186 public repos, 100 active in the last 90 days and 91 external contributors. The star gap on its own does not decide the comparison, but Open edX's footprint is roughly 75.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

15Five is the stronger read for anyone weighting education. Open edX looks better where momentum 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.