edX vs PostHog

edX (Online learning at https://edx.org, powered by the Open edX platform https://openedx.org) and PostHog (The single platform to analyze, test, observe, and deploy new features) both appear on the Smoower Developer Ecosystem Index.

PostHog (rank #30) holds a modest lead over edX (rank #338) on the overall Smoower ecosystem score (63 vs 43). The gap of 20 points reflects composite signals across code, docs, community and reach.

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

edX carries 392 GitHub stars across 250 public repos, with 52 repositories active in the last 90 days and 22 external contributors on record. PostHog shows 40,775 stars across 357 public repos, 87 active in the last 90 days and 212 external contributors. The star gap on its own does not decide the comparison, but PostHog's footprint is roughly 104.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

edX is the stronger read for anyone weighting reach. PostHog 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.