Open edX vs PostHog

Open edX (The community-driven, open-source project powering edX.org and thousands of other online education sites around the world.) and PostHog (The single platform to analyze, test, observe, and deploy new features) both appear on the Smoower Developer Ecosystem Index.

PostHog (rank #31) holds a meaningful lead over Open edX (rank #372) on the overall Smoower ecosystem score (63 vs 42). The gap of 21 points reflects composite signals across code, docs, community and reach.

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

Open edX carries 10,654 GitHub stars across 186 public repos, with 100 repositories active in the last 90 days and 91 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 3.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Open edX is worth a look for teams already invested in its stack. PostHog looks better where reach 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.