PostHog vs Zapier

PostHog (The single platform to analyze, test, observe, and deploy new features) and Zapier both appear on the Smoower Developer Ecosystem Index.

Zapier (rank #27) holds a narrow lead over PostHog (rank #31) on the overall Smoower ecosystem score (64 vs 63). The gap of 1 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 Zapier. On education (docs, guides and learning material for developers), Zapier is ahead of PostHog. On community (issue response, PR reviews and discussion health), PostHog is ahead of Zapier. On reach (how visible the ecosystem is beyond its own repos), Zapier is clearly ahead of PostHog. On momentum (release cadence and how fast the ecosystem moves), PostHog is clearly ahead of Zapier.

PostHog carries 40,819 GitHub stars across 357 public repos, with 87 repositories active in the last 90 days and 210 external contributors on record. Zapier shows 6,774 stars across 296 public repos, 13 active in the last 90 days and 22 external contributors. The star gap on its own does not decide the comparison, but PostHog's footprint is roughly 6.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

PostHog is the stronger read for anyone weighting momentum. Zapier 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.