Mailchimp vs PostHog

Mailchimp (Mailchimp is an all-in-one marketing platform that helps you manage and talk to your clients, customers, and other interested parties.) 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 Mailchimp (rank #317) on the overall Smoower ecosystem score (63 vs 44). The gap of 19 points reflects composite signals across code, docs, community and reach.

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

Mailchimp carries 8,980 GitHub stars across 28 public repos, with 6 repositories active in the last 90 days and 6 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 4.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Mailchimp 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.