MailerSend vs PostHog

MailerSend (Email service that delivers) 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 meaningful lead over MailerSend (rank #401) on the overall Smoower ecosystem score (63 vs 41). The gap of 22 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 MailerSend. On education (docs, guides and learning material for developers), MailerSend is clearly ahead of PostHog. On community (issue response, PR reviews and discussion health), PostHog is clearly ahead of MailerSend. On reach (how visible the ecosystem is beyond its own repos), PostHog is slightly ahead of MailerSend. On momentum (release cadence and how fast the ecosystem moves), PostHog is clearly ahead of MailerSend.

MailerSend carries 499 GitHub stars across 22 public repos, with 12 repositories active in the last 90 days and 7 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 81.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

MailerSend is the stronger read for anyone weighting education. 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.