Affirm vs PostHog

Affirm 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 Affirm (rank #485) on the overall Smoower ecosystem score (63 vs 38). The gap of 25 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 Affirm. On education (docs, guides and learning material for developers), Affirm is ahead of PostHog. On community (issue response, PR reviews and discussion health), PostHog is ahead of Affirm. On reach (how visible the ecosystem is beyond its own repos), Affirm is slightly ahead of PostHog. On momentum (release cadence and how fast the ecosystem moves), PostHog is clearly ahead of Affirm.

Affirm carries 207 GitHub stars across 116 public repos, with 9 repositories active in the last 90 days and 4 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 197.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Affirm 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.