15Five vs Pirsch Analytics

15Five and Pirsch Analytics (Pirsch is a simple, privacy-friendly, open-source alternative to Google Analytics - lightweight, cookie-free and easily integrated into any website. By @emvi.) both appear on the Smoower Developer Ecosystem Index.

Pirsch Analytics (rank #625) holds a narrow lead over 15Five (rank #696) on the overall Smoower ecosystem score (33 vs 31). The gap of 2 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Pirsch Analytics is slightly ahead of 15Five. On education (docs, guides and learning material for developers), Pirsch Analytics is ahead of 15Five. On community (issue response, PR reviews and discussion health), Pirsch Analytics is slightly ahead of 15Five. On reach (how visible the ecosystem is beyond its own repos), Pirsch Analytics is clearly ahead of 15Five. On momentum (release cadence and how fast the ecosystem moves), 15Five is clearly ahead of Pirsch Analytics.

15Five carries 142 GitHub stars across 29 public repos, with 2 repositories active in the last 90 days and 4 external contributors on record. Pirsch Analytics shows 1,203 stars across 24 public repos, 5 active in the last 90 days and 1 external contributors. The star gap on its own does not decide the comparison, but Pirsch Analytics's footprint is roughly 8.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

15Five is the stronger read for anyone weighting momentum. Pirsch Analytics 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.