Fastmail vs Plausible Analytics

Fastmail (Open-source software developed at Fastmail.) and Plausible Analytics (Simple, open source, lightweight (< 1 KB) and privacy-friendly alternative to Google Analytics.) both appear on the Smoower Developer Ecosystem Index.

Plausible Analytics (rank #338) holds a narrow lead over Fastmail (rank #430) on the overall Smoower ecosystem score (43 vs 40). The gap of 3 points reflects composite signals across code, docs, community and reach.

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

Fastmail carries 6,316 GitHub stars across 38 public repos, with 12 repositories active in the last 90 days and 2 external contributors on record. Plausible Analytics shows 31,145 stars across 21 public repos, 7 active in the last 90 days and 23 external contributors. The star gap on its own does not decide the comparison, but Plausible Analytics's footprint is roughly 4.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Fastmail is the stronger read for anyone weighting reach. Plausible Analytics looks better where community 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.