Fastmail vs Sophos

Fastmail (Open-source software developed at Fastmail.) and Sophos both appear on the Smoower Developer Ecosystem Index.

Fastmail (rank #430) holds a narrow lead over Sophos (rank #510) on the overall Smoower ecosystem score (40 vs 37). 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), Fastmail is slightly ahead of Sophos. On education (docs, guides and learning material for developers), Sophos is slightly ahead of Fastmail. On reach (how visible the ecosystem is beyond its own repos), Fastmail is clearly ahead of Sophos. On momentum (release cadence and how fast the ecosystem moves), Fastmail is slightly ahead of Sophos.

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. Sophos shows 1,438 stars across 84 public repos, 7 active in the last 90 days and 2 external contributors. The star gap on its own does not decide the comparison, but Fastmail's footprint is roughly 4.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Fastmail is the stronger read for anyone weighting reach. Sophos looks better where education 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.