Fastmail vs Swimlane

Fastmail (Open-source software developed at Fastmail.) and Swimlane (Swimlane is a Security Automation and Orchestration platform) both appear on the Smoower Developer Ecosystem Index.

Swimlane (rank #141) holds a modest lead over Fastmail (rank #430) on the overall Smoower ecosystem score (53 vs 40). The gap of 13 points reflects composite signals across code, docs, community and reach.

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

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. Swimlane shows 14,614 stars across 128 public repos, 10 active in the last 90 days and 11 external contributors.

Fastmail is the stronger read for anyone weighting reach. Swimlane looks better where code quality 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.