Fastmail vs Zoom

Fastmail (Open-source software developed at Fastmail.) and Zoom (Power Up Your Apps with Video, Phone, and Chat) both appear on the Smoower Developer Ecosystem Index.

Zoom (rank #122) holds a modest lead over Fastmail (rank #430) on the overall Smoower ecosystem score (54 vs 40). The gap of 14 points reflects composite signals across code, docs, community and reach.

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

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. Zoom shows 3,380 stars across 159 public repos, 62 active in the last 90 days and 4 external contributors.

Fastmail is the stronger read for anyone weighting reach. Zoom 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.