Fastmail vs Mixpanel, Inc

Fastmail (Open-source software developed at Fastmail.) and Mixpanel, Inc (Powerful, self-serve product analytics to help you convert, engage, and retain more users.) both appear on the Smoower Developer Ecosystem Index.

Mixpanel, Inc (rank #82) holds a modest lead over Fastmail (rank #430) on the overall Smoower ecosystem score (57 vs 40). The gap of 17 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Mixpanel, Inc is clearly ahead of Fastmail. On education (docs, guides and learning material for developers), Mixpanel, Inc is slightly ahead of Fastmail. On community (issue response, PR reviews and discussion health), Mixpanel, Inc is ahead of Fastmail. On reach (how visible the ecosystem is beyond its own repos), Fastmail is clearly ahead of Mixpanel, Inc. On momentum (release cadence and how fast the ecosystem moves), Mixpanel, Inc is slightly 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. Mixpanel, Inc shows 5,611 stars across 84 public repos, 51 active in the last 90 days and 21 external contributors.

Fastmail is the stronger read for anyone weighting reach. Mixpanel, Inc 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.