Fastmail vs Stripe Samples

Fastmail (Open-source software developed at Fastmail.) and Stripe Samples (Sample integrations built by Stripe.) both appear on the Smoower Developer Ecosystem Index.

Stripe Samples (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), Stripe Samples is clearly ahead of Fastmail. On education (docs, guides and learning material for developers), Stripe Samples is ahead of Fastmail. On community (issue response, PR reviews and discussion health), Stripe Samples is ahead of Fastmail. On reach (how visible the ecosystem is beyond its own repos), Fastmail is clearly ahead of Stripe Samples. On momentum (release cadence and how fast the ecosystem moves), Stripe Samples 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. Stripe Samples shows 4,227 stars across 30 public repos, 23 active in the last 90 days and 8 external contributors.

Fastmail is the stronger read for anyone weighting reach. Stripe Samples 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.