Adyen Examples vs Fastmail

Adyen Examples (Official examples for Adyen products and services) and Fastmail (Open-source software developed at Fastmail.) both appear on the Smoower Developer Ecosystem Index.

Adyen Examples (rank #401) holds a narrow lead over Fastmail (rank #430) on the overall Smoower ecosystem score (41 vs 40). The gap of 1 points reflects composite signals across code, docs, community and reach.

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

Adyen Examples carries 669 GitHub stars across 34 public repos, with 14 repositories active in the last 90 days and 2 external contributors on record. Fastmail shows 6,316 stars across 38 public repos, 12 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 9.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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