Fastmail vs Spreedly

Fastmail (Open-source software developed at Fastmail.) and Spreedly (Simple and secure PCI compliance and payment forwarding.) both appear on the Smoower Developer Ecosystem Index.

Fastmail (rank #430) holds a modest lead over Spreedly (rank #728) on the overall Smoower ecosystem score (40 vs 30). The gap of 10 points reflects composite signals across code, docs, community and reach.

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

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. Spreedly shows 418 stars across 67 public repos, 10 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 15.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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