Fastmail vs Frappe

Fastmail (Open-source software developed at Fastmail.) and Frappe (We build world class open-source software products.) both appear on the Smoower Developer Ecosystem Index.

Frappe (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), Frappe is clearly ahead of Fastmail. On education (docs, guides and learning material for developers), Frappe is ahead of Fastmail. On community (issue response, PR reviews and discussion health), Frappe is clearly ahead of Fastmail. On reach (how visible the ecosystem is beyond its own repos), Fastmail is clearly ahead of Frappe. On momentum (release cadence and how fast the ecosystem moves), Frappe 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. Frappe shows 107,553 stars across 207 public repos, 62 active in the last 90 days and 174 external contributors. The star gap on its own does not decide the comparison, but Frappe's footprint is roughly 17.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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