Fastmail vs VTEX

Fastmail (Open-source software developed at Fastmail.) and VTEX (The Enterprise Digital Commerce Platform ⚠️ To invite someone to this Github Org. Follow: https://vai.vtex.com/access-request) both appear on the Smoower Developer Ecosystem Index.

VTEX (rank #152) holds a modest lead over Fastmail (rank #430) on the overall Smoower ecosystem score (52 vs 40). The gap of 12 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), VTEX is clearly ahead of Fastmail. On education (docs, guides and learning material for developers), VTEX is ahead of Fastmail. On community (issue response, PR reviews and discussion health), VTEX is slightly ahead of Fastmail. On reach (how visible the ecosystem is beyond its own repos), Fastmail is clearly ahead of VTEX. On momentum (release cadence and how fast the ecosystem moves), VTEX 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. VTEX shows 1,617 stars across 266 public repos, 47 active in the last 90 days and 51 external contributors. The star gap on its own does not decide the comparison, but Fastmail's footprint is roughly 3.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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