Fastmail vs SAP

Fastmail (Open-source software developed at Fastmail.) and SAP (SAP SE, a global software company, is one of the largest vendors of ERP and other enterprise applications.) both appear on the Smoower Developer Ecosystem Index.

SAP (rank #122) holds a modest lead over Fastmail (rank #430) on the overall Smoower ecosystem score (54 vs 40). The gap of 14 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), SAP is clearly ahead of Fastmail. On education (docs, guides and learning material for developers), Fastmail is slightly ahead of SAP. On community (issue response, PR reviews and discussion health), SAP is clearly ahead of Fastmail. On reach (how visible the ecosystem is beyond its own repos), Fastmail is clearly ahead of SAP. On momentum (release cadence and how fast the ecosystem moves), SAP is 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. SAP shows 12,850 stars across 309 public repos, 96 active in the last 90 days and 60 external contributors.

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