Docusign Inc. vs Fastmail

Docusign Inc. (Join the Docusign Developer Community - https://community.docusign.com/developer-59) and Fastmail (Open-source software developed at Fastmail.) both appear on the Smoower Developer Ecosystem Index.

Docusign Inc. and Fastmail sit at essentially the same overall ecosystem score (40), which is unusual and worth reading through the pillars below.

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

Docusign Inc. carries 1,533 GitHub stars across 182 public repos, with 42 repositories active in the last 90 days and 9 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 4.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Docusign Inc. 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.