Bitwarden vs Fastmail

Bitwarden (Open source security solutions for individuals, teams, and business organizations. Explore Password Manager, Secrets Manager, and passkey innovations.) and Fastmail (Open-source software developed at Fastmail.) both appear on the Smoower Developer Ecosystem Index.

Bitwarden (rank #55) holds a modest lead over Fastmail (rank #430) on the overall Smoower ecosystem score (60 vs 40). The gap of 20 points reflects composite signals across code, docs, community and reach.

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

Bitwarden carries 54,524 GitHub stars across 68 public repos, with 51 repositories active in the last 90 days and 119 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 Bitwarden's footprint is roughly 8.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Bitwarden is the stronger read for anyone weighting code quality. Fastmail looks better where education 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.