Developer ecosystem comparison
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Fastmail vs Keeper Security

Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.

Fastmail (Open-source software developed at Fastmail.) and Keeper Security (Creators of the leading privileged access management platform securing organizations against data breaches and cyber threats.) both appear on the Smoower Developer Ecosystem Index.

Keeper Security (rank #278) holds a narrow lead over Fastmail (rank #430) on the overall Smoower ecosystem score (46 vs 40). The gap of 6 points reflects composite signals across code, docs, community and reach.

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

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. Keeper Security shows 508 stars across 63 public repos, 26 active in the last 90 days and 32 external contributors. The star gap on its own does not decide the comparison, but Fastmail's footprint is roughly 12.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Fastmail is the stronger read for anyone weighting reach. Keeper Security 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.

Side-by-side metrics

MetricFastmailKeeper Security
Ranking
Overall rank#430#278
Pillars
Overall4046
Code3558
Education6675
Community3339
Reach7824
Momentum4436
Builder experience00
Signals
Stars6,316508
Forks571230
Public repos3863
Active repos (90d)1226
External contributors232
Avg polish3563
Avg AI-readiness1447

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