Developer ecosystem comparison
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Fillout vs Gusto

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

Fillout and Gusto both appear on the Smoower Developer Ecosystem Index.

Gusto (rank #338) holds a narrow lead over Fillout (rank #510) on the overall Smoower ecosystem score (43 vs 37). 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), Gusto is clearly ahead of Fillout. On education (docs, guides and learning material for developers), Gusto is ahead of Fillout. On community (issue response, PR reviews and discussion health), Gusto is slightly ahead of Fillout. On reach (how visible the ecosystem is beyond its own repos), Fillout is clearly ahead of Gusto. On momentum (release cadence and how fast the ecosystem moves), Gusto is ahead of Fillout.

Fillout carries 2 GitHub stars across 9 public repos, with 3 repositories active in the last 90 days and 3 external contributors on record. Gusto shows 781 stars across 148 public repos, 20 active in the last 90 days and 6 external contributors. The star gap on its own does not decide the comparison, but Gusto's footprint is roughly 390.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Fillout is the stronger read for anyone weighting reach. Gusto 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

MetricFilloutGusto
Ranking
Overall rank#510#338
Pillars
Overall3743
Code3460
Education5366
Community2735
Reach5019
Momentum1533
Builder experience00
Signals
Stars2781
Forks4217
Public repos9148
Active repos (90d)320
External contributors36
Avg polish3453
Avg AI-readiness2148

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