Developer ecosystem comparison
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Buffer vs Fillout

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

Buffer (Helping people build their business on social media since 2011) and Fillout both appear on the Smoower Developer Ecosystem Index.

Buffer (rank #455) holds a narrow lead over Fillout (rank #510) on the overall Smoower ecosystem score (39 vs 37). The gap of 2 points reflects composite signals across code, docs, community and reach.

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

Buffer carries 11,181 GitHub stars across 196 public repos, with 4 repositories active in the last 90 days and 0 external contributors on record. Fillout shows 2 stars across 9 public repos, 3 active in the last 90 days and 3 external contributors. The star gap on its own does not decide the comparison, but Buffer's footprint is roughly 5590.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Buffer is the stronger read for anyone weighting code quality. Fillout 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.

Side-by-side metrics

MetricBufferFillout
Ranking
Overall rank#455#510
Pillars
Overall3937
Code4334
Education6153
Community2227
Reach2050
Momentum815
Builder experience00
Signals
Stars11,1812
Forks1,9304
Public repos1969
Active repos (90d)43
External contributors03
Avg polish4934
Avg AI-readiness2421

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