Developer ecosystem comparison
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Fillout vs Mattermost

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

Fillout and Mattermost (Mattermost is a secure collaboration platform for connecting your teams, tools and processes to accelerate mission-critical work.) both appear on the Smoower Developer Ecosystem Index.

Mattermost (rank #40) holds a meaningful lead over Fillout (rank #510) on the overall Smoower ecosystem score (62 vs 37). The gap of 25 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Mattermost is clearly ahead of Fillout. On education (docs, guides and learning material for developers), Mattermost is ahead of Fillout. On community (issue response, PR reviews and discussion health), Mattermost is ahead of Fillout. On reach (how visible the ecosystem is beyond its own repos), Mattermost is clearly ahead of Fillout. On momentum (release cadence and how fast the ecosystem moves), Mattermost is clearly 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. Mattermost shows 49,882 stars across 262 public repos, 58 active in the last 90 days and 105 external contributors. The star gap on its own does not decide the comparison, but Mattermost's footprint is roughly 24941.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Fillout is worth a look for teams already invested in its stack. Mattermost looks better where momentum 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

MetricFilloutMattermost
Ranking
Overall rank#510#40
Pillars
Overall3762
Code3478
Education5366
Community2747
Reach5079
Momentum1577
Builder experience00
Signals
Stars249,882
Forks417,658
Public repos9262
Active repos (90d)358
External contributors3105
Avg polish3488
Avg AI-readiness2146

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View Fillout developer profileView Mattermost developer profile