Fillout vs Slab

Fillout and Slab (Making the workplace a source of learning and purpose through knowledge-sharing. We're hiring!) both appear on the Smoower Developer Ecosystem Index.

Slab (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), Slab is clearly ahead of Fillout. On community (issue response, PR reviews and discussion health), Slab is ahead of Fillout. On reach (how visible the ecosystem is beyond its own repos), Fillout is clearly ahead of Slab. On momentum (release cadence and how fast the ecosystem moves), Fillout is ahead of Slab.

Fillout carries 2 GitHub stars across 9 public repos, with 3 repositories active in the last 90 days and 3 external contributors on record. Slab shows 49,433 stars across 28 public repos, 0 active in the last 90 days and 8 external contributors. The star gap on its own does not decide the comparison, but Slab's footprint is roughly 24716.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Fillout is the stronger read for anyone weighting reach. Slab 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.