Fillout vs Iterable

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

Iterable (rank #317) holds a narrow lead over Fillout (rank #510) on the overall Smoower ecosystem score (44 vs 37). The gap of 7 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Iterable is ahead of Fillout. On education (docs, guides and learning material for developers), Iterable is slightly ahead of Fillout. On community (issue response, PR reviews and discussion health), Iterable is slightly ahead of Fillout. On reach (how visible the ecosystem is beyond its own repos), Fillout is clearly ahead of Iterable. On momentum (release cadence and how fast the ecosystem moves), Iterable 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. Iterable shows 269 stars across 100 public repos, 16 active in the last 90 days and 10 external contributors. The star gap on its own does not decide the comparison, but Iterable's footprint is roughly 134.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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