Fillout vs Kajabi

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

Fillout (rank #510) holds a narrow lead over Kajabi (rank #662) on the overall Smoower ecosystem score (37 vs 32). The gap of 5 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Kajabi is ahead of Fillout. On education (docs, guides and learning material for developers), Fillout is slightly ahead of Kajabi. On community (issue response, PR reviews and discussion health), Fillout is ahead of Kajabi. On reach (how visible the ecosystem is beyond its own repos), Fillout is clearly ahead of Kajabi. On momentum (release cadence and how fast the ecosystem moves), Kajabi 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. Kajabi shows 99 stars across 103 public repos, 8 active in the last 90 days and 11 external contributors. The star gap on its own does not decide the comparison, but Kajabi's footprint is roughly 49.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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