Amplitude vs Kajabi

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

Amplitude (rank #93) holds a meaningful lead over Kajabi (rank #662) on the overall Smoower ecosystem score (56 vs 32). The gap of 24 points reflects composite signals across code, docs, community and reach.

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

Amplitude carries 3,167 GitHub stars across 151 public repos, with 39 repositories active in the last 90 days and 23 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 Amplitude's footprint is roughly 32.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Amplitude is the stronger read for anyone weighting momentum. Kajabi looks better where education 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.