Chargebee vs Kajabi

Chargebee (Billing Platform for Subscription Businesses.) and Kajabi both appear on the Smoower Developer Ecosystem Index.

Chargebee (rank #401) holds a modest lead over Kajabi (rank #662) on the overall Smoower ecosystem score (41 vs 32). The gap of 9 points reflects composite signals across code, docs, community and reach.

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

Chargebee carries 651 GitHub stars across 45 public repos, with 20 repositories active in the last 90 days and 1 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 Chargebee's footprint is roughly 6.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Chargebee is the stronger read for anyone weighting momentum. Kajabi makes more sense for teams already using its adjacent tools. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.