Chargebee vs Zammad

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

Zammad (rank #152) holds a modest lead over Chargebee (rank #401) on the overall Smoower ecosystem score (52 vs 41). The gap of 11 points reflects composite signals across code, docs, community and reach.

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

Chargebee carries 651 GitHub stars across 45 public repos, with 20 repositories active in the last 90 days and 1 external contributors on record. Zammad shows 6,394 stars across 11 public repos, 9 active in the last 90 days and 27 external contributors. The star gap on its own does not decide the comparison, but Zammad's footprint is roughly 9.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Chargebee is the stronger read for anyone weighting momentum. Zammad looks better where community 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.