Checkout.com vs Zulip

Checkout.com (A collection of libraries and plugins for Checkout.com) and Zulip (Organized team chat) both appear on the Smoower Developer Ecosystem Index.

Checkout.com (rank #152) holds a modest lead over Zulip (rank #536) on the overall Smoower ecosystem score (52 vs 36). The gap of 16 points reflects composite signals across code, docs, community and reach.

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

Checkout.com carries 542 GitHub stars across 55 public repos, with 26 repositories active in the last 90 days and 11 external contributors on record. Zulip shows 32,299 stars across 67 public repos, 9 active in the last 90 days and 76 external contributors. The star gap on its own does not decide the comparison, but Zulip's footprint is roughly 59.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Checkout.com is the stronger read for anyone weighting reach. Zulip 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.