Adyen vs Zulip

Adyen and Zulip (Organized team chat) both appear on the Smoower Developer Ecosystem Index.

Adyen (rank #165) holds a modest lead over Zulip (rank #536) on the overall Smoower ecosystem score (51 vs 36). The gap of 15 points reflects composite signals across code, docs, community and reach.

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

Adyen carries 2,684 GitHub stars across 65 public repos, with 49 repositories active in the last 90 days and 39 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 12.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Adyen is the stronger read for anyone weighting code quality. Zulip looks better where reach 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.