Recurly vs Zulip

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

Recurly (rank #317) holds a narrow lead over Zulip (rank #536) on the overall Smoower ecosystem score (44 vs 36). The gap of 8 points reflects composite signals across code, docs, community and reach.

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

Recurly carries 1,564 GitHub stars across 53 public repos, with 26 repositories active in the last 90 days and 5 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 20.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Recurly is the stronger read for anyone weighting momentum. 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.