Spreedly vs Zulip

Spreedly (Simple and secure PCI compliance and payment forwarding.) and Zulip (Organized team chat) both appear on the Smoower Developer Ecosystem Index.

Zulip (rank #536) holds a narrow lead over Spreedly (rank #728) on the overall Smoower ecosystem score (36 vs 30). The gap of 6 points reflects composite signals across code, docs, community and reach.

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

Spreedly carries 418 GitHub stars across 67 public repos, with 10 repositories active in the last 90 days and 2 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 77.3x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Spreedly 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.