celigo vs Zulip

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

celigo and Zulip sit at essentially the same overall ecosystem score (36), which is unusual and worth reading through the pillars below.

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

celigo carries 43 GitHub stars across 26 public repos, with 6 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 751.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

celigo is the stronger read for anyone weighting reach. Zulip looks better where momentum 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.