Skyscanner vs Zulip

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

Skyscanner (rank #209) holds a modest lead over Zulip (rank #536) on the overall Smoower ecosystem score (49 vs 36). The gap of 13 points reflects composite signals across code, docs, community and reach.

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

Skyscanner carries 8,167 GitHub stars across 86 public repos, with 18 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 4.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Skyscanner is the stronger read for anyone weighting education. 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.