Developer ecosystem comparison
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ExpressVPN vs Zulip

Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.

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

Zulip (rank #536) holds a narrow lead over ExpressVPN (rank #569) on the overall Smoower ecosystem score (36 vs 35). The gap of 1 points reflects composite signals across code, docs, community and reach.

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

ExpressVPN carries 1,250 GitHub stars across 12 public repos, with 3 repositories active in the last 90 days and 7 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 25.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

ExpressVPN 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.

Side-by-side metrics

MetricExpressVPNZulip
Ranking
Overall rank#569#536
Pillars
Overall3536
Code5764
Education6949
Community3047
Reach4825
Momentum1538
Builder experience00
Signals
Stars1,25032,299
Forks22014,237
Public repos1267
Active repos (90d)39
External contributors776
Avg polish6367
Avg AI-readiness2938

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