ExpressVPN vs Zscaler, Inc.
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
ExpressVPN and Zscaler, Inc. both appear on the Smoower Developer Ecosystem Index.
Zscaler, Inc. (rank #298) holds a modest lead over ExpressVPN (rank #569) on the overall Smoower ecosystem score (45 vs 35). The gap of 10 points reflects composite signals across code, docs, community and reach.
On code quality (the state of repositories, tests, releases and polish), Zscaler, Inc. is ahead of ExpressVPN. On education (docs, guides and learning material for developers), ExpressVPN is slightly ahead of Zscaler, Inc.. On community (issue response, PR reviews and discussion health), Zscaler, Inc. is ahead of ExpressVPN. On reach (how visible the ecosystem is beyond its own repos), ExpressVPN is ahead of Zscaler, Inc.. On momentum (release cadence and how fast the ecosystem moves), Zscaler, Inc. 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. Zscaler, Inc. shows 337 stars across 58 public repos, 33 active in the last 90 days and 11 external contributors. The star gap on its own does not decide the comparison, but ExpressVPN's footprint is roughly 3.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.
ExpressVPN is the stronger read for anyone weighting reach. Zscaler, Inc. 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
| Metric | ExpressVPN | Zscaler, Inc. |
|---|---|---|
| Ranking | ||
| Overall rank | #569 | #298 |
| Pillars | ||
| Overall | 35 | 45 |
| Code | 57 | 76 |
| Education | 69 | 65 |
| Community | 30 | 39 |
| Reach | 48 | 37 |
| Momentum | 15 | 40 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 1,250 | 337 |
| Forks | 220 | 199 |
| Public repos | 12 | 58 |
| Active repos (90d) | 3 | 33 |
| External contributors | 7 | 11 |
| Avg polish | 63 | 86 |
| Avg AI-readiness | 29 | 61 |