Duo Security vs Zscaler, Inc.

Duo Security and Zscaler, Inc. both appear on the Smoower Developer Ecosystem Index.

Duo Security (rank #278) holds a narrow lead over Zscaler, Inc. (rank #298) on the overall Smoower ecosystem score (46 vs 45). 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), Zscaler, Inc. is ahead of Duo Security. On education (docs, guides and learning material for developers), Duo Security is slightly ahead of Zscaler, Inc.. On community (issue response, PR reviews and discussion health), Zscaler, Inc. is ahead of Duo Security. On reach (how visible the ecosystem is beyond its own repos), Zscaler, Inc. is ahead of Duo Security. On momentum (release cadence and how fast the ecosystem moves), Duo Security is ahead of Zscaler, Inc..

Duo Security carries 1,477 GitHub stars across 52 public repos, with 15 repositories active in the last 90 days and 6 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 Duo Security's footprint is roughly 4.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Duo Security is the stronger read for anyone weighting momentum. Zscaler, Inc. looks better where code quality 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.