Duolingo vs Zendesk

Duolingo and Zendesk both appear on the Smoower Developer Ecosystem Index.

Zendesk (rank #165) holds a narrow lead over Duolingo (rank #338) on the overall Smoower ecosystem score (51 vs 43). The gap of 8 points reflects composite signals across code, docs, community and reach.

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

Duolingo carries 1,721 GitHub stars across 12 public repos, with 8 repositories active in the last 90 days and 11 external contributors on record. Zendesk shows 12,427 stars across 891 public repos, 87 active in the last 90 days and 10 external contributors. The star gap on its own does not decide the comparison, but Zendesk's footprint is roughly 7.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Duolingo is the stronger read for anyone weighting reach. Zendesk 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.