Duolingo vs Zoom

Duolingo and Zoom (Power Up Your Apps with Video, Phone, and Chat) both appear on the Smoower Developer Ecosystem Index.

Zoom (rank #122) holds a modest lead over Duolingo (rank #338) on the overall Smoower ecosystem score (54 vs 43). The gap of 11 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Zoom is slightly ahead of Duolingo. On education (docs, guides and learning material for developers), Zoom is clearly ahead of Duolingo. On community (issue response, PR reviews and discussion health), Duolingo is slightly ahead of Zoom. On reach (how visible the ecosystem is beyond its own repos), Duolingo is ahead of Zoom. On momentum (release cadence and how fast the ecosystem moves), Zoom is clearly 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. Zoom shows 3,380 stars across 159 public repos, 62 active in the last 90 days and 4 external contributors.

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