Dropbox vs Duolingo

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

Dropbox (rank #257) holds a narrow lead over Duolingo (rank #338) on the overall Smoower ecosystem score (47 vs 43). The gap of 4 points reflects composite signals across code, docs, community and reach.

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

Dropbox carries 61,045 GitHub stars across 247 public repos, with 29 repositories active in the last 90 days and 2 external contributors on record. Duolingo shows 1,721 stars across 12 public repos, 8 active in the last 90 days and 11 external contributors. The star gap on its own does not decide the comparison, but Dropbox's footprint is roughly 35.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Dropbox is the stronger read for anyone weighting momentum. Duolingo looks better where reach 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.