Amplitude vs Duolingo

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

Amplitude (rank #93) holds a modest lead over Duolingo (rank #338) on the overall Smoower ecosystem score (56 vs 43). The gap of 13 points reflects composite signals across code, docs, community and reach.

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

Amplitude carries 3,167 GitHub stars across 151 public repos, with 39 repositories active in the last 90 days and 23 external contributors on record. Duolingo shows 1,721 stars across 12 public repos, 8 active in the last 90 days and 11 external contributors.

Amplitude 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.