Duolingo vs Meltwater

Duolingo and Meltwater (We harness the world’s data in real time to unlock our customer’s competitive edge.) both appear on the Smoower Developer Ecosystem Index.

Duolingo (rank #338) holds a modest lead over Meltwater (rank #625) on the overall Smoower ecosystem score (43 vs 33). The gap of 10 points reflects composite signals across code, docs, community and reach.

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

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. Meltwater shows 196 stars across 22 public repos, 6 active in the last 90 days and 1 external contributors. The star gap on its own does not decide the comparison, but Duolingo's footprint is roughly 8.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Duolingo is the stronger read for anyone weighting momentum. Meltwater looks better where education 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.