Blackbird vs Duolingo

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

Duolingo (rank #338) holds a modest lead over Blackbird (rank #728) on the overall Smoower ecosystem score (43 vs 30). 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), Duolingo is ahead of Blackbird. On education (docs, guides and learning material for developers), Blackbird is ahead of Duolingo. On community (issue response, PR reviews and discussion health), Duolingo is slightly ahead of Blackbird. On reach (how visible the ecosystem is beyond its own repos), Duolingo is ahead of Blackbird. On momentum (release cadence and how fast the ecosystem moves), Blackbird is ahead of Duolingo.

Blackbird carries 16 GitHub stars across 165 public repos, with 77 repositories active in the last 90 days and 6 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 Duolingo's footprint is roughly 107.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Blackbird is the stronger read for anyone weighting education. 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.