Blackboard Inc. vs Duolingo

Blackboard Inc. and Duolingo both appear on the Smoower Developer Ecosystem Index.

Duolingo (rank #338) holds a modest lead over Blackboard Inc. (rank #602) on the overall Smoower ecosystem score (43 vs 34). The gap of 9 points reflects composite signals across code, docs, community and reach.

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

Blackboard Inc. carries 715 GitHub stars across 117 public repos, with 2 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.

Blackboard Inc. is worth a look for teams already invested in its stack. Duolingo 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.