Close vs Duolingo

Close (The inside sales CRM of choice for SMBs) and Duolingo both appear on the Smoower Developer Ecosystem Index.

Close (rank #298) holds a narrow lead over Duolingo (rank #338) on the overall Smoower ecosystem score (45 vs 43). The gap of 2 points reflects composite signals across code, docs, community and reach.

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

Close carries 3,871 GitHub stars across 190 public repos, with 25 repositories active in the last 90 days and 10 external contributors on record. Duolingo shows 1,721 stars across 12 public repos, 8 active in the last 90 days and 11 external contributors.

Close 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.