Duolingo vs Salesforce

Duolingo and Salesforce (Noteworthy Open Source projects made available by Salesforce. Available under Open Source or Creative Commons licensing. No warranty or support implied) both appear on the Smoower Developer Ecosystem Index.

Salesforce (rank #82) holds a modest lead over Duolingo (rank #338) on the overall Smoower ecosystem score (57 vs 43). The gap of 14 points reflects composite signals across code, docs, community and reach.

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

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. Salesforce shows 68,892 stars across 417 public repos, 75 active in the last 90 days and 6 external contributors. The star gap on its own does not decide the comparison, but Salesforce's footprint is roughly 40.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Duolingo is the stronger read for anyone weighting reach. Salesforce 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.