Duolingo vs OpenCart

Duolingo and OpenCart (PHP based open source ecommerce platform) both appear on the Smoower Developer Ecosystem Index.

Duolingo (rank #338) holds a narrow lead over OpenCart (rank #401) on the overall Smoower ecosystem score (43 vs 41). 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), Duolingo is slightly ahead of OpenCart. On education (docs, guides and learning material for developers), OpenCart is clearly ahead of Duolingo. On community (issue response, PR reviews and discussion health), OpenCart is ahead of Duolingo. On reach (how visible the ecosystem is beyond its own repos), Duolingo is ahead of OpenCart. On momentum (release cadence and how fast the ecosystem moves), Duolingo is ahead of OpenCart.

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. OpenCart shows 8,157 stars across 2 public repos, 1 active in the last 90 days and 26 external contributors. The star gap on its own does not decide the comparison, but OpenCart's footprint is roughly 4.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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