Duolingo vs MailerLite

Duolingo and MailerLite (Digital marketing tools to grow your audience faster and drive revenue smarter.) both appear on the Smoower Developer Ecosystem Index.

Duolingo (rank #338) holds a narrow lead over MailerLite (rank #430) on the overall Smoower ecosystem score (43 vs 40). The gap of 3 points reflects composite signals across code, docs, community and reach.

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

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. MailerLite shows 1,134 stars across 39 public repos, 25 active in the last 90 days and 3 external contributors.

Duolingo is the stronger read for anyone weighting reach. MailerLite looks better where code quality 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.