Grammarly vs Yoast

Grammarly (Millions of users rely on Grammarly's AI-powered products to make their messages, documents, and social media posts clear, mistake-free, and impactful.) and Yoast (This is where the Yoast.com team shares its public code: from our WordPress plugins to other small projects.) both appear on the Smoower Developer Ecosystem Index.

Yoast (rank #209) holds a modest lead over Grammarly (rank #602) on the overall Smoower ecosystem score (49 vs 34). The gap of 15 points reflects composite signals across code, docs, community and reach.

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

Grammarly carries 4,355 GitHub stars across 23 public repos, with 0 repositories active in the last 90 days and 0 external contributors on record. Yoast shows 3,439 stars across 78 public repos, 12 active in the last 90 days and 21 external contributors.

Grammarly is the stronger read for anyone weighting reach. Yoast 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.