Duo Security vs Grammarly

Duo Security and 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.) both appear on the Smoower Developer Ecosystem Index.

Duo Security (rank #278) holds a modest lead over Grammarly (rank #602) on the overall Smoower ecosystem score (46 vs 34). The gap of 12 points reflects composite signals across code, docs, community and reach.

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

Duo Security carries 1,477 GitHub stars across 52 public repos, with 15 repositories active in the last 90 days and 6 external contributors on record. Grammarly shows 4,355 stars across 23 public repos, 0 active in the last 90 days and 0 external contributors.

Duo Security is the stronger read for anyone weighting momentum. Grammarly 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.