Checkout.com vs Grammarly

Checkout.com (A collection of libraries and plugins for Checkout.com) 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.

Checkout.com (rank #152) holds a modest lead over Grammarly (rank #602) on the overall Smoower ecosystem score (52 vs 34). The gap of 18 points reflects composite signals across code, docs, community and reach.

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

Checkout.com carries 542 GitHub stars across 55 public repos, with 26 repositories active in the last 90 days and 11 external contributors on record. Grammarly shows 4,355 stars across 23 public repos, 0 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but Grammarly's footprint is roughly 8.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Checkout.com is the stronger read for anyone weighting momentum. Grammarly 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.