Grammarly vs SlackAPI

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 SlackAPI (https://docs.slack.dev/tools) both appear on the Smoower Developer Ecosystem Index.

SlackAPI (rank #47) holds a meaningful lead over Grammarly (rank #602) on the overall Smoower ecosystem score (61 vs 34). The gap of 27 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), SlackAPI is clearly ahead of Grammarly. On education (docs, guides and learning material for developers), SlackAPI is slightly ahead of Grammarly. On community (issue response, PR reviews and discussion health), SlackAPI is ahead of Grammarly. On reach (how visible the ecosystem is beyond its own repos), Grammarly is clearly ahead of SlackAPI. On momentum (release cadence and how fast the ecosystem moves), SlackAPI 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. SlackAPI shows 17,894 stars across 37 public repos, 19 active in the last 90 days and 39 external contributors. The star gap on its own does not decide the comparison, but SlackAPI's footprint is roughly 4.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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