Engineering at Fullstory vs Grammarly

Engineering at Fullstory (Fullstory APIs and Open-Source Projects) 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.

Grammarly (rank #600) holds a narrow lead over Engineering at Fullstory (rank #625) on the overall Smoower ecosystem score (34 vs 33). The gap of 1 points reflects composite signals across code, docs, community and reach.

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

Engineering at Fullstory carries 19,463 GitHub stars across 64 public repos, with 19 repositories active in the last 90 days and 15 external contributors on record. Grammarly shows 4,356 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 Engineering at Fullstory's footprint is roughly 4.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Engineering at Fullstory is the stronger read for anyone weighting community. 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.