Engineering at Fullstory vs Slab

Engineering at Fullstory (Fullstory APIs and Open-Source Projects) and Slab (Making the workplace a source of learning and purpose through knowledge-sharing. We're hiring!) both appear on the Smoower Developer Ecosystem Index.

Slab (rank #455) holds a narrow lead over Engineering at Fullstory (rank #625) on the overall Smoower ecosystem score (39 vs 33). The gap of 6 points reflects composite signals across code, docs, community and reach.

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

Engineering at Fullstory carries 19,439 GitHub stars across 63 public repos, with 19 repositories active in the last 90 days and 15 external contributors on record. Slab shows 49,433 stars across 28 public repos, 0 active in the last 90 days and 8 external contributors.

Engineering at Fullstory is the stronger read for anyone weighting momentum. Slab 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.