Amplitude vs Engineering at Fullstory

Amplitude and Engineering at Fullstory (Fullstory APIs and Open-Source Projects) both appear on the Smoower Developer Ecosystem Index.

Amplitude (rank #93) holds a meaningful lead over Engineering at Fullstory (rank #625) on the overall Smoower ecosystem score (56 vs 33). The gap of 23 points reflects composite signals across code, docs, community and reach.

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

Amplitude carries 3,167 GitHub stars across 151 public repos, with 39 repositories active in the last 90 days and 23 external contributors on record. Engineering at Fullstory shows 19,439 stars across 63 public repos, 19 active in the last 90 days and 15 external contributors. The star gap on its own does not decide the comparison, but Engineering at Fullstory's footprint is roughly 6.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Amplitude is the stronger read for anyone weighting momentum. Engineering at Fullstory looks better where community 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.