Affirm vs Slab

Affirm 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 Affirm (rank #485) on the overall Smoower ecosystem score (39 vs 38). 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), Slab is ahead of Affirm. On education (docs, guides and learning material for developers), Affirm is clearly ahead of Slab. On community (issue response, PR reviews and discussion health), Slab is slightly ahead of Affirm. On reach (how visible the ecosystem is beyond its own repos), Affirm is ahead of Slab. On momentum (release cadence and how fast the ecosystem moves), Affirm is ahead of Slab.

Affirm carries 207 GitHub stars across 116 public repos, with 9 repositories active in the last 90 days and 4 external contributors on record. Slab shows 49,433 stars across 28 public repos, 0 active in the last 90 days and 8 external contributors. The star gap on its own does not decide the comparison, but Slab's footprint is roughly 238.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Affirm is the stronger read for anyone weighting education. Slab looks better where code quality 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.