Expensify, Inc vs KAYAK

Expensify, Inc and KAYAK both appear on the Smoower Developer Ecosystem Index.

Expensify, Inc (rank #165) holds a modest lead over KAYAK (rank #485) on the overall Smoower ecosystem score (51 vs 38). The gap of 13 points reflects composite signals across code, docs, community and reach.

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

Expensify, Inc carries 9,942 GitHub stars across 66 public repos, with 18 repositories active in the last 90 days and 141 external contributors on record. KAYAK shows 3,186 stars across 72 public repos, 4 active in the last 90 days and 1 external contributors. The star gap on its own does not decide the comparison, but Expensify, Inc's footprint is roughly 3.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Expensify, Inc is the stronger read for anyone weighting momentum. KAYAK 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.