Developer ecosystem comparison
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Expel, Inc. vs KAYAK

Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.

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

Expel, Inc. (rank #430) holds a narrow lead over KAYAK (rank #485) on the overall Smoower ecosystem score (40 vs 38). The gap of 2 points reflects composite signals across code, docs, community and reach.

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

Expel, Inc. carries 73 GitHub stars across 28 public repos, with 3 repositories active in the last 90 days and 2 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 KAYAK's footprint is roughly 43.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Expel, 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.

Side-by-side metrics

MetricExpel, Inc.KAYAK
Ranking
Overall rank#430#485
Pillars
Overall4038
Code4559
Education6159
Community2730
Reach2444
Momentum4036
Builder experience00
Signals
Stars733,186
Forks36462
Public repos2872
Active repos (90d)34
External contributors21
Avg polish5156
Avg AI-readiness3444

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