KAYAK vs Spreedly

KAYAK and Spreedly (Simple and secure PCI compliance and payment forwarding.) both appear on the Smoower Developer Ecosystem Index.

KAYAK (rank #485) holds a narrow lead over Spreedly (rank #728) on the overall Smoower ecosystem score (38 vs 30). The gap of 8 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 Spreedly. On education (docs, guides and learning material for developers), KAYAK is ahead of Spreedly. On community (issue response, PR reviews and discussion health), KAYAK is ahead of Spreedly. On reach (how visible the ecosystem is beyond its own repos), KAYAK is slightly ahead of Spreedly. On momentum (release cadence and how fast the ecosystem moves), KAYAK is ahead of Spreedly.

KAYAK carries 3,186 GitHub stars across 72 public repos, with 4 repositories active in the last 90 days and 1 external contributors on record. Spreedly shows 418 stars across 67 public repos, 10 active in the last 90 days and 2 external contributors. The star gap on its own does not decide the comparison, but KAYAK's footprint is roughly 7.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

KAYAK is the stronger read for anyone weighting momentum. Spreedly makes more sense for teams already using its adjacent tools. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.