KAYAK vs Omnisend

KAYAK and Omnisend (Omnisend’s AI-powered platform helps ecommerce brands centralize email, SMS, and popups with automation, segmentation, and AI content tools.) both appear on the Smoower Developer Ecosystem Index.

KAYAK (rank #485) holds a narrow lead over Omnisend (rank #625) on the overall Smoower ecosystem score (38 vs 33). The gap of 5 points reflects composite signals across code, docs, community and reach.

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

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. Omnisend shows 5 stars across 18 public repos, 9 active in the last 90 days and 4 external contributors. The star gap on its own does not decide the comparison, but KAYAK's footprint is roughly 637.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

KAYAK is the stronger read for anyone weighting code quality. Omnisend looks better where momentum 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.