KAYAK vs SignNow

KAYAK and SignNow (SignNow e-signature API - send, sign & embed documents in any app. SDKs for Node.js, Python, PHP, .NET & Java.) both appear on the Smoower Developer Ecosystem Index.

SignNow (rank #209) holds a modest lead over KAYAK (rank #485) on the overall Smoower ecosystem score (49 vs 38). The gap of 11 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 SignNow. On education (docs, guides and learning material for developers), SignNow is clearly ahead of KAYAK. On community (issue response, PR reviews and discussion health), KAYAK is slightly ahead of SignNow. On reach (how visible the ecosystem is beyond its own repos), SignNow is ahead of KAYAK. On momentum (release cadence and how fast the ecosystem moves), SignNow 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. SignNow shows 96 stars across 16 public repos, 8 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 33.2x 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. SignNow looks better where education 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.