Formbricks vs KAYAK

Formbricks (Open Source Qualtrics Alternative) and KAYAK both appear on the Smoower Developer Ecosystem Index.

Formbricks (rank #237) holds a modest lead over KAYAK (rank #485) on the overall Smoower ecosystem score (48 vs 38). The gap of 10 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 Formbricks. On education (docs, guides and learning material for developers), Formbricks is slightly ahead of KAYAK. On community (issue response, PR reviews and discussion health), Formbricks is ahead of KAYAK. On reach (how visible the ecosystem is beyond its own repos), KAYAK is slightly ahead of Formbricks. On momentum (release cadence and how fast the ecosystem moves), KAYAK is ahead of Formbricks.

Formbricks carries 12,675 GitHub stars across 18 public repos, with 9 repositories active in the last 90 days and 6 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 Formbricks's footprint is roughly 4.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Formbricks is the stronger read for anyone weighting community. KAYAK 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.