Kustomer vs Semrush

Kustomer and Semrush (We do love open source and have an opportunity to make it better from now.) both appear on the Smoower Developer Ecosystem Index.

Semrush (rank #317) holds a modest lead over Kustomer (rank #602) on the overall Smoower ecosystem score (44 vs 34). 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), Kustomer is slightly ahead of Semrush. On community (issue response, PR reviews and discussion health), Semrush is ahead of Kustomer. On reach (how visible the ecosystem is beyond its own repos), Semrush is slightly ahead of Kustomer. On momentum (release cadence and how fast the ecosystem moves), Semrush is ahead of Kustomer.

Kustomer carries 15 GitHub stars across 19 public repos, with 6 repositories active in the last 90 days and 4 external contributors on record. Semrush shows 454 stars across 11 public repos, 2 active in the last 90 days and 7 external contributors. The star gap on its own does not decide the comparison, but Semrush's footprint is roughly 30.3x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Kustomer is the stronger read for anyone weighting code quality. Semrush looks better where community 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.