Customer IO vs Semrush

Customer IO 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.

Customer IO (rank #165) holds a narrow lead over Semrush (rank #317) on the overall Smoower ecosystem score (51 vs 44). The gap of 7 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Customer IO is ahead of Semrush. On education (docs, guides and learning material for developers), Customer IO is ahead of Semrush. On community (issue response, PR reviews and discussion health), Semrush is slightly ahead of Customer IO. On reach (how visible the ecosystem is beyond its own repos), Customer IO is slightly ahead of Semrush. On momentum (release cadence and how fast the ecosystem moves), Customer IO is slightly ahead of Semrush.

Customer IO carries 684 GitHub stars across 107 public repos, with 42 repositories active in the last 90 days and 26 external contributors on record. Semrush shows 454 stars across 11 public repos, 2 active in the last 90 days and 7 external contributors.

Customer IO is the stronger read for anyone weighting education. 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.