Blackbird vs Customer IO

Blackbird and Customer IO both appear on the Smoower Developer Ecosystem Index.

Customer IO (rank #165) holds a meaningful lead over Blackbird (rank #728) on the overall Smoower ecosystem score (51 vs 30). The gap of 21 points reflects composite signals across code, docs, community and reach.

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

Blackbird carries 16 GitHub stars across 165 public repos, with 77 repositories active in the last 90 days and 6 external contributors on record. Customer IO shows 684 stars across 107 public repos, 42 active in the last 90 days and 26 external contributors. The star gap on its own does not decide the comparison, but Customer IO's footprint is roughly 42.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Blackbird is the stronger read for anyone weighting momentum. Customer IO looks better where code quality 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.