Mailchimp vs Starling Bank

Mailchimp (Mailchimp is an all-in-one marketing platform that helps you manage and talk to your clients, customers, and other interested parties.) and Starling Bank both appear on the Smoower Developer Ecosystem Index.

Mailchimp (rank #317) holds a modest lead over Starling Bank (rank #625) on the overall Smoower ecosystem score (44 vs 33). 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), Mailchimp is slightly ahead of Starling Bank. On education (docs, guides and learning material for developers), Starling Bank is slightly ahead of Mailchimp. On community (issue response, PR reviews and discussion health), Mailchimp is clearly ahead of Starling Bank. On reach (how visible the ecosystem is beyond its own repos), Starling Bank is ahead of Mailchimp. On momentum (release cadence and how fast the ecosystem moves), Starling Bank is clearly ahead of Mailchimp.

Mailchimp carries 8,980 GitHub stars across 28 public repos, with 6 repositories active in the last 90 days and 6 external contributors on record. Starling Bank shows 195 stars across 3 public repos, 3 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but Mailchimp's footprint is roughly 46.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Mailchimp is the stronger read for anyone weighting community. Starling Bank 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.