Mailchimp vs Spreedly

Mailchimp (Mailchimp is an all-in-one marketing platform that helps you manage and talk to your clients, customers, and other interested parties.) and Spreedly (Simple and secure PCI compliance and payment forwarding.) both appear on the Smoower Developer Ecosystem Index.

Mailchimp (rank #317) holds a modest lead over Spreedly (rank #728) on the overall Smoower ecosystem score (44 vs 30). The gap of 14 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 Spreedly. On education (docs, guides and learning material for developers), Spreedly is slightly ahead of Mailchimp. On community (issue response, PR reviews and discussion health), Mailchimp is ahead of Spreedly. On reach (how visible the ecosystem is beyond its own repos), Mailchimp is slightly ahead of Spreedly. On momentum (release cadence and how fast the ecosystem moves), Spreedly is slightly 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. Spreedly shows 418 stars across 67 public repos, 10 active in the last 90 days and 2 external contributors. The star gap on its own does not decide the comparison, but Mailchimp's footprint is roughly 21.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Mailchimp is the stronger read for anyone weighting community. Spreedly 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.