HubSpot vs Mailchimp

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

HubSpot (rank #93) holds a modest lead over Mailchimp (rank #317) on the overall Smoower ecosystem score (56 vs 44). The gap of 12 points reflects composite signals across code, docs, community and reach.

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

HubSpot carries 53,481 GitHub stars across 381 public repos, with 35 repositories active in the last 90 days and 4 external contributors on record. Mailchimp shows 8,980 stars across 28 public repos, 6 active in the last 90 days and 6 external contributors. The star gap on its own does not decide the comparison, but HubSpot's footprint is roughly 6.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

HubSpot is the stronger read for anyone weighting reach. Mailchimp 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.