MailerSend vs Mollie

MailerSend (Email service that delivers) and Mollie (Building a payments and banking stack for makers.) both appear on the Smoower Developer Ecosystem Index.

Mollie (rank #122) holds a modest lead over MailerSend (rank #401) on the overall Smoower ecosystem score (54 vs 41). The gap of 13 points reflects composite signals across code, docs, community and reach.

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

MailerSend carries 499 GitHub stars across 22 public repos, with 12 repositories active in the last 90 days and 7 external contributors on record. Mollie shows 2,571 stars across 85 public repos, 30 active in the last 90 days and 26 external contributors. The star gap on its own does not decide the comparison, but Mollie's footprint is roughly 5.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

MailerSend is the stronger read for anyone weighting reach. Mollie 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.