Formspark vs MailerSend

Formspark and MailerSend (Email service that delivers) both appear on the Smoower Developer Ecosystem Index.

Formspark (rank #372) holds a narrow lead over MailerSend (rank #401) on the overall Smoower ecosystem score (42 vs 41). The gap of 1 points reflects composite signals across code, docs, community and reach.

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

Formspark carries 67 GitHub stars across 8 public repos, with 8 repositories active in the last 90 days and 2 external contributors on record. MailerSend shows 499 stars across 22 public repos, 12 active in the last 90 days and 7 external contributors. The star gap on its own does not decide the comparison, but MailerSend's footprint is roughly 7.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Formspark is the stronger read for anyone weighting momentum. MailerSend looks better where reach 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.