Deezer vs MailerSend

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

MailerSend (rank #401) holds a narrow lead over Deezer (rank #536) on the overall Smoower ecosystem score (41 vs 36). The gap of 5 points reflects composite signals across code, docs, community and reach.

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

Deezer carries 29,854 GitHub stars across 99 public repos, with 5 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 Deezer's footprint is roughly 59.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Deezer is the stronger read for anyone weighting community. MailerSend 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.