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Haraka vs Plunk

The same facts for both, read from GitHub every night, and the relation a person reviewed.

HarakaPlunk
LanguageJavaScriptTypeScript
LicenceMITAGPL-3.0
Stars5.6k5.5k
Latestv3.3.4v0.15.0
Last push2026-10-032026-10-06
Release cadenceabout 25 days between releasesabout 37 days between releases
Active contributors3 commit authors on the default branch in the last 90 days12 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace SendGrid. Alternatives to SendGrid →

    PartialHarakaA plugin-based SMTP server in Node.js for high-volume inbound and outbound mail, without an HTTP API or tracking dashboard.

    PartialPlunkTransactional email over an HTTP API next to campaigns and automations, sent through Amazon SES.