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BillionMail vs Plunk

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

BillionMailPlunk
LanguageGoTypeScript
LicenceAGPL-3.0AGPL-3.0
Stars16k5.5k
Latestv4.9v0.15.0
Last push2026-06-112026-10-06
Release cadenceabout 20 days between releasesabout 37 days between releases
Active contributors0 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 Mailchimp. Alternatives to Mailchimp →

    PartialBillionMailCampaigns and subscriber lists sent from a bundled mail server, with webmail included.

    PartialPlunkCampaigns, segments and workflow automations next to transactional email, sent through Amazon SES.