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RepoQuarry

Plunk useplunk/plunk

Open-source email platform for transactional mail, campaigns and workflow automations with segments and open/click analytics; sends via AWS SES.

Creator kit + Compare GitHub ↗ Install guide (official) ↗

Plunk at a glance

Checked 16 Oct 2026

Plunk (5.5k stars, v0.16.0 Oct 2026) combines a transactional email API and SMTP relay with marketing campaigns, workflow automations (triggers, delays, conditions), segments, contact management and open/click analytics. AGPL-3.0. Self-hosting uses Docker Compose and needs an AWS SES account plus a domain with several subdomains. It is aimed at product and developer email more than publishing: no sign-up form builder, newsletter website or paid subscriptions are listed.

Cite this pageRepoQuarry. “Plunk.” Checked 16 Oct 2026. https://repoquarry.dev/projects/plunk

How much of Mailchimp does it replace?

4 of 5 jobs. Campaigns, segments, automations and analytics; no forms or landing pages; AWS SES required.

Partial: Subscriber lists and segments Partial replacement
Partial: Campaign editor and templates Partial replacement
Partial: Automations and drip sequences Partial replacement
No: Signup forms and landing pages Not covered
Partial: Open and click analytics Partial replacement

For signup forms and landing pages, see other Mailchimp alternatives. You may also need to build an interface, an API server and hosting yourself.

How much of beehiiv does it replace?

3 of 6 jobs. Campaigns and automations only; no newsletter website or paid subscriptions.

Partial: Subscriber lists and segments Partial replacement
Partial: Campaign editor and templates Partial replacement
Partial: Automations and drip sequences Partial replacement
No: Signup forms and landing pages Not covered
No: Open and click analytics Not covered
No: Paid subscriptions and newsletter website Not covered

For signup forms and landing pages, paid subscriptions and newsletter website, see other beehiiv alternatives. You may also need to build an interface, an API server and hosting yourself.

Facts, with sources

Every answer links to where we found it. We read the documentation; we did not install it.

Report a correction
QuestionAnswerSourceChecked
Runs on my machine? Confirmed: Self-hosted with Docker Compose, or hosted Plunk Download the docker-compose.yml Create environment variables with your configuration (see Environment Variables ) Run docker compose up -d docs.useplunk.com · introduction ↗ today
Code licence Partial: AGPL-3.0 (copyleft) AGPL-3.0 License - see LICENSE for details. github.com · plunk#license ↗ today
Model weights licence Confirmed: No separate model weights github.com · plunk#readme ↗ today
Commercial use Partial: Yes under AGPL-3.0 copyleft terms AGPL-3.0 License - see LICENSE for details. github.com · plunk#license ↗ today
Paid services needed? No: Self-hosting requires an AWS SES account for sending AWS SES account (for sending emails) docs.useplunk.com · introduction ↗ today
Hardware Unknown: Not documented Know the answer? —
Operating systems Partial: Any host with Docker and Docker Compose; host OS not listed Docker and Docker Compose docs.useplunk.com · introduction ↗ today
Setup effort Confirmed: Medium; Docker Compose plus AWS SES setup and DNS for app, api and other subdomains Domain name with subdomains for each service docs.useplunk.com · introduction ↗ today

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