Plunk

Judgement

What it is

Complete system

What it does

An email platform for transactional email, marketing campaigns and event-triggered automations, sending through Amazon SES.

Adopt it when

You want one open-source tool for both product emails and newsletters on AWS SES.

Watch out

Still pre-1.0, AGPL licensed, and tied to AWS SES.

Ready for

Usable

Runs as

Self-hosted server and cloud service

Built with

TypeScript, PostgreSQL, Redis and Amazon SES

How established

Established: started 2 years ago, latest release v0.18.0.

What the license allows

Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Compare Plunk

Built from

Follow it down: Plunk → TypeScript → Go → runs on a microchip

How compilers were built, back to punched paper tape

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