Plunk
All-in-one email tool
Plunk launched on April 25, 2023 with 135 votes, #299 of 4,853 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
Plunk is the affordable, developer-friendly email platform that brings together marketing, transactional and broadcast emails into one single, complete solution.
Send transactional emails, run marketing campaigns, and automate workflows. Open-source and self-hostable, $0.001 per email, no contact limits.
Transactional email, marketing campaigns, and automated workflows, all against one contact list. Most email platforms take days to configure. Plunk is sending in under five minutes: domain, DKIM, first send. Other platforms charge more as your list grows. Plunk stores unlimited contacts for free and bills only on send. Closed-source platforms own your stack. Plunk is fully inspectable, forkable, and self-hostable on your own infra. Trigger on any event your code sends. What you see on the canvas is the whole definition. A segment is a query, re-run every time you use it. The same campaign sent tomorrow reaches tomorrow’s audience. Add one MX record and every address at your domain starts…from useplunk.com
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I built an email marketing tool made for indie hackers and solopreneurs2022 · useplunk.com · ▲109Send transactional emails, run marketing campaigns, and automate workflows. Open-source and self-hostable, $0.001 per email, no contact limits.
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