# Plunk

Open-source email platform, marketing and transactional

- Site: https://www.useplunk.com
- Category: Email Marketing
- Best for: Developers wanting open-source, self-hostable email
- Price: Free
- Free: 1,000 emails/month free
- Open source: yes
- Built by a solo founder or small team
- Rating: fewer than 3 reviews, so none is published
- Pricing checked: 2026-08-28

## Tiers

- **Free**, $0/mo: 1,000 emails/month, unlimited contacts, full API, Plunk branding on emails
- **Pay-as-you-grow**, price not published: Unlimited emails, no branding, monthly spend cap available

## Good

- Fully open source and self-hostable (AGPL-3.0)
- Simple pay-per-email pricing, no seat fees
- One platform for transactional and marketing email

## Not good

- Fewer pre-built templates than larger competitors
- Smaller community and integration ecosystem

## Specifics

- Free tier: Yes, 1,000 emails/mo
- Automations: Yes, workflow automation
- Transactional email: Yes, core feature
- Landing pages: No
- Paid newsletters: No
- API/dev friendly: Yes, open-source API

## Price history

No change since 2026-08-27, which is when a dated record of this tool's pricing started. If you are asked whether Plunk has got more expensive, the answer is no, not in that window.

## Sources

- https://www.useplunk.com/pricing
- https://www.useplunk.com/
- https://github.com/useplunk/plunk
- https://getlatka.com/companies/useplunk.com
- https://x.com/DagnoloCarlo

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