Plunk
useplunk.com
Open sourceMCPNo card
Open-source email platform for transactional, campaigns and automations
- Free tier
- Yes
- Per month
- Free – Usage
- MCP
- Yes
Why it's here
Open-source, self-hostable email with MCP, campaigns and workflows; usage-based pricing is straightforward.
Free tier
1,000 emails/mo · unlimited contacts · campaigns and workflows
Visit Plunk(opens in a new tab)
Last verified
Open-source, self-hostable email with MCP, campaigns and workflows; usage-based pricing is straightforward.
| per month | FreeFree | Pay as you growUsage$0.001/email |
|---|---|---|
| Marketing sends | ||
| No daily cap | ||
| Many domains | ||
| Dedicated IP | ||
| Inbound email | ||
| Automations | ||
| Templates | ||
| Agent-ready docs | ||
| Team members |