Open-source email platform for transactional, marketing, and automation
Powerful email marketing tools to effortlessly grow, connect and convert
Stage
Not given
Not given
Founded
Not given
2020
Based in
EU
BE
Pricing model
Not given
Not given
Pricing
Free plan: 1,000 emails per month with Plunk branding. Paid plan: $0.001 per email with no branding. Unlimited contacts on both plans.
Starting at €9.99/month with 2,000 emails included. Pay per email sent with no limits or confusing plans. Extra emails cost additional per email or use your own provider.
Key features
Transactional email sending via API and SMTP
Workflow automation with event triggers and branching
Campaign broadcasts to segments or full contact list
Dynamic audience segmentation
Email analytics with opens, clicks, bounces tracking
Inbound email reception and reply handling
SMTP support for existing clients and frameworks
MCP server for AI agent integration
Visual email editor with HTML sync
Custom domain setup with automatic DKIM, SPF, DMARC
Campaigns with segmentation and split testing
Multi-step automations and drip campaigns
Transactional email management
Multiple email editors (Markdown, HTML, visual)
Analytics including open and click rates
GDPR compliance with optional tracking
Bring your own email provider integration
Tagging and segmentation
API and SDKs for integration
Newsletter archive and RSS feed
What makes it different
All features included on every plan with no tiers or add-ons
Fully open-source and self-hostable on own infrastructure