Open-source alternative
for ActiveCampaign
ActiveCampaign is powerful but expensive and complex. Plunk delivers essential email automation without CRM bloat, sales features, or enterprise pricing. Built for developers, not marketing departments.
Enterprise Features Without Enterprise Prices
Email automation that doesn't break the bank
Simple pay-as-you-go
Only pay for emails sent. All features included, no tier gating, no forced upgrades.
Expensive subscription tiers
Complex pricing with feature gating. Automation requires higher tiers.
Automation Without Complexity
Affordable Pricing
Pay-as-you-go with all features included. No expensive tier upgrades required for automation. Typically 50-80% cheaper than ActiveCampaign.
5-Minute Setup
Start sending in minutes. No CRM to configure, no sales pipeline to set up. Just authenticate and build your email workflows.
Developer-First
Clean API designed for developers, not marketing teams. Integrate email into your product without learning complex enterprise software.
Open Source
AGPL-3.0 licensed. Full transparency into how your emails are processed. Contribute features, understand the system. ActiveCampaign is proprietary.
Self-Hostable
Deploy on your own infrastructure with Docker. Full data control, compliance-ready, no vendor lock-in. ActiveCampaign is cloud-only.
Workflow Automation
Event-based triggers, segmentation, and automated sequences. All the email automation power of ActiveCampaign without CRM complexity.
Feature Comparison
Get email automation without the bloat
Join developers choosing focused email automation over enterprise complexity. Start free, no credit card required.