Best Open Source Marketing Automation in 2026
Platforms for automating marketing workflows, lead nurturing, and multi-channel campaign management.
3 open source marketing automation — ranked by GitHub stars. Browse all
Postiz
📨 The ultimate social media scheduling tool, with a bunch of AI 🤖
Alternative to: 
Buffer
Buffer
Mautic
Open-source marketing automation platform with email campaigns, lead management, and multi-channel marketing.
Alternative to: 
HubSpot
HubSpot
Dittofeed
Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨
Alternative to: 
customer.io
customer.io