Laudspeaker

Open-source multi-channel customer messaging and journey automation

Business & MarketingFreemium

Laudspeaker is an open-source customer messaging and journey automation platform for product and marketing teams to send personalized, event-triggered messages across email, SMS, push, Slack, and in-app channels. Its visual journey builder allows teams to create complex branching message sequences based on user behavior, attributes, and real-time events from data warehouses. Laudspeaker is self-hostable with a permissive license, positioning it as a transparent, privacy-preserving alternative to Braze, Iterable, and Customer.io.

Key Features

• ✓Multi-channel messaging
• ✓Journey automation
• ✓Open source
• ✓Self-hostable
• ✓Data warehouse integration
• ✓Event-triggered