Open-source alternatives to OneSignal

All open-source alternatives

Dittofeed

Open-source omni-channel customer engagement and messaging automation platform

Self-host friendlyActive developmentPermissive licenseTypeScript

Why teams choose it

• Omni-channel messaging across email, SMS, push, WhatsApp, and Slack
• Visual journey builder with event-based automation and segmentation
• Self-hostable deployment with Docker or Render for data sovereignty

Watch for

Requires infrastructure management for self-hosted deployments

Migration highlight

Automated onboarding journeys

Trigger personalized email and push notification sequences when users sign up, improving activation rates with event-based messaging across channels.

Laudspeaker

Open-source customer engagement and product onboarding automation platform

Active developmentIntegration-friendlyAI-powered workflowsTypeScript

Why teams choose it

• Visual journey builder for event-triggered, multi-channel workflows
• Advanced segmentation by user attributes, actions, and campaign interactions
• Multi-channel support: push notifications, email, SMS, and webhooks

Watch for

Currently in public beta with ongoing stability improvements

Migration highlight

Product Onboarding Automation

Design multi-step onboarding journeys triggered by user signup events, sending personalized email and push sequences to drive feature adoption and reduce time-to-value.

Choosing a email marketing platforms alternative

Teams replacing OneSignal in email marketing platforms workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.

• 1 project let you self-host and keep customer data on infrastructure you control.
• 2 options are actively maintained with recent commits.

Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from OneSignal.