The best open source alternative to OpenReplay is PostHog. If that doesn't suit you, we've compiled a ranked list of other open source OpenReplay alternatives to help you find a suitable replacement. Other interesting open source alternative to OpenReplay is Trench.
OpenReplay alternatives are mainly Product Analytics but may also be Event Streaming Platforms or Stream Processing Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of OpenReplay.
All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.

PostHog is the ultimate open-source product analytics suite that empowers teams to build better products. With a comprehensive set of tools, PostHog helps you understand user behavior, optimize your product, and drive growth.
Key benefits of PostHog include:
PostHog integrates seamlessly with your tech stack, offering SDKs for various programming languages and platforms. Its user-friendly interface makes it easy for both technical and non-technical team members to access valuable insights.
Whether you're a startup or an enterprise, PostHog scales with your needs, providing the tools to understand your users, iterate quickly, and build products people love. Join thousands of companies already using PostHog to drive their product decisions and stay ahead in today's competitive market.
Open source analytics platform built on ClickHouse and Kafka, offering high-speed event tracking and real-time querying capabilities.

Trench is an open-source analytics infrastructure that combines the power of ClickHouse and Kafka to deliver fast, scalable event tracking solutions. Built for high performance and compliance, Trench offers:
Trench is backed by Y Combinator and maintained by a team with experience at scale from companies like LinkedIn, Microsoft, and Discord.
Whether you choose to self-host or use Trench Cloud, you can set up powerful, scalable tracking in less than 15 minutes.
Key features of Trench Cloud:
For those preferring self-hosting, Trench Open Source offers: