Is Highlight.io free to use?

Yes, Highlight.io is open source under the Apache-2.0 license. You can use, modify, and distribute it freely within the terms of the license.

Can I self-host Highlight.io?

Yes, Highlight.io can be self-hosted on your own infrastructure, giving you full control over your data and deployment.

What does Highlight.io replace?

Highlight.io is an open source alternative to Sentry. It provides similar functionality while being free and community-driven.

How popular is Highlight.io?

Highlight.io has 9.2k stars on GitHub, indicating a strong and active community of users and contributors.

Highlight.io

Featured

Open source full-stack monitoring — error tracking, session replay, logging

Apache-2.0Self-hostableTypeScriptGoReactError Tracking

error-trackingsession-replayloggingmonitoring

Website GitHub Docs

Last updated: 1 month agoData may be outdated

9.2k

Stars

508

Forks

Contributors

Mar 2026

Last Commit

Project Health

80/ 100

Excellent

Replaces These Proprietary Tools

Highlight.io can be used as an alternative to these commercial products.

Sentry

Application error tracking and performance monitoring for developers

freemium

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Best Open Source Alternatives to Sentry in 2026

Compare the top open source error tracking tools — GlitchTip, Highlight.io, and self-hosted Sentry. Catch bugs without the enterprise pricing in 2026.

Free Migration Guide

SaaS to self-hosted, step-by-step — one PDF.

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