What is Highlight.io?
Highlight.io (devops): Open source session replay and monitoring. Highlight.io is an open-source fullstack monitoring platform that combines session replay, error monitoring, log management, and distributed tracing in a single tool. Built on OpenTelemetry and ClickHouse, it lets developers see exactly what users experienced when an error occurred by replaying browser sessions alongside backend logs and traces. Key capabilities: Session replay with console, network, and user interaction recording, Error monitoring with AI-powered grouping and alerting, Log management with full-text search and custom alerts, Distributed tracing for request performance analysis, Custom dashboards and APM visualizations. Highlight.io ships a free plan plus paid tiers that unlock as usage grows. Buyers most often compare Highlight.io against Datadog, Sentry, New Relic.
TL;DR - Highlight.io
- Open-source fullstack monitoring with session replay, error tracking, logs, and distributed tracing
- Built on OpenTelemetry and ClickHouse with cloud-hosted and self-hosted deployment options
- Free tier with 500 sessions/month; pay-as-you-go from $50/month
Pricing: Free plan available
Best for: Growing teams
4.6/5 across review platforms
Pros & Cons
Pros
- Open-source with self-hosting option eliminates vendor lock-in
- Unified platform covers sessions, errors, logs, and traces
- Generous free tier with 500 sessions/month
- Built on OpenTelemetry standards for portability
- Session replay shows exactly what users experienced during errors
- Compliance-ready for regulated industries (SOC 2, HIPAA)
Cons
- Pay-as-you-go pricing can be unpredictable at scale
- Self-hosted option requires $3,000/month minimum
- Smaller community and ecosystem compared to Datadog or Sentry
- Dashboard customization is still maturing
- Documentation gaps for less common frameworks
Ratings Across the Web
4.6(29 reviews)
Ratings aggregated from independent review platforms. Learn more
Preview
Key Features
Session replay with console, network, and user interaction recordingError monitoring with AI-powered grouping and alertingLog management with full-text search and custom alertsDistributed tracing for request performance analysisCustom dashboards and APM visualizationsOpenTelemetry-native data collectionSelf-hosting option via Docker deploymentSOC 2, HIPAA, and ISO compliance supportFramework SDKs for React, Next.js, Vue, Node, Go, and moreIntegration with issue trackers, support tools, and analytics platforms
Pricing
Freemium
Highlight.io offers a generous free tier with optional paid upgrades for advanced features.
About Highlight.io
By Toolradar Team·
Highlight.io is an open-source fullstack monitoring platform that combines session replay, error monitoring, log management, and distributed tracing in a single tool. Built on OpenTelemetry and ClickHouse, it lets developers see exactly what users experienced when an error occurred by replaying browser sessions alongside backend logs and traces. Highlight supports React, Next.js, Angular, Vue, Node, Rails, Go, and other frameworks. It offers both cloud-hosted and self-hosted deployment options with SOC 2, HIPAA, and ISO compliance, making it suitable for teams that need observability without vendor lock-in.
Reviews
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Highlight.io FAQ
What is Highlight.io?
Highlight.io is an open-source fullstack monitoring platform that combines session replay, error monitoring, log management, and distributed tracing. It helps developers understand and debug production issues by connecting user sessions to backend errors, logs, and performance traces.
Is Highlight.io free?
Yes, Highlight.io offers a free tier with 500 sessions/month, 1,000 errors/month, and 1 million log messages/month. Paid plans start at $50/month with usage-based billing for additional volume.
Can I self-host Highlight.io?
Yes, Highlight.io is open-source and offers a Docker-based self-hosted deployment option. The self-hosted enterprise plan starts at $3,000/month billed annually, giving organizations complete control over their monitoring data.
How does Highlight.io compare to Datadog or Sentry?
Highlight.io differentiates through its open-source model, unified session replay plus backend monitoring, and OpenTelemetry-native architecture. It is more affordable at smaller scales and avoids vendor lock-in, though it has a smaller ecosystem than Datadog and less mature error tracking than Sentry.
What frameworks does Highlight.io support?
Highlight.io provides SDKs for React, Next.js, Angular, Vue, Svelte, Node.js, Express, Rails, Go, Python, Java, and other popular frameworks. Its OpenTelemetry foundation means any OTel-compatible service can send data to Highlight.
Source: highlight.io