Highlight.io

Highlight.io provides full-stack observability in one open-source platform. Session replay, error tracking, and logging unified—understand what happened in your frontend and backend together.

Key Features:

• Session Replay - Watch user sessions with console and network
• Error Monitoring - Track exceptions across frontend and backend
• Logging - Centralized logs with powerful search
• Tracing - Distributed tracing for performance issues

Why Highlight:

• Open Source - Self-host or use cloud, no lock-in
• Unified Platform - Correlate frontend errors with backend logs
• Developer Focused - Built by developers for developers
• Fair Pricing - Usage-based without gotchas

Highlight capabilities:

• Alerts - Get notified about issues that matter
• AI Error Summaries - Understand errors at a glance
• Sourcemaps - Readable stack traces in production
• Team Features - Collaborate on debugging

Highlight is compelling for teams who want the functionality of multiple monitoring tools without the complexity of integrating them. The unified view across frontend, backend, and logs makes debugging significantly faster.