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Highlight.io
Open-source full-stack monitoring with session replay, errors, and logs.
Overview
Highlight.io is an open-source observability platform combining session replay, error monitoring, and log management. See exactly what your users experience, debug errors with full context, and correlate frontend issues with backend logs.
Strengths
- Session replay + errors + logs in one tool
- Open source with self-hosting option
- Frontend and backend monitoring together
- Source map support for readable stack traces
Weaknesses
- Each feature is less deep than dedicated tools
- Self-hosting requires significant infrastructure
- Newer product with smaller community
- Can be resource-intensive
Pricing estimate
$500
/month
$6000/year
Free for 500 sessions/month
Quick info
- Category
- Monitoring
- Starting price
- $50/mo
- Free tier
- Yes — Free for 500 sessions/month
- Open source
- Yes
- Best for
- Any size
- Founded
- 2021
Last updated 2026-04-12
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Stay sharp
New monitoring tools, price changes, and honest takes — weekly.