“Our main tool to watch session recordings and debug our application.”
Error MonitoringMaker says so · source ↗Highlight
Open-source monitoring with session replay, error tracking, logs and traces; the hosted service has shut down and moved into LaunchDarkly.
Shut down / archived · Feb 2026: LaunchDarkly acquired Highlight in April 2025 and shut down the hosted highlight.io service on February 28, 2026, moving customers to LaunchDarkly Observability; highlight.io now redirects to launchdarkly.com. The open-source repo is still on GitHub. Source ↗
Works with AI agents:llms.txtWhere it fits
Who uses it
2 makers' products, each linked to the source that shows it, and 1 open-source projects that declare it in their code.
“Allowed us to gather errors and debug easily thanks to their sessions mechanism during our beta test 💪”
Error MonitoringMaker says so · source ↗Open source: a project that declares Highlight as a dependency in its public code — verifiable, but not necessarily a live product.
What makers say
2 makers on why they use Highlight, in their own words on Product Hunt.
Allowed us to gather errors and debug easily thanks to their sessions mechanism during our beta test 💪
Our main tool to watch session recordings and debug our application.
Reliability and open issues
- minor Flag delivery errors in Streaming API Aug 2026
- minor Email delivery failure affecting sign-up verification and notification emails Aug 2026
- minor Flag Updates via Polling API delayed Aug 2026
Alternatives to Highlight
All alternatives by situation →On Product Hunt, people weigh it against: Sentry.