What is Highlight.io?
Highlight.io was an open-source, full-stack monitoring platform combining session replay, error monitoring, logging and tracing. As of 27 September 2026, highlight.io, www.highlight.io and highlight.run all redirect (HTTP 301/308) to launchdarkly.com, consistent with the product being absorbed into LaunchDarkly. The GitHub repository is still active and still describes itself as an open-source monitoring platform, but the dedicated docs and marketing pages no longer resolve to Highlight-specific content.
Read the full overview
Sources checked 27 September 2026: highlight.io (redirects to launchdarkly.com), GitHub repository (active, un-archived).
Key capabilities
- Open-source repository: the highlight/highlight GitHub project remains active with session replay, error monitoring, logging and tracing code.
- No live marketing site: highlight.io and highlight.run redirect to LaunchDarkly rather than showing Highlight-specific product or pricing pages.
- Self-hosting: the open-source edition can still be self-hosted from source per the repository's instructions.
Before adopting, confirm directly with LaunchDarkly whether Highlight is maintained as a supported product, a community project, or has been merged into a different offering, since its public web presence has changed.
Treat this listing as a legacy/open-source reference rather than an active standalone vendor: the commercial highlight.io site now points to LaunchDarkly. If you need the open-source monitoring stack, evaluate it directly from the GitHub repository, and confirm with LaunchDarkly whether Highlight is still offered as a distinct product.
A vendor's own domain permanently redirecting to a different company's homepage is a strong, checkable signal of an acquisition or wind-down. This profile reflects that instead of repeating outdated positioning.
Technical details
- Access
- Self-hosted
- Source model
- Open source
- Founded
- 2022
- Headquarters
- San Francisco, USA
- Pricing model
- Open source
- API
- Available
- Website
- github.com ↗
Official resources
What to verify for your environment
Start from the users, systems and operating responsibilities the tool needs to support.
- Confirm current features, licensing and support terms with the publisher.
- Validate deployment, data location, access control, backup and recovery requirements.
- Test integrations, export paths and a representative operational workflow before committing.
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