A fancy self-hosted monitoring tool with incident status pages
Top open-source alternative to Sentry / Datadog APM
Highlight.io is the open-source monitoring platform that connects frontend DOM session replay directly to backend stack traces, distributed OpenTelemetry spans, and structured logs.
Tech StackGo, TypeScript, React, ClickHouse, Kafka
Self-Host DifficultyMedium
License ModelApache-2.0
GitHub Repositoryhighlight/highlight
Recommended VPS & Hardware Sizing
Estimated Hosting: $10 - $15/mo (e.g. Hetzner CPX21 or Linode)Min RAM:2 GB
Rec RAM:4 GB
Compute:2 vCPU
Disk Space:25 GB SSD
Highlight.io vs Sentry / Datadog APM Comparison Matrix
| Evaluation Criteria | Highlight.io (Open Source) | Sentry / Datadog APM (Proprietary) |
|---|---|---|
| Subscription Model | 100% Free Self-Hosted (Unlimited Users) | Sentry / Datadog APM Per-Seat / Usage Billing |
| Data Sovereignty | 100% On-Premise / Your Own VPS | Stored on Sentry / Datadog APM Proprietary Cloud |
| Source Code Audit | Open-Source (Apache-2.0) | Closed-Source Proprietary Blackbox |
INTERACTIVE TCO MODELEstimated Rate: $53/user/mo
Financial Impact: Migrating from Sentry / Datadog APM to Self-Hosted Highlight.io
5 Users (Early Startup)50 Users (Scaleup)200 Users (Enterprise Org)
Sentry / Datadog APM (Cloud SaaS)Per-Seat Tax
$15,900per year ($1,325/mo)
3-Year Spend:$47,700
* Excludes enterprise SSO add-ons & usage overages
Highlight.io (Self-Hosted)Zero Per-Seat Fee
$120per year ($10/mo Linux VPS)
3-Year Compute:$360
* Commodity Hetzner / DigitalOcean compute instance
Cumulative 3-Year ROI+$47,340Net savings across 36 months (99% reduction)
Annual Free Cash:+$15,780/yr
Need C-Level Buy-In? Generate an instant ROI proposal memo to present to your CTO or CFO.
HEAD-TO-HEAD BATTLES // SIDE-BY-SIDE AUDIT
Custom Comparison Engine →Compare Highlight.io Head-to-Head
★ PRIMARY REPLACEMENTFOSS vs SaaS
Comprehensive benchmark comparing Highlight.io against proprietary Sentry / Datadog APM licensing and features.
View Full Battle Report→
MonitoringPEER BENCHMARK
External Service Uptime Pings vs Realtime Host System Metrics
Inspect Comparison→
MonitoringPEER BENCHMARK
Custom Analytical Dashboard Builder vs Out-of-the-Box Server Telemetry
Inspect Comparison→
MonitoringPEER BENCHMARK
Native OpenTelemetry APM, Traces & Logs vs Datadog Host & Custom Metric Bills
Inspect Comparison→
MonitoringPEER BENCHMARK
Unlimited Website Change Detection vs Visualping Quota Invoices
Inspect Comparison→
MonitoringPEER BENCHMARK
Rust & Object Storage Observability (140x Cheaper) vs Datadog Cloud Invoices
Inspect Comparison→
Core Capabilities & Features
✓Pixel-Accurate User Session Replay
✓Automated JS/Python/Go Error Grouping
✓ClickHouse High-Speed Log Analytics
✓Permissive Apache-2.0 License
Self-Host Highlight.io with Docker Compose
Tweak configuration ports, secrets, and volumes live. Download or copy your ready-to-run container file:
1-Click Docker Compose Generator
Generate production-ready container definitions with customizable ports and volumes.
Highlight.ioApache-2.0
Open-source full-stack session replay, error monitoring, and logging
Difficulty: Medium9,383 ⭐
Configure Parameters
docker-compose.highlight-io.yml
version: "3.8"
services:
highlight-io:
image: ghcr.io/highlight/highlight-frontend:latest
container_name: highlight-io
restart: unless-stopped
ports:
- "${PORT:-3000}:3000"
environment:
APP_URL: "${APP_URL:-http://localhost:3000}"
SECRET_KEY: "${SECRET_KEY:-ossmatrix_prod_secret_2026}"
volumes:
- highlight_io_data:/data
volumes:
highlight_io_data:Frequently Asked Questions: Self-Hosting Highlight.io
How do I self-host Highlight.io using Docker Compose?
You can deploy Highlight.io (highlight/highlight) on any Linux server by copying the docker-compose.yml template on this page, configuring your desired host port and persistent volume directory, and running 'docker compose up -d'.
How does Highlight.io compare to Sentry / Datadog APM?
Highlight.io is an open-source, self-hosted alternative to Sentry / Datadog APM built with Go, TypeScript, React, ClickHouse, Kafka. Unlike Sentry / Datadog APM ($26 - $80+ / member / month + data ingestion spikes), Highlight.io has zero per-user licensing fees and keeps 100% of your data on your own infrastructure.
What are the minimum VPS RAM and CPU requirements for Highlight.io?
For production self-hosting (Medium difficulty tier), we recommend at least 4 GB RAM (minimum 2 GB), 2 vCPU, and 25 GB SSD storage, which typically costs $10 - $15/mo (e.g. Hetzner CPX21 or Linode).
Is Highlight.io free for commercial business use under the Apache-2.0 license?
Yes. Distributed under the Apache-2.0 license, Highlight.io can be self-hosted internally by businesses and engineering teams of any size without per-seat royalties.
README INTEGRATION // REPO EMBED
Embed Official Highlight.io Badge in GitHub README
Served locally from OSSMatrix with Cloudflare global edge caching. Real-time verified alternative status, zero third-party dependencies, sub-5ms load time.
Live Preview:
Markdown Embed (GitHub / GitLab)
[](https://ossmatrix.com/project/highlight-io)HTML Embed (Docs / Landing Pages)
<a href="https://ossmatrix.com/project/highlight-io" target="_blank" rel="noopener noreferrer"><img src="https://ossmatrix.com/api/badge/highlight-io" alt="Highlight.io on OSSMatrix" /></a>SIMILAR REPOSITORIES // PEER COMPARISON
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