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Self-hosted, open-source tools you can run on your own server.

BugBarn

Self-hosted error tracking that runs on a $5 VPS.

BugBarn is a single Go binary that receives errors from your applications, groups them into issues by fingerprint, and shows them in a web UI. It writes to SQLite and spools events to disk before processing, so ingest stays fast even under load. No external services, no per-event pricing.

  • Groups errors into issues with first/last seen timestamps and regressed status
  • Alerts, weekly digest email, and a live SSE event stream
  • Multi-project support with per-project API keys and source map upload
  • SDKs for TypeScript (Node + browser), Python, and Go
Docker·APT·Homebrew

FunnelBarn

Self-hosted web analytics and funnel tracking without the cookies.

FunnelBarn is a single Go binary that collects page views, tracks funnels, and attributes traffic to UTM campaigns — all without cookies or third-party scripts leaving your infrastructure. Sessions are fingerprinted server-side from IP and User-Agent, keeping visitor data off the client entirely.

  • Privacy-first: no cookies, server-side session fingerprinting
  • Funnel analysis and A/B test result analysis
  • UTM attribution dashboard for campaign tracking
  • SDKs for JavaScript (browser + Node.js), Python, and Go
Docker·APT·Homebrew