can i fork it?
πŸ“Š analytics

Raygun costs $35/mo.
These cost $0.

7 free alternatives to Raygun, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.

⚑ Quick Verdict · 2027 Guide

The top-rated free, open-source replacement for Raygun is Sentry (Open Source Open Source). Across this category, 7 self-hostable tools are available (including Sentry and OpenReplay). Switching a 5-person team saves up to $2,100/year compared to Raygun's $35/mo subscription.

The catch: Requires self-hosting setup, updates, and server maintenance compared to managed LogRocket.

Raygun vs Free Alternatives

Quick side-by-side comparison Β· $0/mo vs $35/mo

AlternativeTypeLicenseWhere It RunsStarsHead-to-Head
Sentryopen sourceOpen SourceSelf-hostβ˜… 45.7kRaygun vs Sentry β†’
OpenReplayopen sourceAGPL-3.0Self-hostβ˜… 13.1kRaygun vs OpenReplay β†’
HyperDXopen sourceOpen SourceSelf-hostβ˜… 10kRaygun vs HyperDX β†’
Highlightopen sourceOpen SourceSelf-hostβ˜… 9.4kRaygun vs Highlight β†’
Bugsinkopen sourceOpen SourceSelf-hostβ˜… 2.2kRaygun vs Bugsink β†’
Tempsopen sourceOpen SourceSelf-hostβ˜… 904Raygun vs Temps β†’
GlitchTipopen sourceOpen SourceSelf-hostβ˜… 170Raygun vs GlitchTip β†’

The picks

7 open source Β· ranked by fit

  1. 01

    Sentry

    open sourceOpen SourceSelf-host
    45.7knov 2026

    Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.

    The catch vs Raygun

    Requires self-hosting setup, updates, and server maintenance compared to managed LogRocket.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/getsentry/sentry or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  2. 02

    OpenReplay

    open sourceAGPL-3.0Self-host
    13.1knov 2026

    Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.

    The catch vs Raygun

    It is developer-debugging-first, harder to operate and weaker for turnkey form analytics, feedback and UX-research workflows.

    Install, platforms & data +
    platforms
    mobilewebself-hostedself-host, real ops
    install
    Create a hosted account or deploy to a public Ubuntu 24.04 server with the CLI or Helm; Docker Compose is experimental
    setup
    Free self-hosting needs a public x86 Ubuntu server, domain and TLS, with at least about 2 vCPU, 8 GB RAM and 50 GB storage
    engines
    The cloud product has AI summaries and natural-language querying, but its documentation does not identify the base model and the self-hosted edition does not include the cloud AI suite
    your data
    Replay and telemetry data live in the deployment's databases and object storage, or in OpenReplay's managed cloud when using the hosted service
    checked
    2026-11-07
  3. 03

    HyperDX

    open sourceOpen SourceSelf-host
    10knov 2026

    Open source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.

    The catch vs Raygun

    Requires self-hosting setup, updates, and server maintenance compared to managed Raygun.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/hyperdxio/hyperdx or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  4. 04

    Highlight

    open sourceOpen SourceSelf-host
    9.4knov 2026

    Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

    The catch vs Raygun

    Requires self-hosting setup, updates, and server maintenance compared to managed Raygun.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/highlight/highlight or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  5. 05

    Bugsink

    open sourceOpen SourceSelf-host
    2.2knov 2026

    Bugsink offers real-time error tracking with self-hosting capabilities, allowing easy installation and connection to any app using Sentry-compatible SDKs.

    The catch vs Raygun

    Requires self-hosting setup, updates, and server maintenance compared to managed Raygun.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/bugsink/bugsink/ or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  6. 06

    Temps

    open sourceOpen SourceSelf-host
    904nov 2026

    Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.

    The catch vs Raygun

    Requires self-hosting setup, updates, and server maintenance compared to managed Raygun.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/gotempsh/temps or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  7. 07

    GlitchTip

    open sourceOpen SourceSelf-host
    170nov 2026

    Self-hostable error tracking platform compatible with Sentry SDKs. Tracks exceptions, monitors performance, checks uptime, and collects logs without the Sentry price tag.

    The catch vs Raygun

    Requires self-hosting setup, updates, and server maintenance compared to managed Raygun.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://gitlab.com/glitchtip/glitchtip or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07

Raygun Head-to-Head Comparisons (2027)

Side-by-side trade-off breakdowns Β· 7 free alternatives

Frequently Asked Questions

Direct answers Β· Raygun open-source replacements

What is the best free alternative to Raygun?+

The top free alternative to Raygun is Sentry (open source, Open Source). Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management. Other popular Raygun replacements include OpenReplay, HyperDX, Highlight.

Can I self-host a free replacement for Raygun?+

Yes. Of the 7 free alternatives to Raygun, 7 can be self-hosted on your own server or local machine: Sentry (Open Source), OpenReplay (AGPL-3.0), HyperDX (Open Source), Highlight (Open Source), Bugsink (Open Source), Temps (Open Source), GlitchTip (Open Source).

How much does switching from Raygun to a free alternative save?+

Raygun starts at $35/month per seat ($420/year). Switching a 5-person team to a free alternative like Sentry saves $2,100 per year in software subscription fees.

Should I vibe-code or build my own Raygun clone from scratch?+

Our build verdict for Raygun is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for Raygun or rebuilding it from scratch, deploy one of the 7 battle-tested open-source alternatives like Sentry.

What is the catch when switching from Raygun to Sentry?+

Requires self-hosting setup, updates, and server maintenance compared to managed LogRocket.