can i fork it?
πŸ“Ÿ monitoring

Logz.io costs $35/mo.
These cost $0.

9 free alternatives to Logz.io, 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 Logz.io is SigNoz (Open Source Open Source). Across this category, 8 self-hostable tools are available (including SigNoz and Grafana Loki). Switching a 5-person team saves up to $2,100/year compared to Logz.io's $35/mo subscription.

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

Logz.io vs Free Alternatives

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

AlternativeTypeLicenseWhere It RunsStarsHead-to-Head
SigNozopen sourceOpen SourceSelf-hostβ˜… 32.5kLogz.io vs SigNoz β†’
Grafana Lokiopen sourceOpen SourceSelf-hostβ˜… 29.1kLogz.io vs Grafana Loki β†’
OpenObserveopen sourceAGPL-3.0Self-hostβ˜… 22.9kLogz.io vs OpenObserve β†’
Logstashopen sourceOpen SourceSelf-hostβ˜… 15kLogz.io vs Logstash β†’
HyperDXopen sourceOpen SourceSelf-hostβ˜… 10kLogz.io vs HyperDX β†’
GreptimeDBopen sourceOpen SourceSelf-hostβ˜… 6.8kLogz.io vs GreptimeDB β†’
Uptraceopen sourceAGPL-3.0Self-hostβ˜… 4.3kLogz.io vs Uptrace β†’
Mapleopen sourceOpen SourceSelf-hostβ˜… 1.9kLogz.io vs Maple β†’
Gigapipeopen sourceOpen SourceLocalβ˜… 1.7kLogz.io vs Gigapipe β†’

The picks

9 open source Β· ranked by fit

  1. 01

    SigNoz

    open sourceOpen SourceSelf-host
    32.5knov 2026

    Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

    The catch vs Logz.io

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

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/signoz/signoz 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

    Grafana Loki

    open sourceOpen SourceSelf-host
    29.1knov 2026

    Horizontally scalable, multi-tenant log aggregation system that stores and queries logs using label-based indexing instead of full-text indexing, keeping storage costs low.

    The catch vs Logz.io

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

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/grafana/loki 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
  3. 03

    OpenObserve

    open sourceAGPL-3.0Self-host
    22.9knov 2026

    Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.

    The catch vs Logz.io

    It can ingest and search logs cheaply, but you must operate storage and collectors and give up Axiom's managed serverless scaling and polished event-query experience.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Hosted signup, or a single binary/Docker container; Helm plus external services for HA
    setup
    The easy single-node path still needs collectors and persistent storage; production HA adds Kubernetes, object storage, PostgreSQL, and NATS.
    your data
    Telemetry is stored as Apache Parquet on local disk or object storage; single-node metadata defaults to SQLite, while HA uses PostgreSQL and NATS.
    checked
    2026-11-07
  4. 04

    Logstash

    open sourceOpen SourceSelf-host
    15knov 2026

    Logstash is a free and open server-side data processing pipeline that ingests data from multiple sources, transforms it, and sends it to your desired destination.

    The catch vs Logz.io

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

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/elastic/logstash 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

    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 Logz.io

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

    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
  6. 06

    GreptimeDB

    open sourceOpen SourceSelf-host
    6.8knov 2026

    Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.

    The catch vs Logz.io

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

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/greptimeteam/greptimedb 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

    Uptrace

    open sourceAGPL-3.0Self-host
    4.3knov 2026

    Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

    The catch vs Logz.io

    It is a capable OpenTelemetry APM, but it is narrower than the hosted Grafana, Prometheus, Loki, and Tempo ecosystem and carries a multi-database self-hosting burden.

    Install, platforms & data +
    platforms
    webself-hostedself-host, real ops
    install
    Hosted signup, or Docker Compose with Uptrace, ClickHouse, PostgreSQL, Redis, and an OpenTelemetry Collector
    setup
    Even the small-team Compose deployment is a multi-database stack, and production operation adds collectors, backups, TLS, retention tuning, and ordered upgrades.
    your data
    Self-hosted telemetry lives in ClickHouse, metadata in PostgreSQL, and transient cache/session data in Redis; Docker uses persistent named volumes.
    checked
    2026-11-07
  8. 08

    Maple

    open sourceOpen SourceSelf-host
    1.9knov 2026

    Observability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.

    The catch vs Logz.io

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

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/MapleTechLabs/maple 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
  9. 09

    Gigapipe

    open sourceOpen SourceLocal
    1.7knov 2026

    Unified platform for logs, metrics, traces and profiles with native compatibility for popular tools like OpenTelemetry, Prometheus, and Loki. No data silos, no usage limits.

    The catch vs Logz.io

    Community-driven open source project without dedicated enterprise SLAs.

    Install, platforms & data +
    platforms
    desktopcross-platformone-click install
    install
    Clone https://github.com/metrico/gigapipe or deploy with Docker Compose
    setup
    Download the native package or installer for your operating system.
    your data
    All application data lives locally on your own machine.
    checked
    2026-11-07

Logz.io Head-to-Head Comparisons (2027)

Side-by-side trade-off breakdowns Β· 9 free alternatives

Frequently Asked Questions

Direct answers Β· Logz.io open-source replacements

What is the best free alternative to Logz.io?+

The top free alternative to Logz.io is SigNoz (open source, Open Source). Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane. Other popular Logz.io replacements include Grafana Loki, OpenObserve, Logstash.

Can I self-host a free replacement for Logz.io?+

Yes. Of the 9 free alternatives to Logz.io, 8 can be self-hosted on your own server or local machine: SigNoz (Open Source), Grafana Loki (Open Source), OpenObserve (AGPL-3.0), Logstash (Open Source), HyperDX (Open Source), GreptimeDB (Open Source), Uptrace (AGPL-3.0), Maple (Open Source).

How much does switching from Logz.io to a free alternative save?+

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

Should I vibe-code or build my own Logz.io clone from scratch?+

Our build verdict for Logz.io is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for Logz.io or rebuilding it from scratch, deploy one of the 9 battle-tested open-source alternatives like SigNoz.

What is the catch when switching from Logz.io to SigNoz?+

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