Open source log management that actually works.

Search, analysis and alerting across all of your log files.

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Make logging great again

All your logs in one place

Centralize and aggregate all your log files for 100% visibility. Use our powerful query language to search through terabytes of log data to discover and analyze important information.

Tear down the walls

Democratize your log data

Eliminate the information bottleneck between your teams. Give everyone secure access to the real-time data when they need it to collaborate effectively while maintaining compliance.

Ingest and enrich all your data

Message processing pipeline

It's easy to parse and enrich logs from any data source using Graylog's flexible processing engine. Reuse code and simplify rule management by composing stages in named pipelines. Add your own enrichment and parsing functions for additional flexibility.

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rule "check_ip_whitelist"
when lut_contains("ip_whitelist", message.remote_ip)

pipeline "cisco"
stage 1 when
    rule "check_ip_whitelist" AND
    rule "cisco_device"
stage 2 when
    rule "parse_time" AND
    rule "extract" OR
    rule "lookup_ips"

$ curl -XGET ''

  "messages": [
      "message": {
        "_id": "17719d41-bbd8-11e5-bddd-fefe99719632",
        "source": "",
        "timestamp": "2016-01-15T22:34:08.532Z",
        "message": "GET /posts [200] 72ms",
        "resource": "/posts",
        "http_method": "GET",
        "http_response_code": 200,
        "milliseconds": 72,
        "controller": "PostsController",
        "action": "index",
        "user_id": 6469981
Full control and access


Both configuration settings and log data are available through the Graylog REST API. Integrate Graylog seamlessly into your evolving architecture, and build your own reports and analysis.

The REST API is the only dependency of our web interface, so high quality and completeness is guaranteed.

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Learn Graylog

Everything you need to know about architecting, installing and running Graylog. Learn core concepts like streams and extractors or advanced topics like high availability. Enough said, you know what this is for.

Extend Graylog

Need to extend the functionality of Graylog to meet your specific objectives? Plug-ins enable easy integration with other systems. Graylog Marketplace is the central repository of integrations, content packs and more.
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Trusted by leading companies

Gameforge: "Using Graylog, we are able to provide a better user experience for our gamers. Our reaction time is much faster than before, and our players experience less outages and other error-related problems."
Ochsner Health System: "Graylog is a company that understands the importance of log management and they ‘get it’ when it comes to doing log management correctly. The product is well thought out and well executed."
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