Open Source Splunk Alternatives

    The best open source alternative to Splunk is Grafana, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Splunk and 15 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Splunk are Prometheus (Free, Open Source), Graylog (Free, Open Source), Logstash (Freemium, Open Source) and Graphite (Free, Open Source).

    This page was last updated Jun 7, 2021

      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • BSD
      • Self-Hosted
      • Cloudron
      • Node.JS
      Grafana provides a powerful and elegant way to create, explore, and share dashboards and data with your team and the world.
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      Grafana vs Splunk opinions
      Some users think Grafana is a great alternative to Splunk, some don't.
      Grafana is NOT a log monitor. It is only a graphing solution for logs and metrics from many different data sources but you will need solutions to get those logs and metrics in the first place.
      Negative comment over 3 years ago

      11
      It's not a SIEM tool. Rather, it just displays arbitrary data.
      Negative comment about 2 years ago

      -4
    1. Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community.
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      Prometheus vs Splunk opinions
      pros, cons and recent comments
      System / performance monitoring centric
      Negative comment almost 2 years ago

      1


      • FreeOpen Source
      • Mac
      • Linux
      • Self-Hosted
      • Java
      Graylog is an open source syslog implementation that stores your logs in Elasticsearch. It consists of a server and web interface written in Java that accepts your syslog messages via TCP or UDP (or GELF messages) and stores it in the database.
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      Graylog vs Splunk opinions
      Most users think Graylog is a great alternative to Splunk.
      Pretty easy to setup once you figure out the log capture scripts. Then it's very powerful and realiable.
      Positive comment 11 months ago

      0
      freeware with good documentation
      Positive comment about 1 year ago

      0
      • FreemiumOpen Source
      • Linux
      • Java Mobile
      • BSD
      Logstash is an open source, server-side data processing pipeline that ingests data from a multitude of sources simultaneously, transforms it, and then sends it to your favorite "stash.".
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      Logstash vs Splunk opinions
      Some users think Logstash is a great alternative to Splunk, some don't.
      The "L" in the ELK-Stack. i. E. part of a splunk alternative
      Positive comment almost 2 years ago

      0
      • FreeOpen Source
      • Mac
      • Linux
      • Python
      • fontconfig
      • Django
      Graphite is a highly scalable real-time graphing system.
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    2. Fluentd is a fully free and open-source log management tool that simplifies your data collection and storage pipeline. It eliminates the need to maintain a set of ad-hoc scripts.
      • FreeOpen Source
      • Linux
      • Self-Hosted
      A very powerful and well documented open source SIEM with options to purchase support packages.
    3. Flink’s core is a streaming dataflow engine that provides data distribution, communication, and fault tolerance for distributed computations over data streams.
      No screenshots yet
      • FreeOpen Source
      • Linux
      Prelude is a Universal Security Information & Event Management (SIEM) system. It collects, normalizes, sorts, aggregates, correlates and reports all security-related events independently of the product brand or license giving rise to such events.
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • BSD
      • Self-Hosted
      Loki is a horizontally-scalable, highly-available, multi-tenant log aggregation system inspired by Prometheus. It is designed to be very cost effective and easy to operate. It does not index the contents of the logs, but rather a set of labels for each log stream.
      No screenshots yet
    Showing 10 of 15 alternatives