Open Source Splunk Alternatives

The best open source alternative to Splunk is Grafana. If that doesn't suit you, our users have ranked more than 50 alternatives to Splunk and 18 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Splunk are Prometheus, Graylog, Wazuh and Logstash.

Splunk alternatives are mainly Web Log Analyzers but may also be Log Management Tools or Log Analyzers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Splunk.

Splunk alternatives page was last updated

Splunk

Freemium • Proprietary

Splunk is software that provides unique visibility across your entire IT infrastructure from one place in real time. Only...

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Grafana
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
BSD
Self-Hosted
Cloudron
Node.JS
48 Grafana alternatives
Grafana provides a powerful and elegant way to create, explore, and share dashboards and data with your team and the world.
- - Grafana is the most popular Windows, Mac, Linux & Self-Hosted alternative to Splunk.
- - Grafana is the most popular Open Source & free alternative to Splunk.
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Grafana Features
Web-Based
Metrics
Hardware Monitoring
Web interface
CPU Monitoring
Dashboard
Data visualization
Comments about Grafana as a Alternative to Splunk
Some users think Grafana is a great Splunk alternative, some don't.
Guest
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•
11

Guest
It's not a SIEM tool. Rather, it just displays arbitrary data.
Negative comment•
-2
Prometheus
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
Cloudron
64 Prometheus alternatives
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.
Suggest and vote on features
Prometheus Features
Performance Monitoring
Hardware Monitoring
Log storage
Metrics
Data monitoring
Comments about Prometheus as a Alternative to Splunk
pros, cons and recent comments
Guest
System / performance monitoring centric
Negative comment•
2
Graylog
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
Linux
Self-Hosted
Java
57 Graylog alternatives
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.
Suggest and vote on features
Graylog Features
Log Indexing
Logging
Comments about Graylog as a Alternative to Splunk
Most users think Graylog is a great Splunk alternative.
Guest
Pretty easy to setup once you figure out the log capture scripts. Then it's very powerful and realiable.
Positive comment•
0

Guest
freeware with good documentation
Positive comment•
0
Wazuh
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
Online
15 Wazuh alternatives
WAZUH contributes to Open Source Security extending capabilities and functionality through the integration of new modules, resulting an extremely powerful host IDS. Find how OSSEC helps with PCI DSS compliance, protect your cloud environment or just secure your system.
Suggest and vote on features
Wazuh Features
1. Ad-freeWazuh doesn't contain any form of external advertising.
2. No registration requiredYou can use most of the features in Wazuh without registration.
Security focused
Integration with SIEM
Data visualization
Event management
Vulnerability management
Logstash
Is this is a good alternative?
Yes
No
Free • Open Source
Linux
Java Mobile
BSD
57 Logstash alternatives
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.".
Suggest and vote on features
Logstash Features
Data-management
Ruby
Log storage
Comments about Logstash as a Alternative to Splunk
Some users think Logstash is a great Splunk alternative, some don't.
Guest
The "L" in the ELK-Stack. i. E. part of a splunk alternative
Positive comment•
0
Fluentd
Is this is a good alternative?
Yes
No
Free • Open Source
Web Log Analyzer
Mac
Linux
37 Fluentd alternatives
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.
Suggest and vote on features
Fluentd Features
Ruby
Opinions about Fluentd as a Alternative to Splunk
This alternative is disputed. Fluentd is still a legitimate Splunk alternative, but it might have issues that some users think are important.
Grafana Loki
Is this is a good alternative?
Yes
No
Free • Open Source
Web Log Analyzer
Log Management Tool
Mac
Windows
Linux
BSD
Self-Hosted
56 Grafana Loki alternatives
Grafana 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.
Suggest and vote on features
Grafana Loki Features
Grafana Integration
Apache Flink
Is this is a good alternative?
Yes
No
Free • Open Source
Cloud Computing Service
Mac
Windows
Linux
BSD
13 Apache Flink alternatives
Flink’s core is a streaming dataflow engine that provides data distribution, communication, and fault tolerance for distributed computations over data streams.
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Apache Flink Features
Data analytics
Streaming
HyperDX
Is this is a good alternative?
Yes
No
Freemium • Open Source
Software as a Service (SaaS)
Self-Hosted
Docker
52 HyperDX alternatives
HyperDX helps engineers figure out why production is broken faster by centralizing and correlating logs, metrics, traces, exceptions and session replays in one place. An open source and developer-friendly alternative to Datadog and New Relic.
Suggest and vote on features
HyperDX Features
Application Monitoring
Metrics
Graphite Monitoring
Is this is a good alternative?
Yes
No
Free • Open Source
Mac
Linux
Python
Django
62 Graphite Monitoring alternatives
Graphite is a highly scalable real-time graphing system. As a user, you write an application that collects numeric time-series data that you are interested in graphing, and send it to Graphite's processing backend, carbon, which stores the data in Graphite's specialized...
Graphite Monitoring has no features, suggest some!
Netflix Stethoscope
Is this is a good alternative?
Yes
No
Free • Open Source
Self-Hosted
8 Netflix Stethoscope alternatives
Stethoscope is a personalized security recommendation tool made by Netflix for employees.
Netflix Stethoscope has no features, suggest some!
Prelude
Is this is a good alternative?
Yes
No
Free • Open Source
Linux
5 Prelude alternatives
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.
Prelude has no features, suggest some!