There are many alternatives to Splunk for Linux if you are looking for a replacement. The best Linux alternative is Grafana, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Splunk and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Splunk are Logstash, Datadog, Wazuh and Prometheus.
Grafana provides a powerful and elegant way to create, explore, and share dashboards and data with your team and the world.
It's not a SIEM tool. Rather, it just displays arbitrary data.
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.".
The "L" in the ELK-Stack. i. E. part of a splunk alternative
Monitor and visualize your IT and DevOps environments seamlessly with over 120 integrations, enabling real-time insight across on-premise and cloud deployments. Utilize robust analytics, graphing, and correlation tools for error logging and network monitoring. Improve collaboration and proactive IT management.
Wazuh is a free and open source platform used for threat prevention, detection, and response. It is capable of protecting workloads across on-premises, virtualized, containerized, and cloud-based environments.
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.
System / performance monitoring centric
Log aggregation, search, analysis, dashboards & alerts all in one tool. Diagnose server issues faster and on one screen.
Much much faster. Better UI overall.
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.
Goxe is a high-performance log reduction tool written in Go, designed to reduce noise in observability pipelines. It ingests logs via Syslog/UDP, normalizes and filters them, and aggregates identical or repetitive messages into a single-line format with occurrence counts.
![This screenshot shows Goxe's terminal output. It displays a 'Partial Report' where repetitive log messages (like update versions and errors) are grouped with their occurrence count (e.g., [74961] repetitions). At the bottom, it highlights the tool's high efficiency, showing a memory footprint of less than 1MB while processing large volumes of data.](https://img.alternativeto.net/s/618x394/avif/goxe_881513_full.png)
Matano is an open source security lake platform for AWS. It lets you ingest petabytes of security and log data from various sources, store and query them in a data lake, and create Python detections as code for realtime alerting.
Stackify offers the only developers-friendly cloud based solution that fully integrates application performance management (APM) with error tracking and log management.
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.
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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.