Best Log Analysis Software for Linux

Graylog turns raw log data into actionable insight. By normalizing and enriching data from every system, it helps teams analyze patterns, detect anomalies, and understand the story behind events in real time. Its intuitive search, dashboards, and AI-assisted summaries make it easy to pinpoint root causes, spot emerging issues, and validate fixes—without learning a proprietary query language or sifting through noise. Whether troubleshooting performance problems, monitoring uptime, or investigating security incidents, Graylog accelerates decision-making and reduces mean time to resolution. The result: faster insight, fewer blind spots, and more confidence that every system is performing—and protected—as expected.

With more than 50,000 customer installations across the five continents, Pandora FMS is a truly all-in-one monitoring solution, covering all traditional silos for specific monitoring: servers, networks, applications, logs, synthetic/transactional, remote control, inventory, etc. Pandora FMS gives you the agility to find and solve problems quickly, scaling them so they can be derived from any source, on-premise, multi cloud or both of them mixed. Now you have that capability across your entire IT stack and analytics to find any problem, even the ones that are hard to find. Thanks to more than 500 plugins available, you can control and manage any application and technology, from SAP, Oracle, Lotus, Citrix or Jboss to VMware, AWS, SQL Server, Redhat, Websphere, etc.

Datadog is the monitoring, security and analytics platform for developers, IT operations teams, security engineers and business users in the cloud age. Our SaaS platform integrates and automates infrastructure monitoring, application performance monitoring and log management to provide unified, real-time observability of our customers' entire technology stack. Datadog is used by organizations of all sizes and across a wide range of industries to enable digital transformation and cloud migration, drive collaboration among development, operations, security and business teams, accelerate time to market for applications, reduce time to problem resolution, secure applications and infrastructure, understand user behavior and track key business metrics.

Checkmk is a comprehensive IT monitoring system that enables system administrators, IT managers, and DevOps teams to identify issues across their entire IT infrastructure (servers, applications, networks, storage, databases, containers) and act quickly to resolve them More than 2,000 commercial customers and many more open source users worldwide use Checkmk daily. Key product features: • Service state monitoring with almost 2,000 checks 'out of the box' • Log and event-based monitoring • Metrics, dynamic graphing, and long-term storage • Comprehensive reporting incl. availability and SLAs • Flexible notifications and automated alert handling • Monitoring of business processes and complex systems • Hardware and software inventory • Graphical, rule-based configuration, and automated service discovery Top use cases: • Server Monitoring • Network Monitoring • Application Monitoring • Database Monitoring • Storage Monitoring • Cloud Monitoring • Container Monitoring

Retrospective is a desktop application for convenient and effective searching in local and distributed log files as well as log data from container platforms such as Docker and Kubernetes. Such data sources are accessed on local and/or remote computers and the log data of different format is extracted, combined and displayed in one place (the result table). Advanced features such as profile definition, data source monitoring, sorting/filtering result entries, highlighting, bookmarking, exporting etc. enable fast and robust log data exploration. Retrospective assists you in early error detection by monitoring application servers’ logs, searching for exceptions, etc. The highly optimized search engine together with the aforementioned features ensures that much precious time is saved. Being able to access all log data in one place makes log data processing incredibly efficient, thus ensuring quick and effective reactions to problems, and therefore gain customers’ trust and loyalty.

All your logs. One place. Troubleshoot errors, detect attacks, audit your users and solve compliance requirements with Trunc. Keep all your logs, easily accessible, with full-text logging search. Logs are automatically categorized, correlated and stored. Alerts and active response included.

Achieve complete security observability with powerful insights from your log data. Improve your infrastructure visibility and enhance threat prevention with a versatile multi-platform tool. With support for over 100 operating system versions and more than 120 configurable modules, gain comprehensive insights and increased security. Cut the cost of your SIEM solution by reducing noisy and unnecessary log data. Filter events, truncate unused fields, and remove duplicates to increase the quality of your logs. Collect and aggregate logs from systems across the entire breadth of your organization with a single tool. Reduce complexity in managing security-related events and decrease detection and response times. Empower your organization to meet compliance requirements by centralizing some logs in an SIEM and archiving others in your long-term storage. NXLog Platform is an on-premises solution for centralized log management, with versatile processing.

Gravwell is an all-you-can-ingest data fusion analytics platform that enables complete context and root cause analytics for security and business data. Gravwell was founded to bring the benefits of usable machine data to all customers: large or small, text or binary, security or operational. When experienced hackers and big data experts team-up you get an analytics platform capable of things never seen before. Gravwell enables security analytics that go well beyond log data into industrial processes, vehicle fleets, IT infrastructure, or everything combined. Need to hunt down a suspected access breach? Gravwell can correlate building access logs and run facial recognition machine learning against camera data to isolate multiple subjects entering a facility with a single badge-in. We exist to provide analytics capabilities to people who need more than just text log searching and need it sooner rather than later at a price they can afford.