Best Free Log Monitoring Tools
View:
Compare the Top Free Log Monitoring Tools as of July 2025
Sort By:
What are Free Log Monitoring Tools?
Log monitoring tools are software tools designed to collect, analyze, and track log data generated by systems, applications, and networks in real-time. They help organizations detect anomalies, performance issues, and security threats by providing insights into operational events and system behaviors. These tools often feature alerting mechanisms that notify administrators of potential issues, ensuring rapid response and minimizing downtime. By aggregating logs from multiple sources, log monitoring tools simplify troubleshooting and provide a centralized view of system health. They are essential for maintaining system reliability, compliance, and proactive problem management in IT environments. Compare and read user reviews of the best Free Log Monitoring tools currently available using the table below. This list is updated regularly.
-
1
Blumira
Blumira
Empower Your Current Team to Achieve Enterprise-Level Security An all-in-one solution with SIEM, endpoint visibility, 24/7 monitoring, and automated response to reduce complexity, increase visibility and speed up time to respond. We handle the security heavy lifting, so you get time back in your day. With out-of-the-box detections, pre-filtered alerts, and response playbooks, IT teams can achieve real security value with Blumira. Quick Deployment, Immediate Results: Integrates with your tech stack and fully deploy, with no warm-up period, in hours All-You-Can-Eat Data Ingest: Predictable pricing and with unlimited data logging for full-lifecycle detection Compliance Made Easy: 1 year data retention included, pre-built reports, and 24/7 automated monitoring 99.7% CSAT Support: Solution Architects for product support, the Incident Detection and Response Team creating new detections, and 24/7 SecOps supportStarting Price: Free -
2
groundcover
groundcover
Cloud-based observability solution that helps businesses track and manage workload and performance on a unified dashboard. Monitor everything you run in your cloud without compromising on cost, granularity, or scale. groundcover is a full stack cloud-native APM platform designed to make observability effortless so that you can focus on building world-class products. By leveraging our proprietary sensor, groundcover unlocks unprecedented granularity on all your applications, eliminating the need for costly code changes and development cycles to ensure monitoring continuity. 100% visibility, all the time. Cover your entire Kubernetes stack instantly, with no code changes using the superpowers of eBPF instrumentation. Take control of your data, all in-cloud. groundcover’s unique inCloud architecture keeps your data private, secured and under your control without ever leaving your cloud premises.Starting Price: $20/month/node -
3
Pandora FMS
Pandora FMS
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.Starting Price: €90/month -
4
Sematext Cloud
Sematext Group
Sematext Cloud is an innovative, unified platform with all-in-one solution for infrastructure monitoring, application performance monitoring, log management, real user monitoring, and synthetic monitoring to provide unified, real-time observability of your entire technology stack. It's used by organizations of all sizes and across a wide range of industries, with the goal of driving collaboration between engineering and business teams, reducing the time of root-cause analysis, understanding user behaviour and tracking key business metrics. The main capabilities range from log monitoring to APM, server monitoring, database monitoring, network monitoring, uptime monitoring, website monitoring or container monitoring Find complete details on our website. Or better: start a free demo, no email address required.Starting Price: $0 -
5
Netdata
Netdata, Inc.
The open-source observability platform everyone needs! Netdata collects metrics per second and presents them in beautiful low-latency dashboards. It is designed to run on all of your physical and virtual servers, cloud deployments, Kubernetes clusters, and edge/IoT devices, to monitor your systems, containers, and applications. It scales nicely from just a single server to thousands of servers, even in complex multi/mixed/hybrid cloud environments, and given enough disk space it can keep your metrics for years. KEY FEATURES: 💥 Collects metrics from 800+ integrations 💪 Real-Time, Low-Latency, High-Resolution 😶🌫️ Unsupervised Anomaly Detection 🔥 Powerful Visualization 🔔 Out of box Alerts 📖 systemd Journal Logs Explorer 😎 Low Maintenance ⭐ Open and Extensible Try Netdata today and feel the pulse of your infrastructure, with high-resolution metrics, journal logs and real-time visualizations.Starting Price: Free -
6
Better Stack
Better Stack
Better Stack is a unified observability tool that helps you ship better software, faster. Schedule on-call rotations, receive actionable alerts, and resolve incidents with ease. Better Stack brings together incident management, uptime monitoring, status pages, log management, and infrastructure monitoring – all in one place. Built for speed and scale, it combines multiple monitoring and alerting workflows into a single, powerful interface that boosts visibility and slashes response times. Key features include an OpenTelemetry-native Kubernetes collector powered by eBPF, real-time alerting, and collaborative dashboards. Under the hood, Better Stack runs on ClickHouse, enabling lightning-fast queries and scalable ingestion across high-cardinality datasets. You can visualize your entire stack, turn all your logs into structured data, and query everything with SQL – as if it were a single database. Seamlessly integrates into your workflow with 100+ integrations.Starting Price: $29 per month -
7
Checkmk
Checkmk
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 MonitoringStarting Price: $0/year -
8
Sumo Logic
Sumo Logic
Sumo Logic offers a cloud solution for log management and metrics monitoring for IT and security teams of organizations of all sizes. Faster troubleshooting with integrated logs, metrics and traces. One platform. Many use cases. Increase your troubleshooting effectiveness. Sumo Logic helps you reduce downtime and move from reactive to proactive monitoring with cloud-based modern analytics powered by machine learning. Quickly detect Indicators of Compromise (IoCs), accelerate investigation, and ensure compliance using Sumo Logic Security Analytics. Enable data-driven business decisions and predict and analyze customer behavior using Sumo Logic’s real-time analytics platform. The Sumo Logic platform helps you make data-driven decisions and reduce the time to investigate security and operational issues so you can free up resources for more important activities.Starting Price: $270.00 per month -
9
WebSitePulse
WebSitePulse
WebSitePulse provides independent, remote monitoring of your web assets. Some of the most used services are uptime monitoring, website monitoring, server monitoring, web transaction monitoring.Starting Price: Free -
10
Graylog
Graylog
Built on the Graylog Platform, Graylog Security is the industry’s best-of-breed threat detection, investigation, and response (TDIR) solution. It simplifies analysts’ day-to-day cybersecurity activities with an unmatched workflow and user experience while simultaneously providing short- and long-term budget flexibility in the form of low total cost of ownership (TCO) that CISOs covet. With Graylog Security, security analysts can: 1. Decrease risk and metrics like mean time to detect (MTTD) by aligning threat detection coverage to meet your security objectives 2. Reduce TCO with native data routing and data tiering functionality 3. Reduce key metrics like mean time to respond (MTTR) by quickly resolving the alerts that matter. Graylog Security is a robust, scalable solution that empowers analysts to detect and respond to cybersecurity threats efficiently. With integrated SOAR functionality, it automates repetitive tasks, orchestrates workflows, and accelerates incident response.Starting Price: $1550/month (10GB per day) -
11
SolarWinds Loggly
SolarWinds
SolarWinds® Loggly® is a cost-effective, hosted, and scalable full-stack, multi-source log management solution combining powerful search and analytics with comprehensive alerting, dashboarding, and reporting to proactively identify problems and significantly reduce Mean Time to Repair (MTTR). LOGGLY AT A GLANCE » Full-stack, multi-source log aggregation, log monitoring, and data analytics » Log analytics show events in context, highlight patterns, and detect anomalies for deeper insights » Highly scalable to ingest massive data volumes and help enable quick searching across large and complex environments » Spot usage patterns with application, service, and infrastructure-aligned historical analysis of user, log, and infrastructure data » Manage by exception by identifying variations from normal with powerful log formatting and analytic search capabilitiesStarting Price: Free -
12
VirtualMetric
VirtualMetric
VirtualMetric is a powerful telemetry pipeline solution designed to enhance data collection, processing, and security monitoring across enterprise environments. Its core offering, DataStream, automatically collects and transforms security logs from a wide range of systems such as Windows, Linux, MacOS, and Unix, enriching data for further analysis. By reducing data volume and filtering out non-meaningful logs, VirtualMetric helps businesses lower SIEM ingestion costs, increase operational efficiency, and improve threat detection accuracy. The platform’s scalable architecture, with features like zero data loss and long-term compliance storage, ensures that businesses can maintain high security standards while optimizing performance.Starting Price: Free -
13
EventSentry
NETIKUS.NET ltd
Hybrid SIEM solution combining real-time (event) log monitoring with comprehensive system health & network monitoring provides users with a complete picture of their servers and endpoints. The included security event log normalization & correlation engine with descriptive email alerts provides additional context and presents cryptic Windows security events in easy to understand reports that offer insight beyond what is available from raw events. EventSentry's NetFlow component visualizes network traffic, can detect malicious activity and offers insight into bandwith usage. Keeping track of Active Directory changes is easy with EventSentry's ADMonitor component that records all changes to AD & Group Policy objects and provides a complete user inventory to help identify obsolete accounts. Various integrations & multi-tenancy available.Starting Price: $85.00/one-time -
14
Logz.io
Logz.io
We know engineers love open source. So we supercharged the best open source monitoring tools — including ELK, Prometheus, and Jaeger, and unified them on a scalable SaaS platform. Collect and analyze your logs, metrics, and traces on one unified platform for end-to-end monitoring. Visualize your data on easy-to-use and customizable monitoring dashboards. Logz.io’s human-coached AI/ML automatically uncovers errors and exceptions in your logs. Quickly respond to new events with alerting to Slack, PagerDuty, Gmail, and other endpoints. Centralize your metrics at any scale on Prometheus-as-a-service. Unified with logs and traces. Add just three lines of code to your Prometheus config files to begin forwarding your metrics to Logz.io for storage and analysis. Quickly respond to new events by alerting Slack, PagerDuty, Gmail, and other endpoints. Logz.io’s human-coached AI/ML automatically uncovers errors and exceptions in your logs.Starting Price: $89 per month -
15
Site24x7 StatusIQ
ManageEngine
StatusIQ is a status and incident communication platform using which you can communicate incidents, and scheduled maintenances with customers in real-time via status Pages, emails and sms as well as showcase the uptime of your IT resources in real time. Downtime is inevitable. But burning out support agents and providing poor user experiences doesn't need to be. With Site24x7 StatusIQ you can effortlessly communicate service disruptions, planned maintenance, and real-time statuses to customers, and end users. When a service outage strikes, one of the first responsibilities, along with diagnosis, is proactive communication. A reliable, dedicated channel that can publish updates can deflect support tickets, keep internal stakeholders informed, and can turn downtime into an exercise in improving the customer experience. Communicate early and often. Quickly acknowledge the problem by posting the incident on your status page.Starting Price: $9 per month -
16
Nixstats
Nixstats
Just a one line command to install the monitoring agent on all your servers. No complicated setups, get started within minutes. Keep track of your servers infrastructure usage and prevent downtime and performance issues. Over 40 plugins available out-of-the-box such as CPU, Process, Network, NGiNX, Disk I/O and much more. Server logs are essential to diagnose and prevent issues on your server infrastructure. Use our advanced log search or use the live tail feature. Do you know if you're keeping a clean IP space? Ensure that your e-mail will not end up in the spam folder. Our control panel is customizable and easy to use, providing a better and more enjoyable user experience. We can monitor HTTP(S), TCP as well as ICMP (ping) endpoints, be the first to know about downtime of your web endpoints.Starting Price: $9.95 per month -
17
SquaredUp
SquaredUp
SquaredUp is a unified observability portal. Say goodbye to blind spots and data silos. Using data mesh and cutting-edge data visualization, SquaredUp gives IT and engineering teams one place to see everything that matters. Bring together data from across your tech stack without the headache of moving the data. Unlike other monitoring and observability tools that rely on a data warehouse, SquaredUp leaves your data where it is, plugging directly into each data source to index and stitch the data together using a data mesh. Teams have one place to go where they can search, visualize, and analyze data across all their tools. Take control of infrastructure, application, and product performance with unified visibility. Free for up to 3 users. What you get: > Cutting-edge data visualization > Access to 100+ data sources > Any custom data source via Web API > Multi-cloud observability > Cost monitoring > Unlimited dashboards > Unlimited monitorsStarting Price: $9 Per user/month -
18
Zenduty
Zenduty
Zenduty’s end-to-end incident alerting, on-call management and response orchestration platform helps you institutionalize reliability into your production operations. Get a single pane of glass view of the health of all your production operations. Respond to incidents 90% faster and resolve them 60% faster. Deploy customized and data-driven on-call rotations to ensure 24/7 operational coverage for major incidents. Deploy industry-leading incident response procedures and resolve incidents faster through effective task delegation and collaborative triaging. Bring your playbooks automatically into your incidents. Log incident tasks and action items for productive postmortems and future incidents. Suppress noisy alerts so that your engineers and support staff are focused on the alerts that matter. Over 100+ integrations with all your APMs, log monitoring, error monitoring, server monitoring, ITSM, Support, and security services.Starting Price: $5 per month -
19
Apache Log4j
Apache Software Foundation
Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases. The project is actively maintained by a team of volunteers and supported by a big community. Log4j bundles a rich set of components to assist various use cases. Appenders targeting files, network sockets, databases, SMTP servers, etc. Layouts that can render CSV, HTML, JSON, Syslog, etc. formatted outputs. Filters based on log event rates, regular expressions, scripts, time, etc. Lookups for accessing system properties, environment variables, log event fields, etc. Log4j is built with solid reliability in mind. It can automatically reload its configuration upon modification and will do so without losing log events while reconfiguration occurs. When configured correctly, Log4j can deliver excelling performance without almost any burden on the Java garbage collector, and it will do so without sacrificing reliability.Starting Price: Free -
20
Muscula
Muscula
Instant alerts on errors and exceptions without asking your users additional questions. Muscula is an error-logging solution that allows you to conveniently collect and analyze errors on a website or application. Don't waste expensive time checking server logs every time something happens. Get free, business and self-hosted plans that offer a range of features. No credit card is needed & a free plan is available. Start with a free plan and upgrade at any time. Logs are a key component for troubleshooting infrastructure and application errors. Some software does a few things well but falls short in other areas. Muscula is a muscular application with a full suite of features. Muscula can show explanations powered by AI backed by OpenAI that you know for the famous ChatGPT app. Muscula delivers all errors into your central dashboard and gives you powerful search and sort capabilities. No wasted time reading lines of a log for a single error. Impress clients with your resolution speed.Starting Price: $14 per month -
21
Icinga
Icinga GmbH
Icinga is a monitoring system which checks the availability of your network resources, notifies users of outages, and generates performance data for reporting. Scalable and extensible, Icinga can monitor large, complex environments across multiple locations. Icinga 2 is the monitoring server and requires Icinga Web 2 on top in your Icinga Stack. The configuration can be easily managed with either the Icinga Director, config management tools or plain text within the Icinga DSL. Find answers, take actions and become a problem-solver. Be flexible and take your own ways. Stay curious, stay passionate, stay in the loop. Tackle your monitoring challenge. The Icinga stack spans six core strengths that cover all aspects of monitoring. Level up with valuable insights and on-time notifications, eye-opening visuals and analytics. Icinga easily integrates within your systems, and gives you the power to automate your tasks.Starting Price: $0 -
22
Intelligent Discovery
Ldaptive
Intelligent Discovery helps you manage your AWS security with ease. Our industry-leading AWS vulnerability scanning and remediation tool allows you to quickly identify potential threats—without slowing down your infrastructure. Stay ahead of attackers looking for exploitable weaknesses by proactively identifying, resolving, and mitigating security threats through a user-friendly interface. Automate Security Auditing, Security Log Management, Customize Controls and so much more! Consolidated capacity, cost, and volume tools are in an evolving and scaling environment without impacting production or breaking the bank. As an organization grows, so does the management complexity of compliance. Defined organizational rule sets and customization expedite compliance. Consistent and frequent security logs, inventory, and change log monitoring bring inventory management into a consolidated interface.Starting Price: $199 per month -
23
Sentry
Sentry
From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend. With Sentry’s performance monitoring you can trace performance issues to poor-performing api calls and slow database queries. Source code, error filters, stack locals — Sentry enhances application performance monitoring with stack traces. Quickly identify performance issues before they become downtime. View the entire end-to-end distributed trace to see the exact, poor-performing API call and surface any related errors. Breadcrumbs make application development a little easier by showing you the trails of events that lead to the error(s).Starting Price: $26 per month -
24
Mezmo
Mezmo
Mezmo (formerly LogDNA) enables organizations to instantly centralize, monitor, and analyze logs in real-time from any platform, at any volume. We seamlessly combine log aggregation, custom parsing, smart alerting, role based access controls, and real-time search, graphs, and log analysis in one suite of tools. Our cloud based SaaS solution sets up within two minutes to collect logs from AWS, Docker, Heroku, Elastic and more. Running Kubernetes? Start logging in two kubectl commands. Simple, pay-per-GB pricing without paywalls, overage charges, or fixed data buckets. Simply pay for the data you use on a month-to-month basis. We are SOC2, GDPR, PCI, and HIPAA compliant and are Privacy Shield certified. Our military grade encryption ensures your logs are secure in transit and storage. We empower developers with user-friendly, modernized features and natural search queries. With no special training required, we save you even more time and money. -
25
Middleware
Middleware Lab
AI-powered cloud observability platform. Middleware platform helps identify, understand and fix issues across your cloud infrastructure. AI will detect all the issues from infra and application and give better recommendations on fixing them. Monitor metrics, logs, and traces in real-time on the dashboard. The most efficient and faster results with the least resource usage. Bring all the metrics, logs, traces, and events to one single unified timeline. Get complete visibility into your cloud with a full-stack observability platform. Our AI-based predictive algorithms look at your data and give you suggestions on what to fix. You are the owner of your data. Control your data collection and store it on your cloud to reduce cost by 5x to 10x. Connect the dots between when the problem begins and where it ends. Fix problems before your users' report. They get an all-inclusive solution for cloud observability in a single place. And that's too cost-effective.Starting Price: Free -
26
DUPI
D10 Networks
Explore advanced real-time network monitoring with unparalleled deep visibility into live NETFLOW, DNS, HTTP & SSL network traffic. Monitor AWS logs or any protocol at your sites universally from the cloud. A lightweight capture application on-site exports all relevant protocol info over a fast connection to your dedicated cloud server. Observe aggregate protocol statistics across multiple sites to view all network traffic in your business as a 'whole'. Alternatively based on your use case simply choose to observe only the network traffic at an individual site. Analyze your network traffic in real time for deep visibility into actual traffic patterns. Define detailed alerting rules per specific protocol field on various metrics such as request rates, randomization, lengths, counts, and geo-location info. Explore network traffic at your sites easily and interactively from the comfort of your browser. Quickly switch protocols, fields, and intervals and apply specific filter conditions.Starting Price: $0.25 per hour -
27
Gravwell
Gravwell
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. -
28
Centreon
Centreon
Centreon is a global provider of business-aware IT monitoring for always-on operations and performance excellence. The company’s holistic, AIOps-ready platform is designed for today’s complex, distributed hybrid cloud infrastructures. Centreon monitors the complete IT Infrastructure from Cloud-to-Edge for a clear and comprehensive view. Centreon removes blind spots, monitoring all equipment, middleware and applications that are part of modern IT workflows, from on-premise legacy assets to private and public cloud environments, all the way to the edge of the network, where smart devices and customers combine to create business value. Centreon is constantly current, able to support the most dynamic environments. With auto-discovery capabilities it can keep track of Software-Defined Network (SDN) elements, AWS or Azure cloud assets, Wi-Fi access points or any other component of today’s agile IT infrastructure. -
29
LogFusion
Binary Fortress Software
LogFusion is a powerful realtime log monitoring application designed for system administrators and developers! Use custom highlighting rules, filtering and more. You can even sync your LogFusion settings between computers. Use LogFusion's powerful custom highlighting to match text strings or regex patterns and format the matched log lines to suit your needs. Use LogFusion's Advanced Text Filtering to filter and hide lines that don't match your search text, all in realtime as new lines are being added. Complex queries allow you to easily narrow down your results. LogFusion can automatically add new logs from Watched Folders. Just specify the folders to monitor, and LogFusion will automatically open any new log files created in those folders.
- Previous
- You're on page 1
- Next