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Free Log Analysis Software

Last updated: March 2026

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24 software options

ManageEngine EventLog Analyzer logo

Web-Based SIEM & Log Management Solution. Affordable Prices.

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Free
Free plan available for up to 5 log sources. Premium edition: starts at $595 Distributed edition: starts at $2495

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BusinessLOG logo

AI-powered log management, SIEM, compliance, DLP, and asset

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Free
Business LOG uses a transparent per-device pricing model starting at $2.70 per device per month, with the same price for every monitored device, including servers, workstations, and syslog endpoints. The pricing model is designed to be simple and predictable, with no differentiation by device type and no hidden costs. Annual billing is also available, with the website stating customers can save the equivalent of 2 months compared to monthly billing. Business LOG offers entry-level solutions for smaller environments. Business LOG One is designed for basic compliance needs and includes 1 PC plus Fileserver auditing. Business LOG Auditor includes 1 PC plus up to 20 Real-Time nodes, providing more advanced monitoring for small networks. For larger infrastructures, Business LOG offers scalable versions based on the number of monitored nodes: Business LOG Plus: 1–39 nodes Business LOG Enterprise80: 40–80 nodes Business LOG Enterprise150: 81–150 nodes Business LOG Enterprise250: 151–250 nodes Business LOG Enterprise500: 251–500 nodes Business LOG Enterprise750: 501–750 nodes Business LOG Enterprise1000: 751–1,000 nodes Business LOG EnterpriseX: 1,001–2,000 nodes Business LOG Data Center: 2,000+ nodes, intended as a multi-tenant version for service providers and data centers. The pricing page highlights several elements included across the range, such as agent-less monitoring, support for GDPR, ISO 27001, and NIS2 compliance, scalable versions with easy upgrades, additional plugins available, advanced features such as AI, SOC, and automations, and dedicated technical support. Business LOG defines a node as a single monitored machine, with no distinction between client, server, or device for licensing purposes. The site also states that virtual machines are counted like any other machine and must be included in the total node count when selecting the correct version. If a customer exceeds the node limit of the subscribed plan, Business LOG allows an upgrade to the next version by paying only the price difference between versions. For infrastructures above 2,000 nodes, the company offers custom solutions with dedicated pricing and priority support. According to the pricing FAQ, Business LOG is described as agentless, meaning the server does not require agents installed on monitored machines and instead automatically queries devices in the domain or workgroup to collect information. The site also states that support access is included through the Business LOG Help Center, where customers can consult guides and tutorials, open and manage tickets, and request telephone support. Note: the pricing page contains a messaging inconsistency. One section says users can “Try Business LOG free for 21 days,” while the FAQ says there is no free trial and that prospects are instead guided through direct software presentations. If you publish this pricing detail externally, it would be better to clarify this point first.

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Datadog logo

Cloud-Scale Monitoring Platform For Dev, Sec, and Ops teams.

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Free
Starts at $15 per host per month. Pay-as-you-go or subscription terms available. Service includes unlimited integrations per monitored host. 14-day free trial included in all plans. All plans include custom metrics and events. Pro plans include 13 months data retention, metric alerts, and email support.

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New Relic logo

Performance testing and monitoring management software

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Free
Sign up for free access with our perpetual free tier and 100 GB/month of data ingest included.

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Amazon CloudWatch logo

Application performance management software for DevOps

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Free
No up-front commitment or minimum fee; you simply pay for what you use.

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Grafana logo

2025 Gartner® Magic Quadrant™ Leader in Observability

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Mezmo logo

Log Management for the Kubernetes Age

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Free
14-day free trial available on all new accounts, then: COMMUNITY (Single user) = Free with no retention PROFESSIONAL (Up to 25 users) = Plans with 3, 7, 14, or 30 day of retention. Prices are $0.80/gb (3-day), $1.05/gb (7-day), $1.30/gb (14-day), and $1.80/gb (30-day). Minimum fee of $10 for 3, 7, and 14 day plans and $50 for 30 day plan. ENTERPRISE (Unlimited users) = Contact Sales for custom plans for multiple organizations, Variable Retention, Kubernetes Enrichment, SSO & SAML, and HIPAA Compliance.

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Better Stack logo

The most reliable uptime monitoring tool.

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Free
Costs 10x less than Datadog Get ~2 months free with yearly plan. All plans come with a 60-day money-back guarantee.

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groundcover logo

It’s time for a modern cloud-native solution

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Free
Predictable price based on nodes, not data groundcover breaks the customary volume-based pricing model, allowing teams to scale away, at a fraction of the cost. Available on AWS Marketplace GCP Marketplace --------------------------------------------------- See it all. Store what matters.
Pay Accordingly. Our predictable pricing is based solely on the monthly average of the amount of Kubernetes Nodes (of any size or machine type) that are actively monitored by the groundcover eBPF sensor for logs, metrics, traces and events. You decide what to cover, and you can adjust at any time.

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Sumo Logic logo

Unified Logs & Metrics for Full App Visibility

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Free
Sumo Logic Free (Up to 500 MB) - $Free Sumo Logic Professional - $270/month ($90/GB, 3 GB minimum) Sumo Logic Enterprise - $450/month ($150/GB, 3 GB minimum)

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EventSentry logo

Real-time log & event log hybrid SIEM monitoring solution

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Free
One full license has an initial purchase fee of $85, larger license packs offer tier discounts. Contact Netikus for more information on pricing.

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Graylog logo

Log Management | SIEM | API Security

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Free
Pls contact us for pricing details

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Logz.io logo

Machine data analytics based on ELK and Grafana

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Free
Contact Logz.io for detailed pricing information.

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ManageEngine Log360 logo

Comprehensive SIEM solution

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Free
Pricing is based on number of log sources. Doesn't limit number of log data. Contact ManageEngine for more information.

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Logmanager logo

Log management platform enhanced with SIEM capabilities

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Free
All packages include full log management and SIEM functionality, ensuring that customers in any tier can fully benefit from Logmanager, and does not impose limitations on the number of users. Pay only for the log data you store each month. No limits on daily data volume. Available for VMware, Hyper-V, and Proxmox.

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Bindplane logo

The Unified Telemetry Pipeline Enterprises Depend On

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Free
Bindplane offers flexible pricing designed to support teams at every stage of their OpenTelemetry journey. Whether you are experimenting with OTel for the first time, scaling into production, or standardizing telemetry across a global enterprise, Bindplane provides a plan that fits your operational needs. All plans include access to Bindplane’s vendor-agnostic pipeline, centralized agent management, and the ability to route data to any supported observability or security tool. Customers can start for free, scale with the Growth Plan, and unlock full enterprise capabilities with the Enterprise Plan. Free Plan The Free Plan is designed for teams exploring OpenTelemetry-based pipelines or evaluating Bindplane before production rollout. It includes all core features and supports up to 10 agents and 10 GB of daily telemetry throughput. Users can collect logs, metrics, and traces from various sources, apply filtering or enrichment, and route data to any supported destination. The Free Plan is ideal for small workloads, sandbox environments, proofs of concept, and teams beginning to standardize on OpenTelemetry. It provides full access to Bindplane’s vendor-agnostic architecture, giving users the ability to test cost optimization strategies, experiment with pipeline designs, and understand how Bindplane simplifies OTel management without financial commitment. Included in Free Plan: • Up to 10 OpenTelemetry agents • 10 GB per day of telemetry throughput • Core filtering, transformation, and enrichment features • Centralized OTel agent management • Routing to all supported destinations • Ideal for evaluation and testing environments Growth Plan The Growth Plan is designed for production-scale deployments where reliability, increased capacity, and operational efficiency become essential. It expands agent and data limits beyond the Free Plan and provides the advanced processing, routing, and lifecycle management features needed to run OTel at scale. Teams use the Growth Plan to improve data quality, control ingestion costs by removing noise before data reaches expensive platforms, and centralize the management of OTel agents across hybrid infrastructure. It is an excellent choice for organizations migrating from legacy agents, adopting OpenTelemetry across multiple teams, or preparing large environments for standardized telemetry practices. Included in Growth Plan: • Expanded agent capacity for larger workloads • Increased daily telemetry throughput for production use • Advanced filtering, transformation, masking, and enrichment • Full access to vendor-agnostic routing across all platforms • Fleet-wide agent management with automated rollouts • Pipeline versioning and safe deployment controls • Dual-write support for vendor migration • Ideal for teams scaling OpenTelemetry in production Enterprise Plan The Enterprise Plan provides the highest level of performance, scale, governance, and support. It is designed for large organizations that rely on Bindplane as the backbone of their telemetry architecture across observability and security teams. This plan supports enterprise-level throughput, large or unlimited agent counts, and the full suite of Bindplane’s processing and routing capabilities. Enterprise customers benefit from advanced governance features, enhanced security controls, and priority support from Bindplane specialists. This plan is ideal for businesses standardizing on OpenTelemetry across multiple environments, replacing proprietary agents, or modernizing distributed systems with centralized, compliant, and reliable telemetry pipelines. Included in Enterprise Plan: • High-scale or unlimited agent capacity • Significantly expanded telemetry throughput • Access to all Bindplane processors and advanced capabilities • Centralized management for large OTel deployments • Enterprise-grade governance, compliance, and data masking controls • Vendor-agnostic routing across all observability and security destinations • Migration support for transitions away from legacy or high-cost tools • Priority support and expert guidance • Ideal for organizations deploying OTel across the entire enterprise Choosing the Right Plan • Choose Free if you are testing Bindplane or running small or non-production environments. • Choose Growth if you are deploying OpenTelemetry in production, scaling data volumes, or optimizing ingestion costs. • Choose Enterprise if you require enterprise-scale performance, advanced governance, and full organizational standardization on OTel. Bindplane’s pricing model ensures that teams at every level can gain the benefits of a flexible, vendor-agnostic pipeline built on open standards while scaling at the pace their operations require.

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Loggly logo

Cloud log management and monitoring

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Free
Loggly offers several tiers of pricing to provide the right price for every-sized business. Enterprise: All-inclusive log analysis, monitoring, reporting, and collaboration for enterprises Pro: Log analysis and monitoring for companies with growing applications Standard: Easy-to-use log analysis and monitoring for small businesses Lite: Basic log search for starters

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Papertrail logo

Cloud-based log management tool for IT teams.

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Free
$7 1 GB/month 1 week search 1 year archive $18 2 GB/month 1 week search 1 year archive $35 4 GB/month 2 weeks search 1 year archive $75 8 GB/month 2 weeks search 1 year archive $150 16 GB/month 2 weeks search 1 year archive $230 25 GB/month 2 weeks search 1 year archive

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Middleware logo

Unified cloud observability to debug issues faster

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Free
Please contact Middleware Labs for pricing details.

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ManageEngine Exchange Reporter Plus logo

Reporting and monitoring solution for Exchange and Skype

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Free
Exchange Reporter Plus licensing is based on the number of Exchange mailboxes a customer chooses to configure in the product. The mailboxes configured can be changed at any point of time. Licensing and pricing options are flexible.

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Glassbeam logo

Cloud-based data analytics tool

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Free
Glassbeam pricing is based on data usage and user seats.

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Coroot logo

Open source observability tool for Dev, Ses and OPs teams

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WP Activity Log logo

Cloud-based log analysis solution for WordPress websites.

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errsole logo

Collect, store, and visualize logs with a single module

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