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Top Rated Network Security Software with Free - Page 3

Last updated: October 2026

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74 software options

Haltdos logo

Intelligent DDoS attack detection & mitigation

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Haltdos is a DDoS mitigation solution for online businesses to defend against a wide range of DDoS attacks to minimize application downtime and latency.

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OpenVPN Access Server logo

A self-hosted VPN solution engineered for SMBs

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Secure remote access solution to your private network, in the cloud or on-prem.

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TunnelBear logo

Virtual Private Network Service Solution

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TunnelBear is a virtual private network (VPN) system that helps businesses generate encrypted tunnels for routing corporate data and maintaining confidentiality. The software protects organizations by converting browsing history into an unreadable format so hackers cannot access it.

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ManageEngine NetFlow Analyzer logo

Extensive network bandwidth monitoring and traffic analysis

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NetFlow Analyzer is a flow-based bandwidth management tool that monitors, collects and analyzes traffic to find performance bottlenecks and security threats. Despite the organization's size, admins can know the who, what and how of bandwidth usage with real-time tracking and traffic trends reporting

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ManageEngine Password Manager Pro logo

Privileged Password Manager for Enterprises

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Password Manager Pro is a secure vault for storing and managing shared sensitive information such as passwords, documents and digital identities of enterprises.

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KACE logo

Unified Endpoint Management by KACE. Where Next Meets Now.

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KACE is a Unified Endpoint Management solution that offers a single point of control for managing IT systems across the entire organization, inside or outside your network. This comprehensive solution takes the stress out of keeping devices secure and compliant so you can do more.

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ITarian logo

IT and remote access management solution

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ITarian remote access & IT management solution that helps companies connect and communicate with clients & employees, facilitating remote file access, system monitoring, troubleshooting, and operations management. Users can create multiple groups & define roles to provide secure access to resources.

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Electric AI logo

IT management software for managed software providers (MSP)

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Electric is an IT management software designed to help businesses monitor network security and manage applications, operating systems, databases, and more. It allows IT teams to automate provisioning and de-provisioning of devices, monitor network inventories, launch upgrades, and review policies.

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DDoS-GUARD logo

Network security and website protection software

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DDoS-GUARD is a network security software that helps businesses protect websites against various types of distributed denial-of-service (DDoS) attacks, including TCP SYN flood, Slowloris, and HTTP flood. The platform allows managers to optimize content and images across web pages to improve website performances.

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Crowdsec logo

Let's make the Internet safer, together.

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CrowdSec is an open-source and collaborative multiplayer firewall. Analyze behaviors, respond to attacks & share signals across the community. Security should be available to everyone. We make it happen. For free.

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AbuseHQ logo

The Abuse Management Platform That Fits Your Needs

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AbuseHQ is the first SaaS abuse management platform for ISPs, Telcos, Hosting & Cloud Providers, and Enterprises that handles abuse reports in a fully automated way. The system manages abuse reports to gain visibility and stop the biggest threats to networks.

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Praetorian Guard logo

Continuous offensive security

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Continuous offensive security. Agentic AI plus the top 1% of offensive operators. Attacker-verified.

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CloudEye logo

Security, compliance & cost for AWS & Azure cloud services

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CloudEye tracks & monitors AWS services for security & compliance violations with continuous security scanning, vulnerability alerts, audit reports, and more

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Todyl Security Platform logo

Cloud-based cybersecurity platform

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Todyl is an all-in-one cloud-based cybersecurity platform that lets users identify threats, protect data, simplify architectures, and more.

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CloudSploit logo

Automated security and configuration monitoring for AWS

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CloudSploit is an automated security and configuration monitoring tool for Amazon Web Services (AWS) which scans configurations, looking for security concerns

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IBM NS1 Connect logo

Enhancing performance via DNS

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IBM NS1 Connect is a managed service for authoritative DNS and traffic steering that improves application performance and network resilience. It provides fast, secure connections to users anywhere in the world with premium DNS and advanced customizable traffic steering. IBM NS1 Connect's always-on API-first architecture enables IT teams to efficiently monitor networks, deploy changes, and conduct routine maintenance.

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M4IP logo

Zero trust network access for every IP-connected asset

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Mamori M4IP is a zero trust network access (ZTNA) module that verifies every user, device, and connection before granting access to apps, servers, file shares, databases, and IoT devices, replacing or complementing your VPN for internal, remote, and vendor access alike.

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Trapster logo

Fully configured Deceptive Security solution

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Trapster is a complete honeypot solution designed to enhance deceptive security for businesses. Trapster uses fully configurable virtual machines that act as discreet sensors, silently monitoring network traffic and alerting users of any unusual activity without disrupting daily operations.

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