Best Free IT Security Software
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Compare the Top Free IT Security Software as of June 2025
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What is Free IT Security Software?
IT security software is designed to protect information technology (IT) systems, networks, and data from cyber threats, such as malware, hacking, and unauthorized access. These tools provide various features such as antivirus protection, firewalls, encryption, intrusion detection and prevention systems, and vulnerability management to ensure the integrity, confidentiality, and availability of sensitive information. IT security software helps organizations detect, prevent, and respond to security incidents, mitigate risks, and ensure compliance with industry regulations. It is critical for businesses and individuals to safeguard against cyberattacks, data breaches, and other security vulnerabilities. Compare and read user reviews of the best Free IT Security software currently available using the table below. This list is updated regularly.
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1
OpenVPN
OpenVPN
IT admins & managers love Access Server - OpenVPN can help make network security and secure remote access easier — whether you have years of experience as an IT Admin or are just beginning your career. If you’re a Linux person, Access Server is for you. Access Server is an easy to deploy, cost-effective way to bolster your network security in a self-hosted environment.Starting Price: Free Up to 3 Users -
2
ManageEngine Endpoint Central
ManageEngine
ManageEngine's Endpoint Central (formerly Desktop Central) is a Unified Endpoint Management Solution, that takes care of enterprise mobility management (including all features of mobile application management and mobile device management), as well as client management for a diversified range of endpoints - mobile devices, laptops, computers, tablets, server machines etc. With ManageEngine Endpoint Central, users can automate their regular desktop management routines like distributing software, installing patches, managing IT assets, imaging and deploying OS, and more.Starting Price: $795.00/one-time -
3
Site24x7
ManageEngine
ManageEngine Site24x7 is a comprehensive observability and monitoring solution designed to help organizations effectively manage their IT environments. It offers monitoring for back-end IT infrastructure deployed on-premises, in the cloud, in containers, and on virtual machines. It ensures a superior digital experience for end users by tracking application performance and providing synthetic and real user insights. It also analyzes network performance, traffic flow, and configuration changes, troubleshoots application and server performance issues through log analysis, offers custom plugins for the entire tech stack, and evaluates real user usage. Whether you're an MSP or a business aiming to elevate performance, Site24x7 provides enhanced visibility, optimization of hybrid workloads, and proactive monitoring to preemptively identify workflow issues using AI-powered insights. Monitoring the end-user experience is done from more than 130 locations worldwide.Starting Price: $9.00/month -
4
Cisco Duo
Cisco
Cisco Duo is a cloud-based identity security solution that protects organizations from identity-based threats and boosts workforce productivity. Trusted by over 40,000 organizations worldwide, Duo delivers an exceptional access management experience across all users, devices, and applications, making access to resources secure, seamless, and easy. Duo with Cisco Identity Intelligence provides deep visibility across your identity ecosystem, adding a powerful security layer to any identity infrastructure. Offer users a world-class access experience through Duo Passport to eliminate MFA friction and fatigue without sacrificing security. To stop threats, Duo verifies user identities with strong authenticators including Duo passwordless, Verified Duo Push with number matching, and phishing-resistant factors like biometrics and FIDO2 security keys. Paired with deep insights into users’ devices, Duo gives you the control to adaptively limit access based on device health or user risk.Starting Price: $3 per user per month -
5
Auth0
Okta
Auth0 takes a modern approach to Identity, providing secure access to any application, for any user. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation. Auth0 is part of Okta, The World’s Identity Company™. Auth0 lets you quickly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control. Authenticate users across all applications with a customized, secure, and standards-based single login. Universal Login connects users to a central authorization server. Credentials aren’t transferred across sources, which boosts security and protects against phishing and credential stuffing attacks. OAuth 2.0 recommends that only external user agents (like the browser) be used by native applications for authentication flows. Auth0’s Universal Login achieves this while enabling SSO.Starting Price: Free plan -
6
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 -
7
Paessler PRTG
Paessler GmbH
Paessler PRTG is an all-inclusive monitoring software solution developed by Paessler. Equipped with an easy-to-use, intuitive interface with a cutting-edge monitoring engine, PRTG optimizes connections and workloads as well as reduces operational costs by avoiding outages while saving time and controlling service level agreements (SLAs). The solution is packed with specialized monitoring features that include flexible alerting, cluster failover solution, distributed monitoring, in-depth reporting, maps and dashboards, and more. PRTG monitors your entire IT infrastructure. All important technologies are supported: • SNMP: ready-to-use and custom options • WMI and Windows Performance Counters • SSH: for Linux/Unix and macOS systems • Traffic analysis using flow protocols or packet sniffing • HTTP requests • REST APIs returning XML or JSON • Ping, SQL, and many moreStarting Price: $2149 for PRTG 500 -
8
Control D
Control D
Control D is a customizable DNS filtering and traffic redirection platform that leverages Secure DNS protocols like DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC, with support for Legacy DNS. - Block malicious threats - Block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more) - Deploy in minutes on fleets of devices using RMM - Manage clients using sub-organizations - Gain visibility on network events and usage patterns, with client level granularity - Re-route traffic via proxies (through DNS) for improved privacy and security - Enjoy superior UX and simplicity Think of it as your personal Authoritative DNS resolver for the entire Internet that gives you granular control over what domains get resolved, redirected or blocked.Starting Price: $2/month -
9
ManageEngine OpManager
ManageEngine
OpManager is a network management tool geared to monitor your entire network. Ensure all devices operate at peak health, performance, and availability. The extensive network monitoring capabilities lets you track performance of switches, routers, LANs, WLCs, IP addresses, and firewalls. Monitor the finer aspects of your network: Hardware monitoring enables CPU, memory, and disk monitoring, for efficient. performance of all devices. Perform seamless faults and alerts management with real-time notifications and detailed logs for quick issue detection and resolution. Achieve network automation, with workflows enabling automated diagnostics and troubleshooting actions. Advanced network visualization-including business views, topology maps, heat maps, and customizable dashboards give admins an at-a-glance view of network status. 250+ pre-built reports covering metrics like device performance, network usage, uptime, facilitate capacity planning and improved decision-making.Starting Price: $95.00/one-time -
10
GoAnywhere MFT
Fortra
GoAnywhere MFT provides secure managed file transfer for enterprises. Deployable on-premise, in the cloud, or in hybrid environments, GoAnywhere MFT software enables organizations to exchange data among employees, customers, and trading partners, as well as between systems, securely. GoAnywhere MFT was a recipient of the Cybersecurity Excellence Award for Secure File Transfer. -
11
Plaid
Plaid
Plaid is a global data network that powers the tools millions of people rely on to live a healthier financial life. Our ambition is to facilitate a more inclusive, competitive, and mutually beneficial financial system by simplifying payments, revolutionizing lending, and leading the fight against fraud. Plaid works with over 12,000 companies including fintechs like Venmo and SoFi, several of the Fortune 500, and many of the largest banks to empower people with more choice and control over how they manage their money. Headquartered in San Francisco, Plaid’s network spans over 12,000 institutions across the US, Canada, UK and Europe.Starting Price: Free -
12
Thinfinity Workspace
Cybele Software, Inc.
Thinfinity® Workspace 7 is a comprehensive, secure platform that offers a zero-trust approach, enabling secure and contextual access to corporate virtual desktops, virtual applications, internal web apps, SaaS, and files, whether they are on Windows, Linux, or mainframes. It supports various deployment models, including cloud, on-premise, and hybrid settings, and can be deployed on any cloud provider of your choice. With its proprietary reverse gateway technology, Thinfinity® Remote Workspace 7 ensures secure reverse connections over SSL with TLS 1.3 encryption. This robust approach doesn't require client-side installations, firewall modifications, or the opening of inbound ports on your network, thereby enhancing the security infrastructure of your business. The platform ensures all browser-based connections are secured over HTTPS, offering a wide variety of authentication options, from straightforward User/Password to sophisticated Active Directory authentication. -
13
Psono
esaqa GmbH
Psono is a self-hosted, open-source password manager designed to safeguard your data. It encrypts and stores your credentials, ensuring only you have access. You can also securely share encrypted access with your team. With a rich set of features, Psono makes data management and password retrieval simpler than ever. Its robust security includes client-side encryption for genuine end-to-end password sharing, supplemented by SSL and storage encryption. The entire code is open for transparent public auditing, emphasizing that true security lies in proper encryption rather than concealing flaws. Hosting Psono on your server offers enhanced access control, eliminating the need to depend on public services for data storage. Psono stands out as one of the most secure password managers, prioritizing the online safety of its users on their servers.Starting Price: Free -
14
Kasm Workspaces
Kasm Technologies
Kasm Workspaces streams your workplace environment directly to your web browser…on any device and from any location. Kasm uses our high-performance streaming and secure isolation technology to provide web-native Desktop as a Service (DaaS), application streaming, and secure/private web browsing. Kasm is not just a service; it is a highly configurable platform with a robust developer API and devops-enabled workflows that can be customized for your use-case, at any scale. Workspaces can be deployed in the cloud (Public or Private), on-premise (Including Air-Gapped Networks or your Homelab), or in a hybrid configuration.Starting Price: $0 Free Community Edition -
15
LogMeIn Miradore
GoTo
Miradore is a cloud-based Mobile Device Management (MDM) platform that was acquired by GoTo in 2022. Miradore provides a smarter way to securely manage both company-owned and personal Android, iOS, macOS, and Windows devices. GoTo (Miradore) has been recognized as a Leader in the IDC MarketScape: Worldwide Unified Endpoint Management (UEM) Software for SMBs 2024 Vendor Assessment, for its ease of use, flexibility and strong multi-platform support for Android, Mac, iOS, and Windows devices. With Miradore, you can stay up to date with your device fleet, automate device management across multiple operating systems, distribute business-critical apps, and secure your company data. Getting started is simple and always free, and when needed, you can unlock additional features with the Premium or Premium+ plans. You can test all the features risk-free with a 14-day trial of the Premium+ plan. No credit card information is required.Starting Price: $3.30 per device/month -
16
Uptrends
Uptrends
ITRS Uptrends helps organizations achieve 24x7 reliability and performance for web services (websites, SaaS, APIs), so mission-critical transactions work from anywhere, anytime. ITRS Uptrends’ intuitive no-code/low-code transaction recorder simplifies the monitoring setup, driving rapid time-to-value even across multi-vendor/domain business services. We continuously monitor multistep user journeys from 368 nodes in 67 countries to provide full visibility beyond uptime. Alongside synthetic monitoring, our real user monitoring captures service usage and adoption to show IT's business impact. Integrating with our real-time observability portfolio, ITRS Uptrends offers end-to-end visibility of business services across hybrid infrastructures. As a SaaS solution, ITRS Uptrends is deployment-free unless private checkpoints are required to monitor from within a corporate network.Starting Price: $17.50/month -
17
ADAudit Plus helps keep your Windows Server ecosystem secure and compliant by providing full visibility into all activities. ADAudit Plus provides a clear picture of all changes made to your AD resources including AD objects and their attributes, group policy, and more. AD auditing helps detect and respond to insider threat, privilege misuse, and other indicators of compromise, and in short, strengthens your organization's security posture. Gain granular visibility into everything that resides in AD, including objects such as users, computers, groups, OUs, GPOs, schema, and sites, along with their attributes. Audit user management actions including creation, deletion, password resets, and permission changes, along with details on who did what, when, and from where. Keep track of when users are added or removed from security and distribution groups to ensure that users have the bare minimum privileges.Starting Price: $595.00/year
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ManageEngine ADManager Plus
ManageEngine
ADManager Plus is a simple, easy-to-use Windows Active Directory (AD) management and reporting solution that helps AD administrators and help desk technicians in their day-to-day activities. With a centralized and intuitive web-based GUI, the software handles a variety of complex tasks like bulk management of user accounts and other AD objects, delegates role-based access to help desk technicians, and generates an exhaustive list of AD reports, some of which are an essential requirement to satisfy compliance audits. This Active Directory tool also offers mobile AD apps that empower AD admins and technicians to perform important user management tasks, on the move, right from their mobile devices. Create multiple users and groups in Office 365, manage licenses, create Exchange mailboxes, migrate mailboxes, set storage limits, add proxy addresses, and more.Starting Price: $595 per year -
19
ManageEngine EventLog Analyzer
ManageEngine
ManageEngine EventLog Analyzer is an on-premise log management solution designed for businesses of all sizes across various industries such as information technology, health, retail, finance, education and more. The solution provides users with both agent based and agentless log collection, log parsing capabilities, a powerful log search engine and log archiving options. With network device auditing functionality, it enables users to monitor their end-user devices, firewalls, routers, switches and more in real time. The solution displays analyzed data in the form of graphs and intuitive reports. EventLog Analyzer's incident detection mechanisms such as event log correlation, threat intelligence, MITRE ATT&CK framework implementation, advanced threat analytics, and more, helps spot security threats as soon as they occur. The real-time alert system alerts users about suspicious activities, so they can prioritize high-risk security threats.Starting Price: $595 -
20
ManageEngine ADSelfService Plus
ManageEngine
ADSelfService Plus is an on-premises access management solution that caters to businesses across various industries, such as IT, banking, engineering, education, aviation, and telecommunications. Key features include: 1. Self-service password resets and account unlocks: Users can reset their passwords in AD and unlock their domain accounts from a web browser. 2. MFA: Machine logins, VPN and OWA logins, and cloud app logins can be secured using MFA. 3. Password synchronizer and SSO: Users can log in to multiple apps using one unified identity via SSO and real-time password synchronization. 4. Password policy enforcer: Admins can configure custom password policies to enforce strong password creation. 5. Password expiration notifier: Admins can send end users password expiration notifications via SMS or email. 6. Directory self-update: Users can update their AD attribute information through the directory self-update feature.Starting Price: $595 for 500 domain users/year -
21
ProHoster
ProHoster
ProHoster.Info - Hosting is a service to provide resources for publishing information on a server, which is always on the Internet. The websites are hosted and stored on our servers which provide with the necessary technology in order to view the website on the internet. By purchasing the website hosting from us, you are also provided with a free domain name, DDoS protection, and an SSL certificate. Fast and reliable unlimited hosting with DDOS protection and free chips, such as the website builder, SSL certificate, and domain. For projects, where regular hosting is not enough, and you need a larger amount of resources and functionality. Virtualization such as KVM and OVZ is available. An excellent solution for non-standard projects with increased requirements for power and full root access. Professional DDoS protection against any type of attack. Immediate response and display of the threats. Huge channel handling capacity.Starting Price: $2.50 per month -
22
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 -
23
RECOGNITO
RECOGNITO
RECOGNITO is a global leader and trusted provider of Face Biometrics and ID Document Verification solutions that are fully optimized for usability, security, and privacy. Recognito SDK is the world's leading face-based identity verification solution with NIST FRVT Top Algorithm. - Product • Face Recognition SDK: 🏆 NIST FRVT Top 1 Face Recognition Algorithm • Face Liveness Detection SDK: DeepFake Detectable, 2D/3D Liveness Detection Algorithm • ID Document Verification SDK: ID, Passport Document OCR and MRZ, Barcode Analysis - Features • On-premise, Fully offline and On-device SDK • Compact Library-type SDK for easy on-premise installation. • Simple and comprehensive API.Starting Price: Free -
24
MIRACL
MIRACL
World's fastest MFA with the highest login success rate above 99%. Highly secure, password-free login in just two seconds. MIRACL works on any device or browser, removing the barriers to authentication to optimise the the user experience, decrease costs, and win lost revenue. Protect your users. Simplify their journey. MIRACL Trust offers a safer, smoother authentication experience. One step. No passwords. No problem. Traditional multi-factor authentication is slow and cumbersome. MIRACL is a smoother, safer alternative to traditional MFA. 2 seconds to log in with error rates as low as 1/10th that of passwords. No passwords necessary. One PIN, and you’re in. Our cryptographic technology means that user info stays with users. MIRACL Trust offers an effortless login experience that puts users first, rolls out hassle-free, and keeps data locked up tight. PSD2 SCA compliant, GDPR compliant and satisfies NJ Gaming MFA requirements. -
25
Oz Liveness
Oz Forensics
Oz Liveness is a leading facial recognition and authentication software used by private and public organizations across the globe to lower the risk of biometric fraud by preventing deepfake and spoofing attacks with 100% accuracy. The technology has been validated by the industry’s most rigorous testing standard, ISO 30107-3 iBeta level 1 and 2 certifications. It helps organizations validate they are dealing with a real person within seconds, lowering compliance and fraud risks. Oz Liveness features advanced algorithms able to detect many forms of biometric spoofing, including 3D and 2D masks and photos along with photos or videos displayed on a mobile or a laptop screen. On-device Liveness detection and face biometry checks allow to use of a phone as a personal biometric device. No data is sent to the server from the device and stays in the customer's hands. On-device Liveness is perfect in any customer’s use case, improving the reachability and stability of the services .Starting Price: $2,625/year/12,500 transaction -
26
Auth Armor
Auth Armor
Harness the power of biometrics on smartphones to make authentication easy for any application or website, creating a new approach to logging and authenticating online. Passwordless and 2-factor authentication that lets you authenticate your users with the smartphones in their pockets. Auth Armor puts secure authentication in the hands of every user — no weak passwords or cumbersome codes. We have built powerful APIs, SDKs, libraries, and dashboards to allow you to build what you want to build, how you want to build it. Use our tools to build authentication into any app, using any flow you would like. We offer Consumer facing and workforce protection, giving you the power and flexibility to secure anything, the way you need it. Auth Armor is the fastest and easiest mobile authenticator available. We support instant push messaging directly to user's devices enabling the fastest login and authentication experience.Starting Price: FREE for 10,000 active users! -
27
Hexnode UEM
Mitsogo Inc
Hexnode, the enterprise software division of Mitsogo Inc., is a Unified Endpoint Management solution with cross-platform functionalities. Hexnode supports all major operating systems, including iOS, iPadOS, Android, Windows, macOS, tvOS, Linux, ChromeOS, visionOS, Apple TV, Android TV, and fireOS, and offers out-of-the-box enrollment methods. The entire device lifecycle, starting from enrollment to device retirement, can be monitored and managed from a unified console. Features such as automated device enrollment, geofencing, Remote Monitoring and Management, patch management, and a simple and intuitive UI makes it the perfect tool for device management. In addition, Hexnode offers a wealth of tools perfect for today's increasingly mobile, modern teams, which includes an intuitive dashboard for greater visibility and control over mobile devices across the enterprise, web filtering for security, location tracking, and so much more. -
28
MyChat
Network Software Solutions
Secure instant messaging system with own server that can work in local area network and over the Internet. Providing collaboration tools for employee engagement. Built-in knowledge base, important notifications with return receipts, Bulletin board, broadcast messages, flexible server management, the system for user rights to access MyChat features, voice/video calls, screen sharing calls, Kanban project management, conferences, private dialogues, extended contact list, available for all platforms: Windows, macOS, Linux, Android, iOS, WEB.Starting Price: $6/per user/one-time -
29
GateKeeper Enterprise
Untethered Labs, Inc.
Passwordless, proximity login to PCs, Macs, websites, and desktop applications. Hands-free, wireless 2FA and password manager through active proximity-detection. IT admins can dynamically allow users to log in to their computers and websites with a physical key either automatically, by touch, by pressing Enter, or with a PIN. Seamlessly login, switch users, switch computers, and logout without passwords, touch, or trouble - just a key. Once a user walks away, the computer will lock, blocking access to the computer and web passwords. With continuous authentication, users are always being checked to ensure that they require access. No more typing passwords. Admins and compliance can now automate password security from a central admin console: enforce stronger passwords, enforce 2FA, and give employees the power of password-free login without interrupting workflow. Reduce helpdesk tickets related to forgotten passwords/password resets. Login and auto-lock with proximity.Starting Price: $3/user/month -
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ManageEngine Applications Manager
ManageEngine
ManageEngine Applications Manager is an enterprise-ready platform designed to monitor an entire application ecosystem of a business organization. Our platform helps IT and DevOps teams get visibility into all the dependent components within their application stack. With Applications Manager, it becomes easier to monitor the performance of mission-critical web applications, web servers, databases, cloud services, middleware, ERP systems, messaging components, and more. It has tons of features that fast-track the troubleshooting process and help reduce MTTR. This way, issues are fixed before application end-users are affected. Applications Manager has a fully functional dashboard that can be customized to get performance insights at a glance. By configuring alerts, it constantly keeps a lookout for performance issues within the application stack. Combining this with intelligent machine learning, Applications Manager helps turn performance data into actionable insights.Starting Price: $395.00/Year