List of the Top 24 Free Zero Trust Security Software in 2025

ManageEngine's Endpoint Central, which was previously known as Desktop Central, serves as a comprehensive Unified Endpoint Management Solution that oversees enterprise mobility management. This solution encompasses all aspects of mobile app and device management, in addition to client management for various endpoints, including mobile devices, laptops, tablets, servers, and other computing machines. With ManageEngine Endpoint Central, users can streamline and automate numerous desktop management activities, such as software installation, patching, IT asset management, imaging, and operating system deployment, thereby enhancing operational efficiency across the organization. This tool is particularly beneficial for IT departments looking to maintain control over their diverse technology environments.

Enhance the security of your workforce with robust and user-friendly access solutions from Cisco Duo. Our cutting-edge access security framework is meticulously crafted to safeguard every user, device, and application, allowing you to concentrate on your core activities. Enjoy secure access for all users and devices across various environments and locations, ensuring peace of mind through complete device visibility and trust. This SaaS solution seamlessly protects all applications while being straightforward to deploy, scalable, and responsive to emerging threats. Duo's access security is essential for shielding applications from compromised credentials and devices, offering extensive coverage that aids in fulfilling compliance mandates. By integrating smoothly with applications, Duo delivers flexible, user-centric security that is easy to implement and administer. For administrators, users, and IT teams alike, this is a practical solution that benefits everyone involved. Essential features such as multi-factor authentication, dynamic device trust, adaptive authentication, and secure single sign-on play vital roles in your journey towards a zero-trust framework. Each of these components contributes to a comprehensive security strategy that evolves with your organization's needs.

Auth0 adopts a contemporary method for managing identity, allowing organizations to ensure secure access to applications for all users. It offers a high degree of customization while remaining both straightforward and adaptable. Handling billions of login transactions every month, Auth0 prioritizes convenience, privacy, and security, enabling customers to concentrate on their innovative efforts. Furthermore, Auth0 facilitates quick integration of authentication and authorization processes across web, mobile, and legacy applications, featuring advanced Fine Grained Authorization (FGA) that expands the capabilities of traditional role-based access control, thereby enhancing security measures overall.

Embrace a Zero Trust architecture through OpenVPN Access Server. Our self-managed solution empowers organizations of any scale to implement fundamental zero trust principles. Move past the limitations of safeguarding only the internal corporate environment and minimize your vulnerability to threats. With Access Server, you can secure employees connecting via home or public WiFi and using SaaS applications beyond your organization's network boundary. Additionally, we equip you with all the necessary tools and features to establish a robust zero trust network that effectively prevents or greatly reduces potential cyberattacks.

Kasm Workspaces enables you to access your work environment seamlessly through your web browser, regardless of the device or location you are in. This innovative platform is transforming the delivery of digital workspaces for organizations by utilizing open-source, web-native container streaming technology, which allows for a contemporary approach to Desktop as a Service, application streaming, and secure browser isolation. Beyond just a service, Kasm functions as a versatile platform equipped with a powerful API that can be tailored to suit your specific requirements, accommodating any scale of operation. Workspaces can be implemented wherever necessary, whether on-premise—including in Air-Gapped Networks—within cloud environments (both public and private), or through a hybrid approach that combines elements of both. Additionally, Kasm's flexibility ensures that it can adapt to the evolving needs of modern businesses.

Password reset tickets are a common issue that troubles both IT teams and end users alike. To maintain productivity, IT departments often prioritize more critical tasks, pushing less urgent issues, such as password resets, further down the queue. If not handled swiftly, password reset tickets can lead to significant costs for organizations. Research indicates that nearly 30 percent of all help desk inquiries stem from forgotten passwords. Large enterprises have reportedly invested over $1 million to manage and resolve issues related to password resets. Regularly updating passwords is a valuable practice that can mitigate the risk of cyberattacks stemming from compromised credentials. To bolster security, experts advise that administrators implement policies mandating regular password changes and establish expiration timelines for passwords. By doing so, organizations can enhance their overall security posture while minimizing the burden on their IT teams.

Accessing desktops and applications remotely has never been easier, as it is both secure and dependable. SparkView offers a straightforward and safe solution for connecting untrusted devices to your desktops and applications. With its Zero Trust Network Access (ZTNA) model that requires no client installation, users can enjoy secure remote access through any device equipped with a web browser, leveraging HTML5 technology. This solution is particularly beneficial for those engaged in mobile and remote work. The SparkView platform stands out as the premier web RDP client for several reasons: it ensures ZTNA-compliant remote access to applications, desktops, and servers; it allows connections from virtually any browser, including Chrome, Firefox, Edge, Opera, and Safari; and it eliminates the need for installations on client devices or target systems. Additionally, it provides a centralized administration point for managing security and authorization, is built on robust HTML5 technology, and offers a flexible, stable, and scalable experience. Furthermore, it boasts low support and management overhead, accommodates common protocols such as RDP, SSH, Telnet, VNC, and HTTP(S), and notably, it requires no Java, Flash, ActiveX, plugins, or extensive rollout procedures, making it an ideal choice for organizations seeking efficient remote access solutions. Moreover, its user-friendly interface enhances productivity while ensuring a secure environment for remote operations.

Cloudflare serves as the backbone of your infrastructure, applications, teams, and software ecosystem. It offers protection and guarantees the security and reliability of your external-facing assets, including websites, APIs, applications, and various web services. Additionally, Cloudflare secures your internal resources, encompassing applications within firewalls, teams, and devices, thereby ensuring comprehensive protection. This platform also facilitates the development of applications that can scale globally. The reliability, security, and performance of your websites, APIs, and other channels are crucial for engaging effectively with customers and suppliers in an increasingly digital world. As such, Cloudflare for Infrastructure presents an all-encompassing solution for anything connected to the Internet. Your internal teams can confidently depend on applications and devices behind the firewall to enhance their workflows. As remote work continues to surge, the pressure on many organizations' VPNs and hardware solutions is becoming more pronounced, necessitating robust and reliable solutions to manage these demands.

A single platform offers endless opportunities to engage with both your customers and staff. Any application can be made secure with authentication capabilities. Okta enables you to swiftly develop experiences that are both secure and enjoyable. By integrating Okta's Customer ID products, you can assemble the necessary framework to ensure security, scalability, and dependability. Safeguard and empower your employees, contractors, and partners effectively. Okta’s workforce identification solutions ensure that your employees remain protected regardless of their location. You will be equipped with essential tools to streamline cloud transitions and facilitate hybrid work environments. Trusted by organizations worldwide, Okta is committed to safeguarding workforce identities while promoting seamless connectivity across various platforms. This reliability and trust make Okta a go-to choice for businesses aiming to enhance their security infrastructure.

An all-encompassing data security package that features Zero Trust Network Access (ZTNA), two-factor authentication (2FA), and privileged access management (PAM) is now available. Additionally, it incorporates SQL firewalls and data access management (DAM) to bolster protection. This solution is designed to safeguard companies against data breaches and cyber threats. Furthermore, it assists organizations in adhering to compliance standards and fulfilling cyber insurance obligations, ultimately enhancing their overall security posture.

ZeroTier revolutionizes networking by establishing a secure overlay that allows all your devices to function as if they’re on the same local network. The setup process is quick and straightforward, allowing users to manage even the most intricate networks with ease, regardless of the geographical locations of their devices. Notable advantages of ZeroTier encompass: Facilitating private global networks specifically designed for IoT applications. Enhancing connections across various locations through software-defined networking. Supplanting conventional VPNs to provide a secure link for employees to critical systems. Opt for ZeroTier to experience fast, adaptable, and secure networking solutions that align with the needs of modern global enterprises while ensuring seamless connectivity for all users.

Portnox is a provider of Network Access Control (NAC) solutions, which fall under the broader category of cybersecurity, particularly focusing on network security. This technology empowers organizations to implement tailored policies governing the conditions under which endpoints, such as desktops, laptops, and smartphones, can connect to their corporate networks. NAC serves to enhance the visibility of IT security teams, allowing them to identify each device attempting to access the network, as well as to determine the specific type of device and the access method being utilized, whether through Wi-Fi, wired connections, or VPN. By leveraging NAC, organizations can bolster their overall security posture and ensure that only compliant devices gain network access. This capability is crucial in today’s digital landscape, where the threat landscape is constantly evolving.

InstaSafe is transforming the landscape of secure access to contemporary networks through the implementation of Zero Trust principles in its security solutions, which facilitate smooth access to various platforms including cloud applications, SAP applications, on-site data, IoT devices, and numerous innovative use cases. By shifting away from conventional VPN-based ideas of a network perimeter, InstaSafe redefines security by placing the perimeter around individual users and the devices they utilize. This Zero Trust methodology adopted by InstaSafe upholds a "never trust, always verify" stance on privileged access, emphasizing verification independent of network location. Consequently, this approach not only enhances security but also adapts to the evolving needs of modern digital environments.

CloudLAN serves as a safe virtual workspace, enabling teams spread out across various locations to work together effectively. This platform facilitates seamless connectivity by linking all users' computers into one cohesive network. With TeamVPN IP, users benefit from a roaming static IP that remains independent of any specific physical internet connection. Furthermore, features like service casting and Host connect empower businesses to operate remotely, even if they lack an internal technical support team. This ensures that companies can maintain productivity and collaboration, regardless of their technological expertise.

The landscape of work has undergone a significant transformation, enabling individuals to operate from virtually anywhere rather than being confined to their offices. Cloud-based applications have replaced on-premise solutions, leading to a distributed company network perimeter that spans the internet. Traditional VPNs, which focus on network-centric remote access, have become not only cumbersome and outdated but also pose considerable security vulnerabilities for businesses. The costs and resources associated with acquiring, deploying, and maintaining VPN infrastructure can be staggering. When access isn't secured at the application level, hackers may be able to compromise entire networks. Twingate offers a solution for organizations by facilitating the swift implementation of a zero trust network that outperforms VPNs in security. As a cloud-based service, Twingate enables IT teams to establish a software-defined perimeter rapidly without necessitating any changes to existing infrastructure. Moreover, it provides centralized management of user access to internal applications, regardless of whether these applications are hosted in the cloud or on-premise. This modern approach not only enhances security but also simplifies access management across diverse environments.

Fudo streamlines user access to Unix and Windows servers, applications, and devices with remarkable speed and ease. Users can maintain their usual workflows without needing to change their habits, as they can continue using well-known native clients like Unix Terminals, RDCMan, or Putty. Furthermore, access is available through the Fudo Web Client, which is designed to operate exclusively within a web browser. The Just-In-Time (JIT) capability facilitates the development of access workflows that adhere to a zero-trust security model. In the request management section, users can easily outline and schedule resource availability for specific individuals, granting them precise control over access. Fudo also offers extensive monitoring and recording capabilities for active sessions across various protocols, such as SSH, RDP, VNC, and HTTPS, allowing for real-time observation or subsequent analysis of recorded sessions. A significant advantage is that neither the server nor the end-user devices need any agents to function properly. Additionally, Fudo improves session management by allowing users to connect to ongoing sessions, share them, pause, or terminate them at will. It also incorporates valuable features like Optical Character Recognition (OCR) and tagging for enhanced organization and usability. This robust array of functionalities firmly establishes Fudo as an essential resource for effective secure access management, catering to the diverse needs of modern users. With Fudo, organizations can confidently manage access while ensuring security and efficiency.

XplicitTrust Network Access offers a comprehensive Zero Trust Network Access (ZTNA) solution that enables users to securely access applications from any location. By seamlessly integrating with existing identity providers, it facilitates single sign-on and multi-factor authentication, utilizing factors such as user identity, device security, and geographic location. Furthermore, the platform is equipped with real-time network diagnostics and centralized asset tracking, enhancing overall visibility and management. Clients can benefit from a hassle-free setup, as there is no need for configuration, and it is designed to work across various operating systems, including Windows, MacOS, and Linux. XplicitTrust ensures high levels of security through robust encryption, end-to-end protection, automatic key rotation, and context-aware identification. Additionally, it accommodates secure connections and scalable access for a variety of applications, including Internet of Things (IoT) solutions, legacy systems, and remote desktop environments, making it a versatile choice for modern businesses. Overall, this solution is tailored to meet the evolving demands of today's digital landscape.

Bring your envisioned network to life with a solution that is not only quick to deploy but also simple to oversee. You won’t require extensive machinery to get underway. Protect crucial assets and devices that are unable to be patched by implementing a segmented virtual air gap. This approach enables secure interaction between any device or network across various environments, such as public, private, cloud, and mobile networks. Protect against unauthorized lateral movement that could threaten your network's stability. Remove the necessity for internal firewalls, intricate VLANs, and ACLs, while substituting expensive MPLS connections with cost-effective SD-WAN solutions. Simplify remote access for both employees and vendors, improve hybrid cloud connectivity, and enable efficient multi-cloud transport. Moreover, isolate and secure essential process controls and devices, safely share device data with cloud analytics, and provide secure vendor access to sensitive industrial networks. By adopting these strategies, you can achieve strong network segmentation that bolsters security, mitigates ransomware risks, and simultaneously enhances overall network efficiency, ensuring a resilient operational environment for your organization. This holistic approach not only fortifies your systems but also positions your network for future growth and adaptability.

Banyan offers a robust, secure solution tailored for enterprise application and infrastructure access. This innovative platform presents a cloud-based zero trust access approach as an alternative to traditional network access tools like VPNs, bastion hosts, and gateways. Users can effortlessly access infrastructure through a single click, all while keeping private networks protected from exposure. The installation is user-friendly, promoting high-performance connectivity. It automatically facilitates access to essential services, ensuring the integrity of private networks remains intact. Users can swiftly connect to SSH/RDP, Kubernetes, and numerous database environments, including well-known hosted applications such as GitLab, Jenkins, and Jira; additionally, a command-line interface is provided for convenience. This solution enhances collaboration in both on-premises and cloud environments without the hassle of complex IP whitelisting. Furthermore, it streamlines deployment, onboarding, and management with tag-based resource discovery and publishing features. The user-to-application segmentation is cloud-based, emphasizing availability, scalability, and ease of management. The platform significantly improves user experience by offering agentless, BYOD, and passwordless access, all supported by an intuitive one-click service catalog that simplifies application access even further. Ultimately, Banyan not only simplifies enterprise access management but also ensures a high level of security and operational efficiency, making it an essential tool for modern businesses.

To safeguard against data loss, malware, and phishing attacks, implementing a high-performance Zero Trust application access and internet browsing solution is essential. Relying solely on traditional tools to connect employees to corporate systems often leads to excessive trust being granted, creating significant data risks. The complexity of managing the corporate perimeter has escalated due to inconsistent configurations among VPNs, firewalls, proxies, and identity providers. Additionally, deciphering logs and comprehending user access to sensitive data has become increasingly intricate in today’s environment. It is vital for employees, partners, and customers to have access to a network that is secure, fast, and reliable for their operations. By adopting Cloudflare Zero Trust, traditional security barriers are replaced with a vast global edge, which boosts both speed and security for teams around the globe. This method guarantees that consistent access controls are enforced across cloud-based, on-premise, and SaaS applications, thereby facilitating a smooth and secure user experience. As cybersecurity threats continue to evolve, it is imperative to stay proactive and adaptive in order to ensure ongoing and effective protection against new challenges that may arise. Regular assessments and updates to security strategies will further enhance your organization’s resilience against these ever-changing threats.

Adopting a default-deny, Zero Trust policy for users accessing applications within any on-premises private network, public cloud, or SaaS environment significantly bolsters security measures. This strategy facilitates a more secure and efficient connection for users compared to conventional VPNs, while seamlessly integrating with your current identity providers and endpoint protection systems. You can take advantage of our Free plan for an unlimited period for up to 50 users, which allows for precise application access control that helps to prevent lateral movement within your infrastructure. Users can quickly obtain the resources they need, all while being prevented from accessing areas they should not enter. Cloudflare maintains a neutral stance concerning the types of identity and applications utilized, ensuring robust protection for any application, whether it is SaaS, cloud-based, or on-premises, through your selected identity provider. In addition, before granting access approval, it evaluates the device's posture by examining signals such as the presence of the Gateway client, serial numbers, and mTLS certificates, ensuring that only authorized and secure devices are permitted to connect to your critical resources. This all-encompassing security framework not only enhances connectivity but also strengthens your organization’s defenses against unauthorized access, creating a safer digital environment for all users. The result is a more resilient and adaptable security posture that can evolve alongside emerging threats and changing business needs.

FerrumGate is a project centered around Open Source Zero Trust Network Access (ZTNA) that leverages cutting-edge identity and access management technologies to ensure secure connectivity to your network. It incorporates multi-factor authentication, continuous surveillance, and detailed access controls to enhance security. This system is suitable for a variety of applications, including secure remote access, cloud security, and management of privileged access. Additionally, it supports identity and access management, endpoint security measures, and facilitates connectivity for Internet of Things (IoT) devices. With its comprehensive features, FerrumGate aims to provide a robust solution for modern cybersecurity challenges.

The Teleport Infrastructure Identity Platform represents a significant upgrade in the management of identity, access, and policies for infrastructure, catering to both human and non-human identities. This platform enhances the speed and reliability of essential infrastructure, making it more resilient to human errors and potential breaches. Focused on infrastructure-specific applications, Teleport employs trusted computing principles alongside a unified cryptographic identity system that encompasses humans, machines, and workloads. This capability allows for the identification of endpoints, infrastructure components, and AI agents alike. Our comprehensive identity solution seamlessly integrates identity governance, zero trust networking, and access management into one cohesive platform, thereby reducing operational complexities and eliminating silos. Furthermore, this integration fosters a more secure and efficient environment for managing diverse identities across various systems.

To maintain a strong security and compliance framework, it is crucial to have a comprehensive understanding of your entire network environment. Explore ways to gain immediate insight and governance over your complex hybrid network architecture, along with its policies and related risks. Security Manager provides centralized, real-time monitoring, control, and management of network security devices across hybrid cloud environments, all accessible through a single interface. This solution also includes automated compliance evaluations that help verify conformity to configuration standards and alert you to any violations that may occur. Whether you need ready-made audit reports or tailored options that cater to your specific requirements, Security Manager simplifies the policy configuration process, ensuring you are thoroughly equipped for any regulatory or internal compliance audits. Additionally, it enhances your capability to swiftly tackle any compliance challenges that may arise in the future, thereby reinforcing your overall security posture.