Best Free IT Security Software of 2026 - Page 25

ZITADEL serves as an open-source platform for identity and access management, aiming to streamline the processes of authentication and authorization for various applications. It encompasses a robust array of features, including customizable login pages, compatibility with contemporary authentication techniques like Single Sign-On (SSO) and social logins, as well as the implementation of multifactor authentication to bolster security measures. Developers have the option to either integrate ZITADEL’s APIs into their applications for direct authentication or create specialized login interfaces tailored to their needs. Furthermore, the platform's role-based access control mechanism allows for meticulous permission management tailored to specific user roles, and its multi-tenant architecture makes it easy to extend applications to accommodate new organizations. ZITADEL's flexibility not only supports diverse workflows and user management processes but also adheres to brand guidelines, with features such as ZITADEL Actions enabling the execution of workflows triggered by specific events without necessitating further code deployments. As a result, ZITADEL is an adaptable solution for businesses looking to enhance their identity management strategies efficiently.

Caido is an advanced web security toolkit for pentesters and bug bounty hunters. It's also a great solution for security teams that need a flexible and efficient way to test web applications. Caido includes a powerful interceptor proxy for capturing HTTP requests and manipulating them, replay functionality to test endpoints and automation tools to handle large-scale workflows. Its sitemap visualisation provides a clear picture of web application structures and helps users map and navigate complicated targets. HTTPQL allows users to filter and analyze traffic efficiently, while a no-code workflow and a plugin system allow for easy customizations to meet specific testing needs. Caido is built on a flexible Client/Server architecture that allows seamless access from anywhere. Its project-management system makes it easy to switch between targets, and eliminates the need to manually handle files. This keeps workflows organized.

Trivy serves as a robust and adaptable security scanning tool. It features a variety of scanners designed to identify security vulnerabilities and the various targets where these issues may arise. This tool is compatible with a wide array of programming languages, operating systems, and platforms, making it highly accessible. You can find Trivy through numerous common distribution channels, enhancing its reach. Additionally, Trivy seamlessly integrates with many widely-used platforms and applications, allowing for effortless incorporation of security measures into your workflow. With Trivy, users can detect vulnerabilities, misconfigurations, secrets, and SBOM across diverse environments such as containers, Kubernetes, code repositories, and cloud infrastructures, ensuring comprehensive security coverage for their projects. Its extensive capabilities make it an invaluable asset for maintaining security in modern development practices.

Container images are made up of various layers and software packages that can be at risk of vulnerabilities, which may jeopardize the safety of both containers and applications. These security risks necessitate proactive measures, and Docker Scout serves as an effective tool to bolster the security of your software supply chain. By examining your images, Docker Scout creates a detailed inventory of the components, referred to as a Software Bill of Materials (SBOM). This SBOM is then compared against a constantly updated database of vulnerabilities to identify potential security flaws. Operating as an independent service, Docker Scout can be accessed through Docker Desktop, Docker Hub, the Docker CLI, and the Docker Scout Dashboard. Furthermore, it supports integrations with external systems, including container registries and CI platforms. Take the opportunity to uncover and analyze the structure of your images, ensuring that your artifacts conform to the best practices of the supply chain. By leveraging Docker Scout, you can maintain a robust defense against emerging threats in your software environment.

We leverage state-of-the-art technology and sophisticated data analytics to maintain an edge over new fraud challenges. Our commitment is to protect your online platform, guaranteeing a safe and pleasant experience for both your business and its customers. Fraudnetic serves as your reliable partner for cutting-edge anti-fraud solutions specifically crafted for the gambling sector. We implement strong techniques to verify user identities, effectively reducing the chances of fraudulent activities. Our real-time monitoring system identifies suspicious and irregular behaviors, safeguarding financial transactions. We develop customized strategies aimed at risk mitigation, protecting gambling platforms against potential dangers. You’ll have the chance to navigate through Fraudnetic's intuitive interface and witness how effortlessly it fits into your current setup. Moreover, Fraudnetic is designed to accommodate the scale and requirements of your business, whether you are a startup or a well-established organization. With our services, you can enhance your operational security and provide peace of mind to your users.

NextAuth.js is a popular open-source authentication framework specifically designed for Next.js applications, providing smooth integration with well-known services such as Google, Facebook, Auth0, and Apple. It accommodates a range of authentication techniques, which include OAuth 1.0 and 2.0, email and passwordless sign-ins, as well as custom username and password solutions. Built with versatility in mind, NextAuth.js functions effectively in serverless settings and is compatible with various databases like MySQL, PostgreSQL, MSSQL, and MongoDB, giving developers the option to utilize either database sessions or JSON Web Tokens (JWT). To ensure security, it incorporates features like signed and prefixed server-only cookies, HTTP POST with CSRF token checks, and encrypted JWTs that adhere to JWS, JWE, and JWK standards. The framework is designed for quick implementation, allowing developers to integrate authentication features within minutes while requiring minimal configuration. In addition, extensive documentation and an active community contribute to its user-friendliness, making it an excellent choice for developers in search of a reliable authentication solution. Ultimately, NextAuth.js streamlines the integration process, empowering developers to focus more on building their applications rather than getting bogged down in authentication complexities.

Auth.js is a library for authentication that is open-source and crafted to work effortlessly with contemporary JavaScript frameworks, delivering a secure and adaptable authentication process. It accommodates a range of authentication techniques, such as OAuth options like Google and GitHub, traditional credentials, and WebAuthn, enabling developers to select the best-fitting method for their projects. This library is compatible with various frameworks, including Next.js, SvelteKit, Express, Qwik, and SolidStart, which allows for the implementation of authentication across diverse platforms. Additionally, Auth.js comes with built-in integration for widely-used databases like Prisma, Drizzle ORM, Supabase, Firebase, and TypeORM, making user data management straightforward. To ensure the safety of user information, it features security measures such as signed cookies, validation of CSRF tokens, and encrypted JSON Web Tokens (JWTs). Furthermore, Auth.js is optimized for performance in serverless settings, and it provides thorough documentation along with examples to assist developers. Overall, its versatility and robustness make Auth.js an excellent choice for building secure authentication systems in a variety of applications.

NexVision is an innovative platform utilizing AI technology to deliver comprehensive, real-time information gathering and enhanced cybersecurity solutions. This platform excels in providing in-depth contextual intelligence that includes insights into potential targets, their motivations, and detailed threat analytics. Its sophisticated search algorithm uncovers more than 120,000 concealed Tor sites each day, facilitating access to the deep web and dark web without requiring users to rely on anonymizing tools like Tor. Powered by AI and machine learning, NexVision's engine systematically collects, evaluates, and categorizes vast amounts of data from both publicly accessible sources and the deep web, boasting support for multiple languages and the ability to interpret natural language and decode steganography for identifying concealed information utilized by sophisticated threat actors. With a user-friendly interface, the platform allows users to set keyword alerts, conduct thorough investigations, and analyze findings while ensuring their anonymity is preserved. By implementing NexVision, organizations can take a proactive approach to protect their assets and foster a secure online environment, ultimately enhancing their overall cyber resilience. This makes NexVision a vital tool for anyone looking to stay ahead of emerging threats in the digital landscape.

OpenFGA serves as an open-source authorization framework that empowers developers to create detailed access control systems through an intuitive modeling language and API interfaces. Drawing inspiration from Google's Zanzibar paper, it accommodates a variety of access control methodologies, including Relationship-Based Access Control (ReBAC), Role-Based Access Control (RBAC), and Attribute-Based Access Control (ABAC). The solution provides software development kits (SDKs) for several programming languages, including Java, .NET, JavaScript, Go, and Python, which enhances its adaptability for various applications. Designed for optimal performance, OpenFGA can execute authorization checks in mere milliseconds, making it ideal for both emerging startups and well-established enterprises. As a sandbox project under the Cloud Native Computing Foundation (CNCF), OpenFGA is committed to fostering transparency and community engagement, encouraging developers to participate in its ongoing development and governance. This collaborative approach not only enriches the project but also ensures that it evolves to meet the changing needs of its users.

Permify is an advanced authorization service tailored for developers looking to create and oversee detailed, scalable access control systems within their software applications. Drawing inspiration from Google's Zanzibar, it allows users to organize authorization models, store authorization data in chosen databases, and utilize its API for managing authorization queries across diverse applications and services. The service accommodates various access control models, such as Role-Based Access Control (RBAC) and Attribute-Based Access Control (ABAC), which support the development of detailed permissions and policies. By centralizing authorization logic, Permify abstracts it from the core codebase, making it simpler to reason about, test, and debug. Additionally, it offers a range of flexible policy storage options and includes a role manager for managing RBAC role hierarchies effectively. The platform enhances efficiency in large, multi-tenant setups by implementing filtered policy management, ensuring that access controls are enforced seamlessly across different environments. With its robust features, Permify stands out as a comprehensive solution for modern access management challenges.

GoAccess is a real-time web log analysis tool that is open-source and can be utilized via a terminal on Unix-like systems or through a web browser interface. Its design prioritizes quick analysis, delivering immediate HTTP statistics that are particularly beneficial for system administrators seeking prompt insights into server performance. This versatile tool accommodates multiple web log formats, such as those from Apache, Nginx, Amazon S3, Elastic Load Balancing, CloudFront, and Caddy, which allows users to select the log format and analyze their logs without difficulty. Developed in C, GoAccess has a minimal dependency requirement of just ncurses, which contributes to its rapid millisecond-level updates. It features customizable dashboards for both terminal and web interfaces, allowing users to adjust color schemes to meet their aesthetic preferences. In addition to terminal outputs, GoAccess can produce detailed, self-contained HTML reports in real-time, as well as JSON files, thereby enhancing capabilities for analytics, monitoring, and data visualization. The ability to generate various output formats makes GoAccess a flexible choice for administrators looking to optimize their log analysis processes.

GitHub Advanced Security empowers developers and security professionals to collaborate effectively in addressing security debt while preventing new vulnerabilities from entering code through features such as AI-driven remediation, static analysis, secret scanning, and software composition analysis. With Copilot Autofix, code scanning identifies vulnerabilities, offers contextual insights, and proposes solutions within pull requests as well as for past alerts, allowing teams to manage their application security debt more efficiently. Additionally, targeted security campaigns can produce autofixes for up to 1,000 alerts simultaneously, significantly lowering the susceptibility to application vulnerabilities and zero-day exploits. The secret scanning feature, equipped with push protection, safeguards over 200 types of tokens and patterns from a diverse array of more than 150 service providers, including hard-to-detect secrets like passwords and personally identifiable information. Backed by a community of over 100 million developers and security experts, GitHub Advanced Security delivers the necessary automation and insights to help teams release more secure software on time, ultimately fostering greater trust in the applications they build. This comprehensive approach not only enhances security but also streamlines workflows, making it easier for teams to prioritize and address potential threats.

tirreno is open security analytics. tirreno detects threats where they actually happen: inside your product. It adds a security layer to internal or external applications to identify malicious activity by analyzing user behavior, account activity, field changes history, and business logic abuse that infrastructure tools are unable to detect.

Zoho Directory, a cloud-based platform for identity and access management, is designed to streamline authentication and authorization. It also simplifies user management. Single Sign-On (SSO), which allows employees to access multiple apps with a single set credentials, enhances security and user convenience. Multi-Factor Authentication is supported by the platform, adding an additional layer of protection from unauthorized access. Device authentication provides secure access to applications and devices. Employees can use the same credentials on all platforms. Zoho Directory offers robust provisioning capabilities, which allow IT administrators to create user profiles for various applications from the platform. This reduces the time spent on repetitive work. Directory stores facilitate integration with existing directories such as Microsoft Active Directory or Azure AD.

Paralus is an open-source tool available at no cost that facilitates controlled and audited access to Kubernetes infrastructure. It features on-demand service account creation and manages user credentials effectively, working in harmony with existing Role-Based Access Control (RBAC) and Single Sign-On (SSO) frameworks. By implementing zero-trust security practices, Paralus guarantees safe access to Kubernetes clusters, handling the creation, maintenance, and revocation of access configurations across multiple clusters, projects, and namespaces. Users can choose between a web-based graphical interface or command-line tools for managing kubeconfigs directly from the terminal, ensuring flexibility in usage. In addition to these features, Paralus provides robust auditing capabilities, which deliver thorough logging of user activities and resource access, aiding in both real-time updates and historical analysis. The installation process is user-friendly, with Helm charts readily available for deployment in diverse environments, including major cloud platforms and on-premises configurations. With its focus on security and usability, Paralus is an invaluable asset for organizations looking to enhance their Kubernetes management.

Netwrix Active Directory Risk Assessment serves as a complimentary resource designed to uncover security vulnerabilities within your Active Directory and Group Policy structures. This tool grants insights into account permissions and configurations, which is essential for identifying and alleviating possible threats. It generates an in-depth report that reveals weaknesses, including accounts with passwords that never expire, disabled accounts lacking secure management, and accounts that hold excessive privileges. By bringing these concerns to light, it empowers organizations to implement necessary changes to strengthen their security measures. The user-friendly nature of the assessment means that it does not require installation; instead, it operates as a portable executable, allowing IT administrators to swiftly assess their Active Directory environments. Utilizing this tool on a regular basis can play a crucial role in upholding a secure and compliant IT framework by continuously pinpointing and rectifying potential security flaws. Furthermore, the simplicity of the tool encourages frequent evaluations, promoting a culture of ongoing security vigilance within the organization.

PryvateNow serves as an all-encompassing communication platform that ensures the encryption and protection of voice and video calls, instant messages, emails, and conference calls, whether conducted on or off a network. Designed for small to large businesses, it enables organizations to maintain complete oversight of their communications and data security. Among its standout features are Post-Quantum ZRTP encryption, which guarantees top-tier data protection, as well as integrated auditing and compliance that meet the standards of MiFID II, HIPAA, and GDPR. Additionally, it offers white-labeled OEM versions of Pryvate Closed User Groups (CUG) for customized user experiences. The platform also includes a Secure Integration Kit for VoIP, facilitating the smooth incorporation of Pryvate's secure communication tools into existing systems. Moreover, PryvateNow's technology encompasses not only encrypted voice and video calls but also secure options for email, file transfer, storage, and hosting voice and video conferences with utmost security. This holistic approach ensures that users can communicate confidently and securely across various channels.

RAV Endpoint Protection represents a cutting-edge antivirus solution that employs AI-driven Endpoint Detection and Response (EDR) technology to deliver immediate defenses against sophisticated cyber threats. Its streamlined engine demands less from device resources than traditional antivirus software, allowing for smooth performance without requiring technical know-how. This platform provides thorough online safety alongside identity monitoring, protecting users from various threats such as phishing, ransomware, and adware while they navigate the internet. Furthermore, it features digital identity management tools, including personal data monitoring and dark web scanning, which notify users if their identity has been compromised. The innovative ransomware defense and malware detection capabilities use sophisticated heuristics to identify and warn users about potentially unfamiliar ransomware risks. Notably, RAV Endpoint Protection also prioritizes user privacy with protective measures for webcams and microphones, effectively reducing possible access points for cybercriminals. By combining these features, it creates a robust security framework that adapts to the evolving landscape of cyber threats.

Pomerium serves as a secure, clientless solution that allows users to access web applications and services effortlessly, bypassing the necessity of a corporate VPN. By focusing on enhancing developer productivity, it removes convoluted user access processes that can obstruct workflow efficiency. Unlike traditional client-based tunneling solutions, Pomerium ensures rapid connections with minimal latency while maintaining robust security and privacy standards. Utilizing contextual information for access control, it adopts the principle of continuous verification, embodying a zero trust framework where each action is assessed based on contextual elements before approval or rejection. This method stands in stark contrast to NextGen VPNs, which typically only confirm authentication and authorization at the beginning of a session. Furthermore, Pomerium facilitates secure access to various platforms, including web applications, databases, Kubernetes clusters, internal tools, and legacy systems, making it an ideal choice for both individuals and teams of any size. With its innovative approach, Pomerium is revolutionizing the way organizations manage access to their digital resources.

Authentik serves as an open-source identity provider that consolidates all your identity management needs into a singular platform, effectively replacing solutions like Okta, Active Directory, and Auth0. Authentik Security operates as a public benefit company focused on enhancing the open-source initiative. By utilizing a self-hosted, open-source identity provider, you are able to emphasize security and maintain control over your most confidential information. With authentik, the reliance on third-party services for your identity management is eliminated, offering greater peace of mind. You can seamlessly integrate authentik into your existing environment, tailoring it to meet diverse requirements. Our APIs and fully customizable policies empower you to automate workflows effectively. Deployment and scaling are made easier with our prebuilt templates and compatibility with Kubernetes, Terraform, and Docker Compose. You can avoid depending on external services for essential infrastructure and safeguard your sensitive data from the public internet. Take advantage of our pre-built workflows, or opt to modify every stage of authentication through flexible templates, infrastructure as code, and extensive APIs, ensuring a personalized experience. This flexibility allows you to adapt authentik to suit your unique organizational needs while enhancing security measures.

Authelia serves as an open-source server and portal for authentication and authorization, effectively managing identity and access in information security by providing multi-factor authentication and single sign-on capabilities through a web portal for various applications. This tool is designed to work seamlessly with popular reverse proxies. Notably, it boasts a compact container size of under 20 megabytes and typically consumes less than 30 megabytes of memory, making it one of the most lightweight options available. Developed using Go and React, it executes authorization policies and backend tasks in just milliseconds, with login portal loading times averaging around 100 milliseconds, positioning it among the fastest solutions on the market. Despite the high energy consumption of processors under load, Authelia's idle power usage is so minimal that it is nearly unmeasurable, while its active usage in a small business setting remains below 1%, excluding the process of password hashing, providing peace of mind. The design of Authelia places a strong emphasis on security, ensuring that user data is well protected throughout its operations. This commitment to security is an integral aspect of the overall functionality and reliability of the system.

Wizer provides straightforward security awareness training and phishing simulations designed to enhance your organization's security culture effectively. The training is concise and direct, allowing users to get started at no cost! The platform features a variety of training modules, phishing simulations, learner experiences, and secure coding education. Its extensive video library contains hundreds of videos, with fresh content added every month, making micro-learning quick, engaging, and efficient. Topics covered in the videos include both fundamental and advanced security awareness, compliance training, onboarding for new employees, home safety tips, and a wide array of additional subjects. Additionally, language packs are offered, which include videos complete with text and voice-overs in various languages, catering to a diverse audience. Wizer also boasts a transparent and straightforward pricing structure, with a free plan that provides essential annual training along with tracking and reporting features to assist your team in fulfilling basic security awareness obligations. With its user-friendly approach and comprehensive resources, Wizer is committed to empowering organizations to prioritize security awareness effectively.

DeCloudUs is a customizable DNS service that prioritizes privacy and aims to strengthen online security by blocking ads, trackers, malware, phishing attempts, and harmful websites. Users can create multiple custom DNS profiles, which allow for specific filtering rules and parental controls tailored to their needs. The service supports encrypted DNS protocols like DNSCrypt, DNS over TLS (DoT), and DNS over HTTPS (DoH), ensuring that DNS queries remain secure and private. Operating on a self-hosted infrastructure, DeCloudUs avoids reliance on third-party cloud services and adheres to a stringent zero-logs policy to protect user privacy. Subscription plans grant access to a variety of DNS servers, each with unique filtering capabilities that cater to different user requirements. In addition, DeCloudUs is suitable for all devices, making it an ideal solution for entire home networks, providing comprehensive protection against various online threats. This ensures that users can enjoy a safer browsing experience across all platforms and devices.

RethinkDNS is an innovative and open-source application aimed at improving online security and privacy for users of Android devices. It integrates a DNS resolver, firewall, and VPN client into one comprehensive tool, empowering users to effectively block ads, trackers, malware, and spyware across all applications. Supporting more than 190 blocklists, including those utilized by leading ad blockers like uBlock Origin, the app enhances user experience. By encrypting DNS queries through DNS over HTTPS (DoH) or DNS over TLS (DoT), RethinkDNS guarantees secure and private internet connections. Furthermore, it features a flexible firewall that allows users to manage internet access for each app individually, along with a built-in WireGuard VPN client for securing outgoing connections. Available for download on both the Google Play Store and F-Droid, RethinkDNS aims to transform Android devices into user-controlled agents that align with their specific needs and preferences, ultimately fostering a more personalized online experience. This ambition to enhance user autonomy reflects the growing demand for greater control over digital privacy.

personalDNSfilter is a Java-based DNS filtering proxy that captures domain name resolutions, redirecting filtered domains to the loopback address. It is compatible with secure DNS protocols such as DNS over HTTPS (DoH) and DNS over TLS (DoT), functioning on any device that supports Java. This application is designed to be efficient in memory use, enabling it to filter millions of domains while only utilizing a modest amount of RAM. For Android devices running version 4.2 or later, personalDNSfilter serves as a robust solution for blocking ads, malware, and tracking services without the need for root access. It can seamlessly integrate with any upstream DNS server, facilitating local filtering without external queries. The software is equipped with preloaded ad host filter lists, and users have the flexibility to incorporate additional lists as needed. Moreover, personalDNSfilter can be deployed either on an individual device or as a centralized DNS server to manage network-wide filtering. This versatility makes it an ideal choice for users looking to enhance their online privacy and security.