Showing 1215 open source projects for "non-free"

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    $300 Free Credits for Your Google Cloud Projects

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    Auth0 B2B Essentials: SSO, MFA, and RBAC Built In

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    Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
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  • 1
    Ghidra

    Ghidra

    Ghidra is a software reverse engineering (SRE) framework

    Ghidra is a free and open-source reverse engineering framework developed by the NSA for analyzing compiled software. It supports a wide array of instruction sets and executable formats, offering features such as decompilation, disassembly, scripting, and interactive graphing. Designed for security researchers and analysts, Ghidra provides a robust environment for understanding malware, auditing code, and performing software forensics.
    Downloads: 48,197 This Week
    Last Update:
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  • 2
    frida

    frida

    Dynamic instrumentation toolkit for developers

    ...Install the Node.js bindings from npm, grab a Python package from PyPI, or use Frida through its Swift bindings, .NET bindings, Qt/Qml bindings, or C API. Frida is and will always be free software (free as in freedom). We want to empower the next generation of developer tools, and help other free software developers achieve interoperability through reverse engineering. We are proud that NowSecure is using Frida to do fast, deep analysis of mobile apps at scale. Frida has a comprehensive test-suite and has gone through years of rigorous testing across a broad range of use-cases.
    Downloads: 395 This Week
    Last Update:
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  • 3
    Shadowsocks for Android

    Shadowsocks for Android

    A shadowsocks client for Android

    ...Shadowsocks for Android allows you to surf the internet privately and securely at all times through your Android device. It features bleeding-edge techniques with Asynchronous I/O and Event-driven programming. It is completely free and open-source and is available for other platforms as well.
    Downloads: 66 This Week
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  • 4
    Portmaster

    Portmaster

    Block Mass Surveillance

    ...Or block all p2p connections except for certain apps. Or never connect to specific countries. Portmaster has you covered. Portmaster is not only very powerful, but is also free & open source.
    Downloads: 63 This Week
    Last Update:
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    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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  • 5
    SpotX

    SpotX

    SpotX patcher used for patching the desktop version of Spotify

    SpotX is a community-built Spotify desktop client patcher that blocks audio, video, and banner ads and unlocks premium-like features—such as unlimited skips and custom themes—on Windows, macOS, and Linux. It injects tweaks client-side to redefine the Spotify experience.
    Downloads: 125 This Week
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  • 6
    SoftEther VPN

    SoftEther VPN

    Cross-platform multi-protocol VPN software

    An open-source free cross-platform multi-protocol VPN program, as an academic project from University of Tsukuba, under the Apache License 2.0. The API Suite allows you to easily develop your original SoftEther VPN Server management application to control the VPN Server (e.g. creating users, adding Virtual Hubs, disconnecting a specified VPN sessions) from JavaScript, TypeScript, C# or other languages.
    Downloads: 123 This Week
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  • 7
    Buttercup Desktop

    Buttercup Desktop

    Cross-Platform Passwords & Secrets Vault

    Buttercup for desktop is a beautifully-simple password manager designed to help manage your credentials. Buttercup uses very strong encryption to protect your sensitive details under a single master password - Feel free to use stronger and more complex passwords for each service and let Buttercup store them securely. Buttercup is free to download and use and is available for Windows, Mac and Linux. Use it alongside the browser extension and mobile app for a completely portable experience. Strong 256bit AES encrypted vaults that meet today's security standards. ...
    Downloads: 5 This Week
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  • 8
    InterceptSuite

    InterceptSuite

    A TLS MITM proxy for Non-HTTP traffic, with support for TLS upgrades

    InterceptSuite is a cross‑platform, SOCKS5‑based MITM proxy specially designed to intercept, inspect, analyze, and manipulate encrypted network traffic at the TCP/TLS layer. It goes beyond HTTP‑focused tools like Burp Suite and ZAP by providing universal TLS interception—including STARTTLS and non‑HTTP protocols—offering deep visibility and control for security testing and debugging. InterceptSuite bridges this gap by providing a universal TLS interception engine that works with any protocol, giving security researchers the tools they need to analyze, understand, and test encrypted communications effectively. With Python extension support, users can add custom protocol dissection capabilities tailored to their specific needs.
    Downloads: 9 This Week
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  • 9
    Blokada Apps

    Blokada Apps

    Repo for Blokada apps

    ...If you want to efficiently block ads, trackers, malware, save on your data plan, speed up your device and protect your privacy with just one application, then Blokada is for you. It is free, secure and open source. For ultimate privacy protection, upgrade to Blokada Plus and connect through our VPN. Available in both Blokada 6 and Blokada 5. We use WireGuard®, the most advanced VPN protocol, to encrypt your network activity and hide your IP address.
    Downloads: 160 This Week
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    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 10
    Typhoon

    Typhoon

    Minimal and free Kubernetes distribution with Terraform

    Typhoon is a minimal and free Kubernetes distribution. Minimal, stable base Kubernetes distribution. Declarative infrastructure and configuration. Free (freedom and cost) and privacy-respecting. Practical for labs, datacenters, and clouds. Typhoon distributes upstream Kubernetes, architectural conventions, and cluster addons, much like a GNU/Linux distribution provides the Linux kernel and userspace components.
    Downloads: 4 This Week
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  • 11
    GnuPG

    GnuPG

    Complete and free implementation of the OpenPGP standard

    GnuPG (GNU Privacy Guard) is a widely used free software encryption system that implements the OpenPGP standard to provide secure communication and data protection across multiple platforms. It uses a hybrid cryptographic approach combining symmetric encryption for performance with public-key cryptography for secure key exchange and identity verification. The software allows users to encrypt files and messages, create digital signatures, and manage cryptographic keys, making it a foundational tool for privacy-focused workflows. ...
    Downloads: 19 This Week
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  • 12
    Algo VPN

    Algo VPN

    Set of Ansible scripts that simplifies the setup of a personal VPN

    ...Algo automatically deploys an on-demand VPN service in the cloud that is not shared with other users, relies on only modern protocols and ciphers, and includes only the minimal software you need. And it’s free. For anyone who is privacy conscious, travels for work frequently, or can’t afford a dedicated IT department, this one’s for you. Really, the paid-for services are just commercial honeypots. If an attacker can compromise a VPN provider, they can monitor a whole lot of sensitive data. Paid-for VPNs tend to be insecure: they share keys, their weak cryptography gives a false sense of security, and they require you to trust their operators. ...
    Downloads: 28 This Week
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  • 13
    IPBan

    IPBan

    IPBan is a trusted, free security software to block hackers

    Since 2011, IPBan is the world's most trusted, free security software to block hackers and botnets. With both Windows and Linux support, IPBan has your dedicated or cloud server protected. Upgrade to IPBan Pro today and get a discount. Auto-ban ip addresses by detecting failed logins from event viewer and/or log files. On Linux, SSH is watched by default. On Windows, RDP, OpenSSH, VNC, MySQL, SQL Server, Exchange, SmarterMail, and MailEnable are watched.
    Downloads: 26 This Week
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  • 14
    shadowsocks-libev

    shadowsocks-libev

    Bug-fix-only libev port of shadowsocks

    Shadowsocks-libev is a lightweight secured SOCKS5 proxy for embedded devices and low-end boxes. Shadowsocks-libev is written in pure C and depends on libev. It's designed to be a lightweight implementation of shadowsocks protocol, in order to keep the resource usage as low as possible. Snap is the recommended way to install the latest binaries. You can build shadowsocks-libev and all its dependencies by script. The latest shadowsocks-libev has provided a redir mode. You can configure your...
    Downloads: 4 This Week
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  • 15
    ZAP

    ZAP

    The OWASP ZAP core project

    The OWASP Zed Attack Proxy (ZAP) is one of the world’s most popular free security tools and is actively maintained by a dedicated international team of volunteers. It can help you automatically find security vulnerabilities in your web applications while you are developing and testing your applications. It's also a great tool for experienced pentesters to use for manual security testing. ZAP is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications. ...
    Downloads: 118 This Week
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  • 16
    Trillian

    Trillian

    A transparent, highly scalable and cryptographically verifiable data

    trillian is a transparent, cryptographically verifiable data store built on Merkle trees that provides append-only logs and verifiable key–value maps. It separates a storage layer from a verifiability layer, letting applications prove inclusion, consistency, and non-existence through compact cryptographic proofs. The system is designed for horizontal scale with gRPC APIs, enabling multiple frontends and sequencers to operate over a shared backend. Common use cases include certificate transparency, package registries, and audit logs where public verifiability or tamper evidence is required. Trillian exposes both “log” and “map” primitives so developers can choose between append-only timelines or verifiable dictionaries depending on their data model. ...
    Downloads: 7 This Week
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  • 17
    OSINT Framework

    OSINT Framework

    OSINT Framework

    OSINT-Framework is a web-based intelligence resource map designed to help investigators and researchers quickly locate free open-source intelligence tools and data sources. Rather than functioning as an automated scanner, it organizes hundreds of OSINT resources into a structured, navigable interface grouped by investigation type, such as usernames, email addresses, domains, and social media. The project was originally created from an information security perspective but has since expanded to support journalists, analysts, and digital investigators across many disciplines. ...
    Downloads: 61 This Week
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  • 18
    FLARE VM

    FLARE VM

    A collection of software installations scripts for Windows systems

    FLARE VM is a security-focused Windows workstation distribution designed for malware analysis, reverse engineering, penetration testing, and threat hunting. It bundles a curated set of tools—disassemblers, debuggers, decompilers, virtualization, forensics utilities, packet capture tools, exploit frameworks, and hex editors—preconfigured to work together. The environment configures paths, dependencies, environment variables, and common tool integrations so analysts can focus on tasks rather...
    Downloads: 97 This Week
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  • 19
    Vuls

    Vuls

    Agentless vulnerability scanner for Linux/FreeBSD

    Vuls is open-source, agent-less vulnerability scanner based on information from NVD, OVAL, etc. Vuls uses multiple vulnerability databases NVD, JVN, OVAL, RHSA/ALAS/ELSA/FreeBSD-SA and Changelog. Vuls v0.5.0 now possible to detect vulnerabilities that patches have not been published from distributors. Remote scan mode is required to only setup one machine that is connected to other scan target servers via SSH. If you don't want the central Vuls server to connect to each server by SSH, you...
    Downloads: 57 This Week
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  • 20
    mitmproxy

    mitmproxy

    A free and open source interactive HTTPS proxy

    mitmproxy is an open source, interactive SSL/TLS-capable intercepting HTTP proxy, with a console interface fit for HTTP/1, HTTP/2, and WebSockets. It's the ideal tool for penetration testers and software developers, able to debug, test, and make privacy measurements. It can intercept, inspect, modify and replay web traffic, and can even prettify and decode a variety of message types. Its web-based interface mitmweb gives you a similar experience as Chrome's DevTools, with the addition of...
    Downloads: 8 This Week
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  • 21
    World Monitor

    World Monitor

    Real-time global intelligence dashboard

    ...The application can run as a native desktop app or progressive web app, reflecting a focus on accessibility and offline-capable intelligence workflows. Overall, worldmonitor positions itself as a free OSINT-style monitoring hub for analysts, researchers, and anyone needing real-time global awareness.
    Downloads: 57 This Week
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  • 22
    SIPVicious

    SIPVicious

    Security tools that can be used to audit SIP based VoIP systems

    SIPVicious OSS has been around since 2007 and is actively updated to help security teams, QA and developers test SIP-based VoIP systems and applications. Open-source security suite for auditing SIP based VoIP systems. Also known as friendly-scanner, it is freely available to help pentesters, security teams and developers quickly test their SIP systems. Download the latest source code from git or the latest release, send pull requests and open issues. Install the latest and greatest release...
    Downloads: 10 This Week
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  • 23
    ThreatMapper

    ThreatMapper

    Open source cloud native security observability platform

    Thousands of companies trust Deepfence to secure their most critical cloud workloads and applications with a unified platform. Experience rapid threat detection and remediation, while significantly reducing non-critical security alerts by 90%. Deepfence ThreatMapper hunts for threats in your production platforms, and ranks these threats based on their risk of exploit. It uncovers vulnerable software components, exposed secrets, and deviations from good security practices. ThreatMapper uses a combination of agent-based inspection and agent-less monitoring to provide the widest possible coverage to detect threats. ...
    Downloads: 6 This Week
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  • 24
    Mullvad VPN desktop and mobile app

    Mullvad VPN desktop and mobile app

    The Mullvad VPN client app for desktop and mobile

    ...We designed Mullvad to be easy to use. Privacy is essential in a well-functioning society, as it allows norms, ethics and laws to be safely debated and challenged. Without privacy, a free and open society cannot flourish or exist.
    Downloads: 64 This Week
    Last Update:
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  • 25
    privacy.sexy

    privacy.sexy

    Open-source tool to enforce privacy & security best-practices

    Enforce privacy & security best practices on Windows, macOS, and Linux, because privacy is sexy. Regularly applying your configuration with privacy.sexy is recommended, especially after each new release and major operating system updates. Each version updates scripts to enhance stability, privacy, and security.
    Downloads: 3 This Week
    Last Update:
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