Browse free open source C Security Software and projects below. Use the toggles on the left to filter open source C Security Software by OS, license, language, programming language, and project status.

  • Red Hat Enterprise Linux on Microsoft Azure Icon
    Red Hat Enterprise Linux on Microsoft Azure

    Deploy Red Hat Enterprise Linux on Microsoft Azure for a secure, reliable, and scalable cloud environment, fully integrated with Microsoft services.

    Red Hat Enterprise Linux (RHEL) on Microsoft Azure provides a secure, reliable, and flexible foundation for your cloud infrastructure. Red Hat Enterprise Linux on Microsoft Azure is ideal for enterprises seeking to enhance their cloud environment with seamless integration, consistent performance, and comprehensive support.
  • Top-Rated Free CRM Software Icon
    Top-Rated Free CRM Software

    216,000+ customers in over 135 countries grow their businesses with HubSpot

    HubSpot is an AI-powered customer platform with all the software, integrations, and resources you need to connect your marketing, sales, and customer service. HubSpot's connected platform enables you to grow your business faster by focusing on what matters most: your customers.
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    IPCop Firewall

    IPCop Firewall

    Linux firewall distribution geared towards home and SOHO users.

    The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.
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    Downloads: 314 This Week
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    Clam sentinel is a program that detects file system changes and automatically scans the files added or modified using ClamWin. Require the installation of ClamWin. For Microsoft Windows 98/98SE/Me/2000/XP/Vista, Windows 7 and Windows 8.1.
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    Downloads: 134 This Week
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  • 3
    Robolinux

    Robolinux

    MAX Privacy with Robolinux R12.12

    All 3 Robolinux Desktop versions come with new login and grub boot splash screens & LibreWolf browser which has the highest privacy! LibreWolf is a fork of Firefox so you can use its data. The Legacy Bios isos only work in VM's & Non UEFI PC's. Don't miss 50% Off 12+ price only $59.95 Expires Sept 30 2024 The 12+ Sale details Robo UNTRACKER Custom Installer FREE! Save $40 FAAST Boot Custom Installer FREE! Save $40 Backdoor security Custom Installer FREE! Save $40 12 Advanced upgrades! Privacy App installers FREE! Stealth VM for FREE! Save $40 C Drive to VM for FREE! Save $40 The UNTRACKER makes you 100% anonymous on the internet so you can stop being tracked & traced by Evil Governments & Spy Agencies! All Robolinux R12 rolling realease Legacy BIOS & UEFI versions have the newest 5.15 Linux Kernel, compilers & software libraries & applications. Each rock solid R12 version has Long Term Support through 2025 Follower of YASHUA! John Martinson Robolinux.org
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    Downloads: 125 This Week
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  • 4
    Endian Firewall Community
    Endian Firewall Community (EFW) is a "turn-key" linux security distribution that makes your system a full featured security appliance with Unified Threat Management (UTM) functionalities. The software has been designed for the best usability: very easy to install, use and manage and still greatly flexible. The feature suite includes stateful packet inspection firewall, application-level proxies for various protocols (HTTP, FTP, POP3, SMTP) with antivirus support, virus and spam-filtering for email traffic (POP and SMTP), content filtering of Web traffic and a "hassle free" VPN solution (based on both OpenVPN and IPsec).
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    Downloads: 474 This Week
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  • Cyber Risk Assessment and Management Platform Icon
    Cyber Risk Assessment and Management Platform

    ConnectWise Identify is a powerful cybersecurity risk assessment platform offering strategic cybersecurity assessments and recommendations.

    When it comes to cybersecurity, what your clients don’t know can really hurt them. And believe it or not, keep them safe starts with asking questions. With ConnectWise Identify Assessment, get access to risk assessment backed by the NIST Cybersecurity Framework to uncover risks across your client’s entire business, not just their networks. With a clearly defined, easy-to-read risk report in hand, you can start having meaningful security conversations that can get you on the path of keeping your clients protected from every angle. Choose from two assessment levels to cover every client’s need, from the Essentials to cover the basics to our Comprehensive Assessment to dive deeper to uncover additional risks. Our intuitive heat map shows you your client’s overall risk level and priority to address risks based on probability and financial impact. Each report includes remediation recommendations to help you create a revenue-generating action plan.
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    FreeOTFE

    FreeOTFE

    A free "on-the-fly" transparent disk encryption program for PC & PDAs.

    An upstream source site housing the original files for this mirror is no longer available. With this software, you can create one or more "virtual disks" on your PC/PDA. These disks operate exactly like a normal disk, with the exception that anything written to one of them is transparently, and securely, encrypted before being stored on your computer's hard drive.
    Downloads: 15 This Week
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  • 6

    Free-SA

    Free-SA is report generating tool for web, proxy and mail log files

    Free-SA is logs processor and report generating tool. It can be used to control traffic usage, to evaluate conformance to the Internet access security policies, to investigate security incidents, to evaluate web server efficiency and to detect troubles with server configuration.
    Downloads: 8 This Week
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  • 7
    THIS PROJECT HAS BEEN ABANDONED SINCE 2007, NO SUPPORT WILL BE PROVIDED. Winpooch is a watchdog for Windows (2000, XP, 2003, but only 32-bits). It detects modifications in your system, so as to detect a trojan or a spyware installation. It also includes a real-time anti-virus. Set your own security level for anti-spyware, ant
    Downloads: 6 This Week
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  • 8
    gnoMint
    An easy CA managing tool for graphical and command line environments.
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    Downloads: 7 This Week
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  • 9
    OpenCA

    OpenCA

    Open Source PKI solutions

    The OpenCA PKI Development Project is a collaborative effort to develop a robust, full-featured and Open Source out-of-the-box Certification Authority implementing the most used protocols with full-strength cryptography world-wide.
    Downloads: 2 This Week
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  • A CRM and Sales Data Management Platform for Multi-Line Sales Teams Icon
    A CRM and Sales Data Management Platform for Multi-Line Sales Teams

    The CRM, sales reporting, and commission tracking tool uniquely tailored to the needs of manufacturers, sales reps, and distributors.

    Repfabric is a customer relationship management (CRM) software designed specifically for multi-line sales teams (i.e. reps, distributors, wholesalers, dealers, and manufacturers). It streamlines and simplifies the sales process by providing deep integration with email, contacts, calendars, and deal tracking. The platform enables users to track commissions from CRM to sale, make updates directly from mobile devices, and document sales calls using voice-to-text features.
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    Common Hardware Recovery Solutions by Ukrainian-Russian network
    Downloads: 1 This Week
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  • 11
    BruteNet is a system of the distributed brute force and distributed calculations built on user extensions capable to solve a great number of problems related to the partition on a lot of machines.With sample extention you can distribute brute md5-hash
    Downloads: 1 This Week
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  • 12
    Kamikaze IRCD is a premium class of russian IRCD based on bahamut ircd core. Full SSL support and unicode charset mappings/nicknames.
    Downloads: 1 This Week
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  • 13
    Bruteblock allows system administrators to block various bruteforce attacks on UNIX services. The program analyzes system logs and adds attacker's IP into IPFW table effectively blocking them. Addresses are removed from the table after expiration period
    Downloads: 0 This Week
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  • 14
    This is cryptographic disk driver for FreeBSD. It provides transparent encryption and decryption of selected devices. It is based on vn(4).
    Downloads: 0 This Week
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  • 15
    CyberDemon is highly experimental prototype of the antivirus engine and is based on a new model of artificial neuron (cyberneuron).
    Downloads: 0 This Week
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  • 16
    A free, open source, "on-the-fly" (OTFE) transparent disk encryption program. Using this software, you can create one or more "virtual disks" on your PC - anything written to which will be automatically, and securely, encrypted before being store
    Downloads: 0 This Week
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  • 17
    FreeOTFE Explorer
    FreeOTFE Explorer allows encrypted volumes to be mounted on MS Windows PCs, and their contents accessed (both reading and writing) via a Windows Explorer-style user interface - with NO administrator rights needed!
    Downloads: 0 This Week
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  • 18
    A free, open source, "on-the-fly" transparent disk encryption program. With this software, you can create one or more "virtual memory cards" on your PDA - anything written to which will be automatically, and securely, encrypted before being store
    Downloads: 0 This Week
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  • 19
    GTCop Professional Security Appliance aims to provide a powerful tool for satellite communications, with enhanced QoS and bandwidth controls. As derived from IPCop Firewall, it is a stable, secure, easy to configure and maintain GNU/Linux firewall box.
    Downloads: 0 This Week
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  • 20
    KAVClient is a C language interface to Kaspersky Antivirus Daemon (KAVDaemon), a part of Kaspersky Antivirus for Linux, a popular anti-virus software from Kaspersky Lab (www.kaspersky.com).
    Downloads: 0 This Week
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  • 21
    OpenVPN GUI is a graphical frontend for OpenVPN running on Windows XP / Vista / 7 / 8. It creates an icon in the notification area from which you can control OpenVPN to start/stop your VPN tunnels, view the log and do other useful things. NOTE: the official project page is now hosted on GitHub: https://github.com/OpenVPN/openvpn-gui/
    Downloads: 0 This Week
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  • 22
    P3Scan is a fully transparent scanning proxy-server for email clients. It provides scanning of incoming/outgoing email messages for Virus''s, Worms, Trojans, Spam, and harmfull attachments. It can also parse messages for web-bugs.
    Downloads: 0 This Week
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  • 23
    PassGenWin

    PassGenWin

    Password Generator for Windows

    A random password generator for Windows desktop which also has the ability to generate data from user input.
    Downloads: 0 This Week
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  • 24
    REL (Research and Education Language) is a simple but very powerfull language with a compiler, an interpreter and a verifier.
    Downloads: 0 This Week
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  • 25
    Russian Technology Kit GNU/linux - the distribution kit for audit of safety in local networks of any class. Can be used for simplification of procedure of diagnostics and repair of hardware maintenance. Is truly free product.
    Downloads: 0 This Week
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