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

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

    Build data pipelines that feed your AI models and agents without managing infrastructure. Crawl any website, transform content, and push directly to your preferred vector store. Use 10,000+ tools for RAG applications, AI assistants, and real-time knowledge bases. Monitor site changes, trigger workflows on new data, and keep your AIs fed with fresh, structured information. Cloud-native, API-first, and free to start until you need to scale.
    Try for free
  • 1
    Process Hacker

    Process Hacker

    View and manage processes, services and more with this powerful tool.

    Process Hacker is a free and open source process viewer. This multi-purpose tool will assist you with debugging, malware detection and system monitoring.
    Leader badge
    Downloads: 18,729 This Week
    Last Update:
    See Project
  • 2
    Eraser

    Eraser

    A security tool to remove sensitive data from your Windows hard drive

    Eraser is a secure data removal tool for Windows. It completely removes sensitive data from your hard drive by overwriting it several times with carefully selected patterns.
    Leader badge
    Downloads: 9,821 This Week
    Last Update:
    See Project
  • 3
    respite vpn - ssh & openvpn injector

    respite vpn - ssh & openvpn injector

    Bypass your ISP's firewalls and connect to the internet!

    Source: https://github.com/AlizerUncaged/HTTP-Injector respite is a SSH/openVPN client that allows you to connect to the internet with custom injected HTTP Proxy headers. This application requires Java (https://www.java.com/en/download/) and .Net 4.5 (https://www.microsoft.com/en-ph/download/details.aspx?id=42642 .Net 4.5 is already preinstalled in Windows 10). There are many SSH and OpenVPN Server providers in the internet, one is https://www.tcpvpn.com HTTP Proxy responses override (source code): https://github.com/AlizerDoesJava/respite-proxy-override Please rate, any feedback is appreciated. The application and server providers are free.
    Leader badge
    Downloads: 215 This Week
    Last Update:
    See Project
  • 4
    NetworkMiner packet analyzer

    NetworkMiner packet analyzer

    The Network Forensics Tool

    NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows that can detect the OS, hostname and open ports of network hosts through packet sniffing or by parsing a PCAP file. NetworkMiner can also extract transmitted files from network traffic. New versions of NetworkMiner are released exclusively on www.netresec.com since version 2.0 of NetworkMiner. This page on SourceForge is only kept to provide hosting of older versions of the software. To get the latest version of NetworkMiner, please visit: http://www.netresec.com/?page=NetworkMiner
    Downloads: 42 This Week
    Last Update:
    See Project
  • Pest Control Management Software Icon
    Pest Control Management Software

    Pocomos is a cloud-based field service solution that caters to businesses

    Built for the pest control industry, but also works great for Mosquito Control, Bin Cleaning, Window Washing, Solar Panel Cleaning, and other Home Service Businesses in need of an easy-to-use software that helps you simplify routing, scheduling, communications, payment processing, truck tracking, time tracking, and reporting.
    Learn More
  • 5
    File system/directory monitoring utilities with loggin and task processing support (can execute files or make a WCF service call). Multiple configuration options. Source code libraries can be used to create a custom file system monitor.
    Leader badge
    Downloads: 42 This Week
    Last Update:
    See Project
  • 6
    dotNet Disk Imager

    dotNet Disk Imager

    Lightweight RAW and ZIP disk images reader and writer to USB or SD

    IMPORTANT!!! Since this is new software, your web browser, operating system or even possibly antivirus software may report security alerts against this tool. Please ignore that messages until this tool gets widely spread. This program is highly inspired by Win32 Disk Imager and sort of copies it's function. However, I've added some features, like verification of readed/writed image file and the most important is on the fly support for zipped images. Another features worth mentioning are simultaneous write to multiple devices at one time or wiping of device filesystem and partitions. I would be happy to hear your feedback and I'm ready to listen to your suggestions. Feel free to request new features, if I found them interesting I will definitely implement them. Requires .NET Framework 4.6.1 (download here: http://go.microsoft.com/fwlink/?LinkId=671729 ) Supports Windows 7 and newer. If you need older Windows support, use Win32 Disk Imager. Please write a review.
    Downloads: 23 This Week
    Last Update:
    See Project
  • 7
    DracOS GNU/Linux Remastered
    What is DracOS GNU/Linux Remastered ? DracOS GNU/Linux Remastered ( https://github.com/dracos-linux ) is the Linux operating system from Indonesia , open source is built based on Debian live project under the protection of the GNU General Public License v3.0. This operating system is one variant of Linux distributions, which is used to perform security testing (penetration testing). Dracos linux in Arm by hundreds hydraulic pentest, forensics and reverse engineering. Use a GUI-based tools-tools the software using the CLI (command line interface) and GUI (graphical user interface) to perform its operations. Now Dracos currently already up to version 3.1.5 with the code name "KUNTILANAK WITH REMASTERED".
    Downloads: 36 This Week
    Last Update:
    See Project
  • 8
    Application Blocker

    Application Blocker

    Application Restrictor Tool For Windows

    Application Blocker Application Blocker is a software restriction tool for Windows. It can block access to selected programs. It is very effective and easy to use. You can select any program file and add it to the list. The lock is reliable and very hard to break for normal users. The tool does not work at background when using standard block. In password lock mode, the tool uses minimal resources and does not affect system performance. This program can be used to control your child or prevent access to programs on special areas like school computers. You can set an UI password to prevent unauthorized users from blocking and unblocking programs. The tool can check for updates automatically and alert you when a new version is available. It can automatically download and install newer versions. Requires .NET Framework 4.5 and Windows Vista or later.
    Leader badge
    Downloads: 54 This Week
    Last Update:
    See Project
  • 9
    iDecryptIt

    iDecryptIt

    iOS firmware tools

    Project has been moved to GitHub: https://github.com/colejohnson66/iDecryptIt iDecryptIt is a tool to decrypt the root filesystem of an IPSW.
    Downloads: 27 This Week
    Last Update:
    See Project
  • AestheticsPro Medical Spa Software Icon
    AestheticsPro Medical Spa Software

    Our new software release will dramatically improve your medspa business performance while enhancing the customer experience

    AestheticsPro is the most complete Aesthetics Software on the market today. HIPAA Cloud Compliant with electronic charting, integrated POS, targeted marketing and results driven reporting; AestheticsPro delivers the tools you need to manage your medical spa business. It is our mission To Provide an All-in-One Cutting Edge Software to the Aesthetics Industry.
    Learn More
  • 10
    IdentityServer4

    IdentityServer4

    OpenID Connect and OAuth 2.0 Framework for ASP.NET Core

    IdentityServer is a free, open-source OpenID Connect and OAuth 2.0 framework for ASP.NET Core. Founded and maintained by Dominick Baier and Brock Allen, IdentityServer4 incorporates all the protocol implementations and extensibility points needed to integrate token-based authentication, single-sign-on and API access control in your applications. IdentityServer4 is officially certified by the OpenID Foundation and thus spec-compliant and interoperable. It is part of the .NET Foundation and operates under their code of conduct. It is licensed under Apache 2 (an OSI-approved license). Active development happens on the main branch. This always contains the latest version. Each (pre-) release is tagged with the corresponding version. The aspnetcore1 and aspnetcore2 branches contain the latest versions of the older ASP.NET Core based versions.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 11
    Aircrack-ng Windows GUI
    This is mainly just an interface tweak. Added function of mac address changer. If you have problems getting the mac changer to work, try using a mac address that starts with something other than "00" in the first octet. If you are intersted in learning about network security please check out my Juniper Networks training course at: http://academy.gns3.com/courses/juniper-jncia-intro-to-junos
    Downloads: 18 This Week
    Last Update:
    See Project
  • 12
    NOTE: Project has moved to github, including file downloads. SharpPcap is a cross-platform packet capture framework for the .NET environment, based on the famous pcap / WinPcap libraries. It provides an API for capturing, injecting, analyzing and building packets using any .NET language such as C# and VB.NET.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 13
    Gui for aircrack-ng that can crack WEP and WPA networks, automatically scans for available networks, provides fake authentication and injection support.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 14
    HotKeyEnabler

    HotKeyEnabler

    HotKeyEnabler KeePass 2 Key Binding plugin

    For each entry, this plugin allows to define a system-wide hot key that auto-types a specific sequence. Minimum required version: KeePass 2.24 Installation: Just copy to KEEPASS_2_FOLDER/Plugins directory (If doesn't exists - create it)
    Leader badge
    Downloads: 13 This Week
    Last Update:
    See Project
  • 15
    Yet Another (remote) Process Monitor
    Yet Another Process Monitor (YAPM) is a powerful process viewer for Windows that monitors the services & processes, their modules, threads, handles, windows, TCP/UDP connections... etc. running on local system or on any of the computers on your network.
    Leader badge
    Downloads: 10 This Week
    Last Update:
    See Project
  • 16
    CloseTheDoor
    CloseTheDoor indentifies all the listening ports TCP/UDP over IPv4/v6 and the associated program files. This will help you to detect security holes and close backdoors when you want to prevent remote attacks.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 17
    FileGrab

    FileGrab

    Capture newly created files in Windows filesystems

    FileGrab is a tool that monitors a Windows filesystem for newly created files and copy those files to another location. It can be useful for honeypots, malware analysis, investigation scenarios and so on.
    Downloads: 35 This Week
    Last Update:
    See Project
  • 18
    NetCutter

    NetCutter

    Control your Network by Disconnect/Connected Devices from your router

    NetCutter is a Powerful Program working on Wi-Fi,it Disconnect And Reconnect Connected Devices by Cutting ON/OFF Network from Choosen Interfaces and protect your network from hackers. NetCutter is Just For Windows now, Support the project for Android Port This Program is in Early Stages , So bugs will appear feel free to Contact us to fix it. Thanks. * Download Requirements To install this Program you need : - .NET Framework 4.0 or Higher - WinPcap 4.1.3 For WinXP,WinVista - Npcap 0.99 For Win7,Win8,8.1,10
    Leader badge
    Downloads: 27 This Week
    Last Update:
    See Project
  • 19
    StrongKey FIDO Server (SKFS)

    StrongKey FIDO Server (SKFS)

    FIDO® Certified StrongKey FIDO Server (SKFS)

    An open source implementation of the FIDO2 protocol to support passwordless strong authentication using public-key cryptography. Supports registration, authentication (all platforms), and transaction authorization (for native Android apps).
    Downloads: 18 This Week
    Last Update:
    See Project
  • 20
    File Wiper .NET

    File Wiper .NET

    Tool written in C# to safely delete existing files.

    File Wiper .NET is a program intended to safely destroy the content of files. This destructive job is done by overwriting the content of a given file before deleting it. To overwrite the file content a user can choose one of the predefined wiping algorithms. Further, after wiping the file content the name of a file is also overwritten using a special wiping algorithm.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 21
    Abdal Mr Pig

    Abdal Mr Pig

    Secure file transfer with SSH

    Secure file transfer based on SSH protocol
    Downloads: 6 This Week
    Last Update:
    See Project
  • 22
    USB 007

    USB 007

    A spy for USB drives.

    The application refers to track what happen with your computer USB ports by which USB drive and when. USB 007 can track it in your presence or absence. After inserting a removable disk such as Pen drive, Memory card, External hard disk etc. USB 007 will track the drive name, drive insertion date-time, drive space info and the file-folders (include hidden) that the drive contains. You will also get the updated info before the drive removed. The 4 more important features are that ♦ Enabling & Disabling options of USB ports. ♦ Track which files-folders are sent from/given to your computer. ♦ Track how much time the drive was connected to your computer. ♦ Observe (by reading only) if there is any virus in the drive, without open it.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 23
    wolfSSL
    The wolfSSL embedded SSL library (formerly CyaSSL) is a lightweight, portable, C-language-based SSL/TLS library targeted at IoT, embedded, and RTOS environments primarily because of its size, speed, and feature set. It works seamlessly in desktop, enterprise, and cloud environments as well. wolfSSL supports industry standards up to the current TLS 1.2 and DTLS 1.2, is up to 20 times smaller than OpenSSL, offers a simple API, an OpenSSL compatibility layer, OCSP and CRL support, is backed by the robust wolfCrypt cryptography library, and much more. wolfSSL relies on the FIPS 140-2 validated wolfCrypt library for all cryptographic functionality. Visit http://wolfssl.com/wolfSSL/fips.html for more info!
    Downloads: 10 This Week
    Last Update:
    See Project
  • 24
    ClearLogs

    ClearLogs

    Clear All Windows System Logs - AntiForensics

    # clearlogs Clear All Windows System Logs - AntiForensics -- ------------------------------------------------------------------------- # wevtutil Enables you to retrieve information about event logs and publishers. You can also use this command to install and uninstall event manifests, to run queries, and to export, archive, and clear logs. https://technet.microsoft.com/en-us/library/cc732848.aspx -- ------------------------------------------------------------------------- # .Net Framework 4.5.1 -- ------------------------------------------------------------------------- #Visual Studio 2013
    Downloads: 8 This Week
    Last Update:
    See Project
  • 25
    OpenFirewall (only for windows XP)
    Only for windows XP OpenFirewall is based on two lines of defence first WIPFW ( Kernel-mode driver ) and second tdifw ( application-mode TDI-driver ) . Is a Windows firewall easy to use like the commercial products
    Downloads: 6 This Week
    Last Update:
    See Project