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.

  • MongoDB Atlas runs apps anywhere Icon
    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.
    Start Free
  • Demo Series - Small Business Backup By Veeam Icon
    Demo Series - Small Business Backup By Veeam

    Learn how to protect your Microsoft 365 data, with simple, actionable tips today.

    Watch this on-demand demo series and learn how to protect your Microsoft 365 data with clear, simple, actionable steps that are easy to implement for businesses of all sizes.
    Watch Demo Series
  • 1
    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.
    Downloads: 6 This Week
    Last Update:
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  • 2
    Arcanum Editor
    The Arcanum Editor is a small but powerful tool to encrypt and decrypt messages. The program also comes with it's own format CTXT. This format is based on XML and allows you to save texts with the Advanced Encryption Standard.
    Downloads: 5 This Week
    Last Update:
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  • 3
    OpanAV builds an alternative to commercial antivirus for Windows, it is based on the existing ClamAV. *OpenAV after being developed in secret for years changed its name in 2021 to MultiAntivirus and home to https://sourceforge.net/p/multiantivirus/
    Downloads: 1 This Week
    Last Update:
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  • 4