Browse free open source C# Messaging Platforms and projects below. Use the toggles on the left to filter open source C# Messaging Platforms 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.
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  • Secure remote access solution to your private network, in the cloud or on-prem. Icon
    Secure remote access solution to your private network, in the cloud or on-prem.

    Deliver secure remote access with OpenVPN.

    OpenVPN is here to bring simple, flexible, and cost-effective secure remote access to companies of all sizes, regardless of where their resources are located.
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  • 1
    HardTop

    HardTop

    Make any window Always On Top!

    Windows 11/10 taskbar area application that allows toggle of any desktop window "Always On Top" state. For example keep Messenger always on top of other windows or any other application that you'd like to always have visible.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    IIM is an Instant Messaging Solution for corporate environments where IM programs like AIM and MSN have been banned. It is not firewall aware and only works within a switched network so it is not vulnerable to external attack. Uses .Net Framework 1.1
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Local Area Messenger Beta

    Local Area Messenger Beta

    A small (ish) messaging server for anything you can think of

    A small (ish) messaging server for small businesses and other things like LAN parties or whatever you want to use it for. It has two components, the client and server. The clients can connect to servers and use that as a hub to communicate between each other. The admin running the server can also kick and ban people if they wish to. It also has peer to peer file transfer that currently has no size limit. Can't really explain all the features here, I'm running out of characters. Go look down below for all of the features or download it to see them for yourself!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Instant Messenger with unicast and multicast integrated
    Downloads: 0 This Week
    Last Update:
    See Project
  • No-Nonsense Code-to-Cloud Security for Devs | Aikido Icon
    No-Nonsense Code-to-Cloud Security for Devs | Aikido

    Connect your GitHub, GitLab, Bitbucket, or Azure DevOps account to start scanning your repos for free.

    Aikido provides a unified security platform for developers, combining 12 powerful scans like SAST, DAST, and CSPM. AI-driven AutoFix and AutoTriage streamline vulnerability management, while runtime protection blocks attacks.
    Start for Free
  • 5
    ZIM is a highly extensible C# instant messaging platform aimed at the small business looking to enhance communication amongst co-workers to increase productivity.
    Downloads: 0 This Week
    Last Update:
    See Project
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