Open Source Windows Communications Software

Browse free open source Communications software and projects for Windows below. Use the toggles on the left to filter open source Communications software by OS, license, language, programming language, and project status.

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  • 1
    EasyModbusTCP/UDP/RTU .NET

    EasyModbusTCP/UDP/RTU .NET

    Modbus TCP, UDP and Modbus RTU client/server library

    Modbus TCP, Modbus UDP and Modbus RTU client/server library for .NET Supports Function Codes: - Read Coils (FC1) - Read Discrete Inputs (FC2) - Read Holding Registers (FC3) - Read Input Registers (FC4) - Write Single Coil (FC5) - Write Single Register (FC6) - Write Multiple Coils (FC15) - Write Multiple Registers (FC16) V5.6: Upload lates version - This will probably the last version for .NET Framework 4.0 - The next Version will be based on new .NET5 and redesigned V5.5: Bugfixes and MQTT Bridge removed V5.0: Major Bugfixes and Event Handlers changed V4.4 HF1: Bugfix excessive CPU-Load Modbus TCP Server V4.4: Bugfix Modbus RTU and MQTT V4.3: Bugfixes Modbus RTU Webview for Modbus Server Simulator and MQTT functionality for Server
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    Downloads: 92 This Week
    Last Update:
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  • 2
    Rocket.Chat Community Version

    Rocket.Chat Community Version

    The Leading Open Source Communication Hub | Community Version

    Own your Communication with the all-in-one platform made for customer support and team collaboration. Lead with the open-source power: data security and flexibility at your hands. *NOTE: This is our Community Version product page. To know more about all of the possibilities within Rocket.Chat, check our Enterprise product page https://sourceforge.net/software/product/Rocket.Chat/ Rocket.Chat is a reliable communication platform for high-private team chatting and collaboration. Highly scalable, our solution increases business efficiency by bringing messages, video calls, file sharing and all team communication into one place. +10M users trust Rocket.Chat to obtain: - The best cost-benefit enterprise communication platform - A remote-first platform for team collaboration - Data-privacy ensured (GDPR, HIPAA, CCPA, you name it) - Seamless adaptation for all kinds of
    Downloads: 7 This Week
    Last Update:
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  • 3
    Sharik - file sharing via WI-FI

    Sharik - file sharing via WI-FI

    Sharik lets you easily share files within your local network

    Sharik is an open-source, cross-platform solution for sharing files via Wi-Fi or Mobile Hotspot. This app allows you to easily send photos, apps, files, text, literally anything, to any kind of device connected to the same network. It's convenient and blazing fast. Sharik is entirely free to use, and it contains no ads. Moreover, its source code is published on GitHub so that everyone can contribute to the development process. So, if you like it, please leave a star on our GitHub repository, and consider contributing: add a new language or help us with code. YOU CAN SEND: 1. Photos (jpg, png, gif, etc) 2. Applications (apk) 3. Files (zip, rar, 7z, pdf, etc) 4. Text GitHub page: https://github.com/marchellodev/sharik Download Sharik right now!
    Downloads: 10 This Week
    Last Update:
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  • 4
    Rooster

    Rooster

    Second Life Notifyer: All your friends online - on your PC

    See if your Second Life friends are online. Works on your Windows or Linux PC. Receive an notify when friends come online.
    Downloads: 4 This Week
    Last Update:
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  • 5
    Gangio Desktop

    Gangio Desktop

    Gangio is a full-featured chat and communication platform.

    Gangio is a full-featured chat and communication platform. It provides real-time messaging, server-based communities, direct messaging, voice/video communication, and social features in a modern, responsive interface.
    Downloads: 1 This Week
    Last Update:
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  • 6
    Improved(download multiple files at once, config, GUI) client for the BitTorrent peer-to-peer sharing solution. This project is also the home of WebTorrent++ a BitTorrent client with a webbased user interface.
    Downloads: 0 This Week
    Last Update:
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  • 7
    JMP3Renamer
    JMP3Renamer is a plugin-based renamer/tagger written in Java. It supports automatical assignment of the data to the files and magic cookies to specify the filename format. Currently available plugins: Discogs, MusicBrainz, Filename, Filetag, Mp3, Ogg
    Downloads: 0 This Week
    Last Update:
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  • 8
    Plum Harbor

    Plum Harbor

    An open-source file sharing app built using Next.js and Perplexity.

    An open-source file sharing app built using Next.js and Perplexity. The app employs ML-KEM-1024, ChaCha20, Serpent-256, and HMAC-SHA512 to ensure data confidentiality and integrity. The app is also equipped with a dedicated password vault. Check it out at https://plum-harbor.netlify.app/ GitHub page: https://github.com/Northstrix/plum-harbor Codeberg page: https://codeberg.org/Northstrix/plum-harbor The app is available in English and Hebrew. German version is available here: SourceForge: https://sourceforge.net/p/plum-harbor-deutsch GitHub: https://github.com/Northstrix/plum-harbor-deutsch Codeberg: https://codeberg.org/Northstrix/plum-harbor-deutsch Deployed app: https://plum-harbor-deutsch.netlify.app/
    Downloads: 0 This Week
    Last Update:
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  • 9
    Plum Harbor Deutsch

    Plum Harbor Deutsch

    German version of the "Plum Harbor" file sharing app.

    Eine experimentelle Dateifreigabe App, die mit Next.js und Perplexity entwickelt wurde und es den Nutzern ermöglicht, Dateien einfach zu teilen, zu empfangen, zu senden und erneut zu senden. Die App verwendet ML-KEM-1024, ChaCha20, Serpent-256 und HMAC-SHA512, um die Vertraulichkeit und Integrität der Daten zu gewährleisten. Außerdem ist die App mit einem speziellen Passwortspeicher ausgestattet. Schau es dir an unter: https://plum-harbor-deutsch.netlify.app/ GitHub: https://github.com/Northstrix/plum-harbor-deutsch Codeberg: https://codeberg.org/Northstrix/plum-harbor-deutsch English Version: Deployed app: https://plum-harbor.netlify.app/ SourceForge: https://sourceforge.net/projects/plum-harbor/ GitHub page: https://github.com/Northstrix/plum-harbor Codeberg page: https://codeberg.org/Northstrix/plum-harbor
    Downloads: 0 This Week
    Last Update:
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  • 10
    Popfax Printer
    Popfax printer is a driver that converts any document your desktop can print into a black and white TIFF FAX G3 format and then sends it to any fax machine via Popfax.com Internet fax services. Releases after 2.3 are maintained on Popfax.com own servers.
    Downloads: 0 This Week
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  • 11
    Twurbl is an Operating System independent Client for the social network microblogging platforms Twitter and laconi.ca
    Downloads: 0 This Week
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  • 12
    "Role Manager" is a WordPress-Plugin for WordPress from 2.0.x up to 2.6.x. You need this Plugin to manage Roles and Capabilities at your WordPress-Blog.
    Downloads: 0 This Week
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  • 13
    dotBoard is a server software using PHP / MySQL that allows you to create social forums. Social forums are community driven. Every member can moderate the posts or edit settings if other members think that it is ok.
    Downloads: 0 This Week
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  • 14

    hsd

    eibd fork to use GIRA Homeserver KO-Gateway

    hsd provides part of the eibd (www.auto.tuwien.ac.at/~mkoegler/index.php/eibd) TCP/IP interface to communicate with EIB/KNX bus. eibd uses the EIBNet/IP protocol, while hsd uses the KO-Gateway provided by GIRA Homeserver. For a using program, like fhem (www.fhem.de), it is transparent if hsd or eibd is running in the background. Because of that, fhem can be configured with the well known eibd settings while using hsd.
    Downloads: 0 This Week
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  • 15
    nerdChat is a secure Jabber-Chat-Client for Windows console.
    Downloads: 0 This Week
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  • 16
    Tel is a small address book application, that runs on a terminal. It supports adding, removing and searching entries and prints them in a pretty format
    Downloads: 0 This Week
    Last Update:
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  • 17
    Javascript multi upload solution that's easy to modify and adapt. The User Interface is held in Javascript and uploading is performed through a small (1kb) Flash Movie - all wrapped up neatly in a ready-to-use PHP class. Check the Demo on the Website.
    Downloads: 0 This Week
    Last Update:
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