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
    Open Phone Abstraction Library (OPAL) is a C++ multi-platform, multi-protocol library for Fax, Video & Voice over IP and other networks. Also included is the Portable Tool Library (PTLib) which is a C++ multi-platform abstraction library and collection o
    Downloads: 39 This Week
    Last Update:
    See Project
  • 2
    What is t38modem? From your application view point it's a fax/voice modem pool. From IP network view point it's a H.323/SIP endpoint with T.38 fax support. From your view point it's a gateway between an application and IP network. Works with HylaFAX.
    Downloads: 17 This Week
    Last Update:
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  • 3
    AWL

    AWL

    Securely connect your devices into a private network

    Anywherelan (AWL) is a peer-to-peer mesh VPN solution designed to securely connect devices across diverse networks without relying on centralized servers. By leveraging WireGuard tunneling and built-in NAT traversal, AWL facilitates seamless device connectivity at the IP level, enabling users to access services like SSH, RDP, or self-hosted applications without complex configurations. Its decentralized architecture ensures that traffic flows directly between devices, enhancing privacy and reducing latency. AWL is particularly beneficial for scenarios such as remote work, gaming, or accessing geographically restricted content.​
    Downloads: 3 This Week
    Last Update:
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  • 4
    Status - a Mobile Ethereum OS

    Status - a Mobile Ethereum OS

    A free (libre) open source, mobile OS for Ethereum

    Status is a secure messaging app, crypto wallet, and Web3 browser built with state-of-the-art technology. Integrated into one powerful super app for private secure communication. Safely send, store and receive cryptocurrencies including ERC20 and ERC721 tokens with the Status crypto wallet. Only you hold the keys to your funds. Status' intuitive design protects you and your funds from attacks. Status uses an open-source, peer-to-peer protocol, and end-to-end encryption to protect your messages from third parties. Keep your private messages private with Status. Browse the growing ecosystem of DApps including marketplaces, exchanges, games, and social networks. The latest security standards ensure a private browsing experience. You will never be asked for a phone number, email address, or bank account when generating a Status account. Stay private and selectively reveal yourself to the world with Status.
    Downloads: 1 This Week
    Last Update:
    See Project
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  • 5
    This project has been superseded by OpalVoip (https://sourceforge.net/projects/opalvoip/) and H323Plus (https://sourceforge.net/projects/h323plus/) The OpenH323 project provides full featured, interoperable, Open Source implementation of the ITU H.323 teleconferencing protocol that can be used by personal developers and commercial users without charge.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 6
    OpenSource component library for serial communication
    Downloads: 4 This Week
    Last Update:
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  • 7
    Project moved: Find the latest code at https://www.h323plus.org/ Follows on from now depreciated OpenH323 and designed as a drop in replacement for OpenH323. Development of advanced open source H.323 including application sharing, video conferencing and incorporates new research and development work. Project moved: Find the latest code at https://www.h323plus.org/
    Downloads: 3 This Week
    Last Update:
    See Project
  • 8
    The goal of the Relay IRC project is to create an easy-to-use, multi-platform and scriptable Internet Relay Chat (IRC) chat client and a set of Java classes for adding IRC capabilities to other Java programs.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    CPhone is a cross platform voip client which uses the H323 protocol. It compiles and runs on Linux, BSD, Windows and Mac (OS X) boxes. It is based on the libraries from www.openh323.org and Trolltech.
    Downloads: 1 This Week
    Last Update:
    See Project
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  • 10
    Survey Developer Library 4 Java

    Survey Developer Library 4 Java

    Java framework with reusable patterns and classes

    A generic Java framework with reusable patterns and classes for enhanced development
    Downloads: 1 This Week
    Last Update:
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  • 11
    Artificial Intelligence Electronic Manipulation Bot will be designed for developing A.I on the web using standard protocols of communication such as ICQ, MSN, and especially AIM. The Bot will be able to under stand and collect as much data as possible fro
    Downloads: 0 This Week
    Last Update:
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  • 12
    A Jabber client for synchronous group discussion, argumentation and conferencing with an interface supporting higher-order thinking. A flexible and configurable tool that can be adapted to particular contexts and problems in education.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    A Thunderbird extension to group messages in the inbox into automatically learnt categories to allow people to more efficiently interact with their emails. Once delt with, messages can be archived as a group.
    Downloads: 0 This Week
    Last Update:
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  • 14
    Game made in Role play Gaming 2003. DBGT O Retorno do Inferno 2.1
    Downloads: 0 This Week
    Last Update:
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  • 15
    Farsi Translation of Mozilla-based Browsers. FarsiMoz is initiated with the hope of making Mozilla-based internet clients more accesseblie to Iranians every where. We started translation from Mozilla 1.2 and will translate other versions in the near
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    File-track Dapp

    File-track Dapp

    Upload and track IPFS files securely on the Ethereum Network

    Upload and track IPFS files securely on the Ethereum Network. Simple Dapp that can track files uploaded to IPFS.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    H.323 Beacon is a tool that can be used to measure/monitor/qualify/troubleshoot performance of H.323 Videoconference sessions both at the network and at the host by using a end-node(client) and core-node(server) architecture.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    The purpose of this project is creating a plugin for <a href="http://www.ethereal.com/">Ethereal</a> that will enable it to decode ITU-T Recommendation H.323 traffic. The implementation is based on <a href="http://www.openh323.org">OpenH323</a> code
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    <BR> We are creating a java based game of world domination!<BR> Mmmmm....world domination...<BR><BR> This game is a turn based strategy game where users engage in combat, fortify positions and manage resources (cards, etc) much like a board game. Fun!
    Downloads: 0 This Week
    Last Update:
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  • 20
    Java version of Dialogic's SwitchKit API. This API is actually a more "Java Centric" API, with listeners, filters, and a very extensible and modular framework that finally uses JNI to access the native libraries provided by Dialogic.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Java library which intends to make writing Internet Applications (client and servers) easier by letting programmers concentrate on the protocol and not the network stuff. Several servers/clients will be created as examples/products as well
    Downloads: 0 This Week
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  • 22
    JavaBlogLib is a Java library designed for blog mashups. It provides handy interfaces for the retrieving of blog contents and an XML output. Currently, it provides the implementation for the Blogger platform.
    Downloads: 0 This Week
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  • 23
    MEOW - the Multiuser Educational Online Workspace is a Java servlet based web chat system.
    Downloads: 0 This Week
    Last Update:
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  • 24
    The MIURAS project is an Universal Motor of Integration for Advanced Healthcare Applications.
    Downloads: 0 This Week
    Last Update:
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  • 25
    A progress indicator for web based file uploads with PHP, perl and JSP. Originally the project was a solution to the lack of a progress monitor for PHP file upload. Since then it has expanded to include upload monitors for perl and JSP.
    Downloads: 0 This Week
    Last Update:
    See Project
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