Open Source Communications Software
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Communications Software
View 4553 business solutionsBrowse free open source Communications software and projects 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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Qrvey is a low code embedded analytics platform built to help SaaS providers by simplifying the process of putting analytics tools in the hands of all users as fast as possible.
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When it comes to cybersecurity, what your clients don’t know can really hurt them. And believe it or not, keep them safe starts with asking questions. With ConnectWise Identify Assessment, get access to risk assessment backed by the NIST Cybersecurity Framework to uncover risks across your client’s entire business, not just their networks. With a clearly defined, easy-to-read risk report in hand, you can start having meaningful security conversations that can get you on the path of keeping your clients protected from every angle. Choose from two assessment levels to cover every client’s need, from the Essentials to cover the basics to our Comprehensive Assessment to dive deeper to uncover additional risks. Our intuitive heat map shows you your client’s overall risk level and priority to address risks based on probability and financial impact. Each report includes remediation recommendations to help you create a revenue-generating action plan.
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WinSCP
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
WinSCP is a popular free SFTP and FTP client for Windows, a powerful file manager that will improve your productivity. It offers an easy to use GUI to copy files between a local and remote computer using multiple protocols: Amazon S3, FTP, FTPS, SCP, SFTP or WebDAV. WinSCP can copy files between two local folders too. Power users can automate WinSCP using .NET assembly. WinSCP is available in English and many other languages. -
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qBittorrent
A free and reliable P2P BitTorrent client
An advanced and multi-platform BitTorrent client with a nice Qt user interface as well as a Web UI for remote control and an integrated search engine. qBittorrent aims to meet the needs of most users while using as little CPU and memory as possible. -
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eMule
A free peer-to-peer (P2P) file sharing client
eMule is a free peer-to-peer (P2P) file-sharing client for Microsoft Windows that was launched in 2002 as an alternative to eDonkey2000. To date, eMule is one of the world’s largest and most trustworthy P2P file-sharing clients. eMule includes advanced search features, file checks for corruptions while downloading, a preview while downloading function, and a credit system to reward frequent uploads. -
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LAN Messenger
An intranet chat application that does not require a server.
LAN Messenger is a p2p chat application for intranet communication and does not require a server. A variety of handy features are supported including notifications, personal and group messaging with encryption, file transfer and message logging. -
It protects your internal resources such as behind-the-firewall applications, teams, and devices.
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Shareaza
A universal P2P file sharing client for Windows
Shareaza is a very powerful multi-network peer-to-peer file-sharing client supporting Gnutella² G2, Gnutella, eDonkey2000 / eMule, DC++, HTTP, FTP and BitTorrent / DHT protocols for Windows or Wine. -
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BeeBEEP (Free Office Messenger)
You can message and share files inside your intranet without a server.
BeeBEEP is a secure (encryption based on Rijndael Algorithm, AES) peer to peer office messenger. You can talk and send files with all your colleagues inside a local area network such of an office, home or internet cafe without a server. BeeBEEP works also with VPNs. This serverless application is indispensable in all those places where privacy and security an essential requirement. For more info visit: https://www.beebeep.net -
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MyPhoneExplorer
Simply explore your Android phone!
Connect your phone via WiFi, cable or bluetooth and you'll be surprised how easy and efficient it will be to manage your Android based smartphone with our software. Since it's first release MyPhoneExplorer evolved into the most popular freeware tool for smartphones. The software is constantly updated with new features. In opposite to many other solutions MyPhoneExplorer does work complete locally without using any third-party server! -
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Pidgin IM
A universal instant messaging (IM) program
See https://pidgin.im/about/ for more information. Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and makes heavy use of GLib and GTK+. Finch is a command line instant messaging program. It also lets you log in to accounts on multiple chat network simultaneously, and it is compatible with the same chat networks as Pidgin. It is written in C and makes heavy use of GLib and ncurses. -
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DC++
A Windows client for the Direct Connect networks
DC++ is an open source Windows client for the Direct Connect file sharing network. The DC network is a decentralized network, made up of individual servers (hubs) that users join to share files with other members on that hub. Each hub is individually run by a fellow user of the DC network, and may have certain themes to the content on the hub. Hub owners set up rules to regulate their hub as they see fit. -
Vertex AI offers everything you need to build and use generative AI—from AI solutions, to Search and Conversation, to 130+ foundation models, to a unified AI platform.
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Elastix
Unified Communications Server
Elastix is a software-based PBX powered by 3CX and based on Debian. An open-standards solution, Elastix is an easy to install and manage UC system compatible with popular IP phones, gateways and SIP trunks. Elastix is complete with unified communications features such as integrated WebRTC video conferencing, chat, presence and softphones and smartphone clients for Windows, Mac, iOS and Android. -
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SquirrelMail is a PHP-based Web email client. It includes built-in pure PHP support for IMAP and SMTP, and renders all pages in pure HTML 4.0 for maximum compatibility across browsers. It has strong MIME support and a flexible plugin system.
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Vuze - Azureus
An extremely powerful and configurable BitTorrent client
Vuze (formerly Azureus) is an extremely powerful and configurable BitTorrent client. Search and download torrent files. Play, convert and transcode videos and music for playing on many devices such as PSP, TiVo, XBox, PS3, iTunes (iPhone, iPod, Apple TV). -
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OpenKM Document Management - DMS
Document Management System and Content Management System
OpenKM is a electronic document management system and record management system EDRMS ( DMS, RMS, CMS ). It provides modern and flexible architecture that meet today's IT demands, based on open technology (Java, Tomcat, GWT, Lucene, Hibernate, Spring and jBPM), powerful and scalable multiplatform application. OpenKM is a Web 2.0 application that works with Internet Explorer, Firefox, Safari and Opera. Can be configured in major DMBS like Oracle, PostgreSQL and MySQL among others. Due to its technological architecture design, OpenKM meets the document management needs of businesses of all sizes (from SMEs to big corporations). Thanks to its elegant and intuitive interface, OpenKM transforms complex operations into easy tasks. The most relevant functions of OpenKM is the indexing of the most common types of files: text, Office, Office 2007, OpenOffice, PDF, HTML, XML, MP3, JPEG, etc. For a complete feature list take a look at http://goo.gl/au8cQy -
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winPenPack
The portable software collection
winPenPack is a project that aims at collecting the most frequently used and most popular open source applications made portable, so that they can be executed without installation from any USB Flash Drive or Hard Disk. The winPenPack suites offer a wide range of portable applications like office tools, internet tools, multimedia tools, development tools, security applications and other frequently used utilities. Everything you need, completely free, open source and portable! -
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Gpredict
Real time satellite tracking and orbit prediction
Gpredict is a real-time satellite tracking and orbit prediction application. Gpredict can track an unlimited number of satellites and display the data in tables and various graphical view. -
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Psi
Psi IM — Qt-based XMPP client
Psi is cross-platform powerful XMPP client designed for experienced users. There are builds available for MS Windows, GNU/Linux and macOS. -
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Alfresco Community Edition
Open Source Enterprise Content Management ECM
The open source Enterprise Content Management (ECM) software that handles any type of content, allowing users to easily share and collaborate on content. -
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Psi+
Psi+ Project — development branch of Psi XMPP client
Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi XMPP client. Project purpose: collection, refinement and writing new patches for transfer them to Psi upstream developers. -
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ApexDC++
The pinnacle of file-sharing and chat - an innovative DC client!
ApexDC™ is an innovative Direct Connect client based on the DC++ and StrongDC++ projects. Direct Connect provides a rare blend of seamless file sharing and community based chat and messaging between users. ApexDC features plugins and scripting through Lua and much more. Both operators and users alike should find it a pleasant experience. Note: as of May 28th 2016 ApexDC is now primarily distributed as two separate installers one targetting 32bit and the other 64bit operating systems. Additionally XP compatible binaries are now only offered as a separate download from the files section. -
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FrostWire
Search, Download, Play, Share on Bittorrent and the cloud
FrostWire http://www.frostwire.com/ is a media player and Peer to Peer (P2P) information sharing client for the BitTorrent network. This project is not affiliated with LimeWire LLC. FrostWires' source code is Licensed under the GNU GPL and Apache Open Source licenses. System Requirements Any of the following operating systems: ● Windows 10, 8, 7, Vista for Intel processors (64-bit only) ● Mac OS X 10.11 (El Capitan) or later (64-bit) ● Linux, Unix such as Solaris (64-bit) ● Android 7.0 or later 256 MB of RAM (512 MB Recommended) An active internet connection -
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Ares Galaxy
A free peer-to-peer (P2P) BitTorrent file sharing client
Ares Galaxy is a free, open source BitTorrent and chat program that uses its own decentralized supernode/leaf network. Ares Galaxy has a simple, quick access interface with a built in audio/video viewer. Ares allows you to share any digital file including images, audio, video, software, documents, etc. You may now easily publish your files through the Ares’ peer-to-peer (P2P) network. As a member of the virtual community, you can search and download just about any file shared by other users. The latest versions also support the BitTorrent protocol and Shoutcast radio stations. -
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Torrent File Editor
Qt based GUI tool designed to create and edit .torrent files
Project moved to https://torrent-file-editor.github.io/ -
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aria2 - CLI Metalink/BitTorrent client
A multi-protocol & multi-source, cross platform download utility
aria2 is a multi-protocol & multi-source, cross platform download utility. The supported protocols are HTTP(S), FTP, BitTorrent, Metalink. It can download a file from multiple sources/protocols and tries to utilize your maximum download bandwidth. -
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MRBS is a system for multi-site booking of meeting rooms. Rooms are grouped by building/area and shown in a side-by-side view. Although the goal was initially to book rooms, MRBS can also be used to book any resource; computers, planes, whatever you want
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Makagiga
To-do manager, notepad, RSS reader...
Makagiga is an open-source, easy-to-use, portable application for doing a variety of tasks, such as todo listing, text editing, or RSS reading. Plugins are used to implement its various capabilities.