Open Source Mac Communications Software

Browse free open source Communications software and projects for Mac 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
    Vuze - Azureus

    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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    Downloads: 2,754 This Week
    Last Update:
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  • 2
    FileZilla®

    FileZilla®

    A fast cross-platform FTP client

    FileZilla® is a cross-platform FTP, SFTP, and FTPS client with a vast list of features, which supports Windows, Mac OS X, Linux, and more. FileZilla's dynamic tools help you move files between your local machine and your Web site's server effortlessly. For example, Filezilla lets you compare your files with in-directory server files to manage file syncing. You can also tab browse between servers and transfer files to them simultaneously, as well as edit server files on the go. And Filezilla is available in 47 languages worldwide!
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    Downloads: 2,420 This Week
    Last Update:
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  • 3
    Pidgin IM

    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.
    Leader badge
    Downloads: 5,954 This Week
    Last Update:
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  • 4
    Torrent File Editor

    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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    Downloads: 587 This Week
    Last Update:
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  • 5
    SquirrelMail
    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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    Downloads: 457 This Week
    Last Update:
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  • 6
    Psi

    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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    Downloads: 384 This Week
    Last Update:
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  • 7
    Psi+

    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. Previously is was a sort of fork but now just consider it as a space for nightly builds.
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    Downloads: 622 This Week
    Last Update:
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  • 8
    Mumble

    Mumble

    Low-latency, high quality voice chat for gamers

    Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming. It includes game linking, so voice from other players comes from the direction of their characters, and has echo cancellation so the sound from your loudspeakers won't be audible to other players.
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    Downloads: 174 This Week
    Last Update:
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  • 9
    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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    Downloads: 126 This Week
    Last Update:
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  • 10
    Makagiga

    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.
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    Downloads: 22 This Week
    Last Update:
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  • 11

    PHP Address Book

    Simple, web-based address & phone book

    Simple, web-based address & phone book, contact manager, organizer. Groups, addresses, e-Mails, phone numbers & birthdays. vCards, LDIF, Excel, iPhone, Gmail & Google-Maps supported. PHP / MySQL based.
    Downloads: 9 This Week
    Last Update:
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  • 12
    NOCC
    NOCC is a simple and fast Webmail client which can handle POP3 and IMAP mailboxes and sends email via SMTP. It is written with PHP, has low requirements (no database, frames). Features multi-language support, MIME attachments, displays HTML messages. The installation guide comes with the source code: https://sourceforge.net/p/nocc/code/HEAD/tree/trunk/webmail/docs/INSTALL If you encounter problems or bugs you can always try the current HEAD version: https://sourceforge.net/p/nocc/code/HEAD/tarball?path= Questions, bug reports or support requests are very welcome: https://sourceforge.net/p/nocc/_list/tickets Alternative source code repository: https://github.com/oheil/NOCC
    Downloads: 7 This Week
    Last Update:
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  • 13

    AJAX Chat - Open Source Web Chat

    Fully customizable web chat created using AJAX.

    MOVED: This project has moved to https://github.com/Frug/AJAX-Chat AJAX Chat is a fully customizable web chat implemented in JavaScript, PHP and MySQL which integrates nicely with common forum systems like phpBB, MyBB, PunBB, SMF and vBulletin. A Flash and Ruby based socket connection can be used to boost performance.
    Downloads: 4 This Week
    Last Update:
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  • 14
    Mibew Messenger 3
    Mibew Messenger is an open-source live support application allowing visitors of your site to chat with your operators.
    Downloads: 16 This Week
    Last Update:
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  • 15
    Mibew Messenger 1.x
    "Mibew Messenger" - is unique software allowing visitors of your site to chat with your operators. This repo should be treated as an obsolete. For modern version of Mibew Messenger see https://sourceforge.net/projects/mibew/
    Downloads: 2 This Week
    Last Update:
    See Project
  • 16
    A fork of pidgin which aims to provide minor features that have not been addressed by the pidgin development team (including manual textbox resizing). See funpidgin.sf.net for details.
    Downloads: 3 This Week
    Last Update:
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  • 17
    AfterLogic WebMail Lite 7
    AfterLogic WebMail Lite PHP is a free AJAX webmail application. Users can receive, view, manage, compose, and send email through web interface (IMAP and SMTP supported). Source code included.
    Downloads: 2 This Week
    Last Update:
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  • 18
    Havalite CMS

    Havalite CMS

    Havalite, a lightweight, open source CMS Blog based on php and SQLite

    Havalite, a lightweight, open source CMS Blog based on php and SQLite db. It's licensed under the GNU General Public License.
    Downloads: 1 This Week
    Last Update:
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  • 19
    We provide a Hebrew version of Mozilla Firefox, Mozilla Thunderbird, SeaMonkey and Mozilla Application Suite. SeaMonkey/Mozilla Suite are also available for download from here, while the latest Firefox & Thunderbird are available only from mozilla.com.
    Downloads: 1 This Week
    Last Update:
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  • 20
    Acqlite is Gnutella file sharing program based on LimeWire, Acquisition and Cabos. It is free software, no spyware, no adware. It provides simple interface, multi languages support, and iTunes + iPod integration.
    Downloads: 0 This Week
    Last Update:
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  • 21
    Azureus 7(Cayenne) is a BitTorrent client, used to transfer files via the P2P protocol. Cayenne is written in Java and based on Vuze/Azureus client . Cayenne contains completely redesigned lightweight UI, speed and functionality optimizations.
    Downloads: 0 This Week
    Last Update:
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  • 22
    EGroupware Enterprise Collaboration
    EGroupware has moved to Github, please find all our downloads there: https://github.com/EGroupware/egroupware/releases EGroupware is a multi-user, web-based groupware suite. Currently available modules include: email, addressbook, calendar, infolog (notes, to-do's, phone calls), content management, wiki, project management, tracker, timesheet, knowledge base, CalDAV/CardDAV
    Downloads: 0 This Week
    Last Update:
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  • 23
    IntegraMOD is a pre-modded version of phpbb2 with the best MODs for phpbb made to work with each other (compatibility of modifications). IntegraMOD stand for Integrated MODs. Its main addon is IM Portal which features forum-wide integration of portal b
    Downloads: 0 This Week
    Last Update:
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  • 24
    IntegraMOD
    IntegraMOD is a pre-modded version of phpBB incorporating the best MODs for phpBB
    Downloads: 0 This Week
    Last Update:
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  • 25
    IntegraMOD Nederland(s) is a pre-modded version of phpbb2 with the best MODs for phpbb made to work with each other (compatibility of modifications). IntegraMOD stand for Integrated MODs. Main addon is IM Portal (forum-wide integration portal blocks).
    Downloads: 0 This Week
    Last Update:
    See Project
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