Open Source Objective C Communications Software

Vienna is an open source Mac OSX RSS reader with support for RSS/Atom/JSON feeds, article storage and management via a SQLite database, written in Objective-C and Cocoa. Feeds can be accessed directly, or through a syncing service supporting the Open Reader API, like BazQux.com, FreshRss.org, FeedHQ.org, InoReader.com or TheOldReader.com. Development now happens on GitHub: https://github.com/ViennaRSS/vienna-rss

Harbour MiniGUI Extended Edition. HARBOUR MINIGUI SOURCE WITH HMGS-IDE (IDE VISUAL TO MAKE WIN32 APLICATIONS WITH HARBOUR) UNNOFICIAL BUILD WITH EXTENDED NEW FEATURES.

Adium is an Open Source, multi-protocol instant messaging application for Mac OS X. Adium supports AIM, ICQ, Jabber, MSN, Yahoo!, Google Talk, Bonjour, Gadu-Gadu, Novell Groupwise, SIP/SIMPLE (Text), and Lotus Sametime. Additionally, it supports all of these applications at once so, even if you have multiple IM accounts, you don't have to log into each account separately.

Vine Server(OSXvnc) is a robust, full-featured VNC server for MacOS X. It allows VNC clients to remotely view or control the machine. It is provided by TestPlant, for use with Vine Viewer AND Eggplant for cross-platform testing,

X-Chat Aqua is X-Chat with an Aqua interface for MacOS X. X-Chat Aqua uses the irc engine from X-Chat, and is designed to look and feel like the GTK+ front end.

Project Libre is an open platform for chat bots, virtual agents, live chat, and more. It includes web and mobile services for Java, Android, iOS, and JavaScript. Project Libre includes an API, SDK, and user interface for live chat, chatrooms, forums, chat bots, virtual agents, and other services supported by the Bot Libre and Paphus servers. The hosted servers include: BOT libre! - http://www.botlibre.com - free chat bot creation and hosting platform FORUMs libre! - http://www.forumslibre.com - free embeddable forums LIVE CHAT libre! - http://www.livechatlibre.com - free live chat and chatrooms Paphus Live Chat - http://www.paphuslivechat.com - commercial live chat, chatroom, forums, and chat bot hosting service Also hosted on GitHub, https://github.com/paphus/Project-Libre

WeChatExtension-ForMac is an unofficial plugin that enhances the WeChat desktop experience on macOS by adding new features such as message anti-recall, multi-instance login, auto-reply, and UI customization. Designed for users who want more control and functionality from their desktop WeChat client, this plugin requires patching the app and may violate WeChat’s terms of service.

The ZEG (Zero Effort Groupware) edition of SOGo is intended to provide a complete out-of-the-box testing environment of SOGo, the Open Source messaging and calendaring software.

LimeChat is an IRC client written on RubyCocoa.

A port of DC++ to Mac OS X with a user interface according to the Apple Human Interface Guidelines. Because this client is built on DC++ it is compatible with the Windows version and the Macintosh version will benefit from future updates of DC++.

EchoMac: A Program for MacOS X to connect to the Echolink Amateur Radio network

Shakespeer is a Direct Connect implementation for Unix-like systems. It aims to be fast, easy to use and compatible with DC++. The major goal of ShakesPeer is to create a Mac OS X application with an Aqua graphical user interface.

BitRocket is a Native BitTorrent client for Mac OS X. At the heart of it's core resides the powerful libtorrent BitTorrent library. BitRocket is aimed to be a good alternative to other Mac OS X BitTorrent clients.

A SoulSeek p2p client for Mac OS X. Uses bindings and Cocoa to give a clean, powerful interface.

The goal of this project is to create a GnuPG front end for Mac OS X. To that extent, it will make installing GnuPG on OS X easier and provide inter application services to access GPG. Also, GPGME wrapper in ObjC will be done.

Fire is a multi-protocol instant messenger client for Mac OS X based on freely available libraries for each service. Currently Fire handles AOL Instant Messenger®, ICQ®, MSN® Messenger, Jabber, limited IRC, Yahoo!®, and Apple Bonjour communications.

A Cocoa IRC client for Mac OS X. Some of your favorite features may even be supported! Requires Mac OS X 10.4.3; compiled for PowerPC and Intel machines.

CyberCat is an extremely extensible internet application for Mac OS X. Plugins handle every aspect of the program, so it works exactly the way you want it. Plugins are bundles written in Objective-C using CyberCat.framework, so anyone can make plugins.

Advanced email suite.

JunkMatcher: A Cocktail-styled Spam Filter for Mail.app in Mac OS X

Cocoa Bittorrent client and C torrent library - based on fork of libbt, with high performance and compatibility, advanced prioritisation and scheduling, DHT, and Protocol Encryption.

A small fast, lightweight nntp news client for OSX written from scratch in Objective C and Cocoa. Uses a simple clean interface similar to mail.app and KHTML to render messages

OpenAG is the first Unix/Linux/Mac OS X implementation of the (unofficial) Audiogalaxy File Sharing Protocol. OpenAG includes both client and server projects. The client is available as a command line application or with a Mac OS X Aqua interface.

MacOS X / Cocoa SoulSeek client. SoulSeek is a peer to peer file sharing network, mostly for MP3s. Could possibly be ported to GNUstep.

iPlayer Downloader is a download client for Mac OS X, allowing users of the BBC's iPlayer service to download drm-free tv programs from Mac OS X. Please note iPlayer Downloader is NOT associated with the BBC in any way.