Open Source Objective C Communications Software

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,

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

This library provides an async image downloader with cache support. For convenience, we added categories for UI elements like UIImageView, UIButton, MKAnnotationView. SD is the prefix for Simple Design (which is the team name in Daily Motion company from the author Olivier Poitrey) Image formats supported by Apple system (JPEG, PNG, TIFF, BMP, ...), including GIF/APNG animated image. In order to keep SDWebImage focused and limited to the core features, but also allow extensibility and custom behaviors, during the 5.0 refactoring we focused on modularizing the library. SwiftUI is an innovative UI framework written in Swift to build user interfaces across all Apple platforms. We support SwiftUI by building a brand new framework called SDWebImageSwiftUI, which is built on top of SDWebImage core functions (caching, loading and animation).

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.

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.

LimeChat is an IRC client written on RubyCocoa.

MChat is easy to use IRC app for the #macintosh channel on freenode.net. It is a easy to use single server and single channel irc program. MChat was designed to be a extremely simple program for beginners to learn how to use IRCl

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.

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.

Inspiring Operating System replaces Windows 8, Vista, XP and Mac OS X. (Are you tired of nasty viruses, worms, trojans, rootkits, dialers, spyware, and malware?). If so, make a smart move and get a newbie friendly free Linux Operating System today!

This project develops video conferencing and VoIP applications for Mac OS X. XMeeting is based on the work of the OpenH323 project which provides the libraries for H.323 and SIP support.

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

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.

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

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.

Bot Libre is a free open source platform for artificial intelligence, chat bot, virtual agents, live chat, and more.

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.

Asynchronous networking framework for GNUstep and Mac OS X. Has built-in support for line-based protocols, IRC, and raw TCP/IP streams.

FMenu is a menu extra providing customizable Growl notifications about various Facebook events, a menu to easily access common Facebook pages, and a count of your messages, pokes, events, friend requests, wall posts, and photo comments.

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++.

BoomBot is a developer's framework for writing a bot connecting to the AIM network. It manages the network communication for the bots so that they can be easily written without worrying about AIM itself at all. Bots can be written in Objective-C or Lua.

Traditionally, IRC clients on the Mac have been anything but glamorous. Colloquy is an advanced IRC client which aims to fill this void. By adhering to Mac OS X interface conventions, Colloquy has the look and feel of a quality Mac application.

FTPClient is a simple FREE FTP client written using Cocoa for Mac OS X.

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.