Open Source Objective C Communications Software

WeChat macOS client enhances the Tweak dynamic library. Prevent message withdrawal, message list notification, system notification. Withdraw your messages normally. Unlimited opening of clients. Right-click the Dock icon to log in to the new WeChat account. Command line execution:open -n /Applications/WeChat.app. Message processing enhancement, supports any emoji export, supports QR code recognition. Supports right click to copy link directly. Open directly by the system default browser. No phone authentication required to reopen the app. UI interface settings panel, support for Alfred workflow, and support for Launchbar action. In order to reduce maintenance costs and ensure update speed, only the latest App Store version of the client is supported by default.

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

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.

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.

MailTrackerBlocker is a macOS Mail plugin that prevents email tracking pixels from collecting user data. It enhances privacy by blocking hidden tracking mechanisms used by marketing emails.

WeChatPlugin-MacOS is an unofficial plugin for the macOS version of WeChat, providing features like auto-reply, message anti-recall, and remote control. It injects custom functionality into the official WeChat client using macOS’s dynamic library loading, offering power-user features not present in the native app. This project has been widely used but is no longer actively maintained due to security and compatibility concerns.

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.

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.

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

LimeChat is an IRC client written on RubyCocoa.

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.

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++.

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.

MacBiff is a "Biff" program for Mac OS X. It unobtrusively resides in the system bar, periodically checking your IMAP server for new email, and reports where in your folder hierarchy your new mail resides.

tnefDD is a OS X program that extracts attachments from TNEF formatted files (e.g., winmail.dat files), which can't directly be read by either Apple Mail or Microsoft Entourage. tnefDD features drag-and-drop operation for ease of use.

GApp is for anyone that lives in GMail and/or uses GMail labels for Getting Things Done (GTD). GApp is focused on running the Google Apps on the Mac OS X desktop, allowing you to skin the GMail interface, and provides a searchable GTD view of your Inbox.

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

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.

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.

Advanced email suite.

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

MediaCaster integrates a Cocoa front-end with an XML compositing engine that interfaces with managed network users on an OS X server to facilitate creation of podcasts/vodcasts in Macintosh-based media labs.