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Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS X's Cocoa API, released under the GNU GPL and developed by the Adium team.
Based on the libpurple protocol library, Adium can connect you to any number of messaging accounts on any combination of supported messaging services and then chat with other people using those services.
Adium supports ICQ, Jabber, Google Talk, IRC, Twitter and others. As well as Skype, Steam, WhatsApp and others through Third-party plugins
See Bundled Services and Third-party plugins
Yahoo! Messenger, MSN Messenger and Facebook Messenger have been removed. AIM is of course dead as of December 15, 2017.
Download File Size: 21.1 MB
BitlBee brings IM (instant messaging) to IRC clients. It's a great solution for people who have an IRC client running all the time and don't want to run an additional MSN/AIM/whatever client.
BitlBee currently supports the following IM networks/protocols: XMPP/Jabber (including Google Talk and Hipchat), MSN/Skype, Yahoo! Messenger, AIM and ICQ, the Twitter microblogging network (plus all other Twitter API compatible services like status.net)
There are also plugins for facebook and steam, and you can use libpurple to get even more protocols
Download File Size: 680 Kb
Colloquy 2.4.3 (6011)
Traditionally, chat clients on the Mac have been anything but glamorous. Colloquy is an advanced IRC & SILC 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.
Download File Size: 7.2 MB
Download File Size: 9.5 MB $2
Eggdrop is the oldest Internet Relay Chat (IRC) bot still in active development. Originally created by Robey Pointer in December 1993 for use on a channel called #gayteen, it has spawned an almost cult like following of users.
It is a feature rich program designed to be easily used and expanded upon (using Tcl scripting) by both novice and advanced IRC users on a variety of hardware and software platforms.
Download File Size: 1.8 MB
Facebook Messenger 158.0
Texting and so much more.
Make video calls from your Mac. Video calling works with Chrome, Opera and Firefox.
Download File Size: 233.3 MB
Google Voice 2.15
Google Voice gives you a free phone number for calling, text messaging, and voicemail. It works on smartphones and computers, and syncs across your devices so you can use the app while on the go or at home.
Download File Size: 89.8 MB
Simple way to communicate and nothing extra. New design, free sound and video calls, group chats and much more!
Download File Size: 37.4 MB
Download File Size: 77.1 MB
ircII is an IRC and ICB client that runs under most UNIX platforms. It comes in source form and is completely free of any charges or fees. The ircII project is a group of people who maintain the source code, incorporating fixes and new features.
Download File Size: 759 Kb
Irssi is a terminal based IRC client for UNIX systems. It also supports SILC and ICB protocols via plugins.
Download File Size: 1.7 MB
Homebrew installation: $ brew install irssi
LimeChat is a full featured IRC client that can connect to multiple servers in a window. It is fast and stable. Also it has rich keyboard shortcuts for your comfortable operations.
Download File Size: 1.8 MB
Download File Size: 2 MB
Send free one-on-one and group texts to your friends anytime, anywhere!
Call your friends and family as often as you want, for as long as you want! Free international voice and video calls make it easy to stay connected with your loved ones.
Currently available for iPhone, Android, Windows Phone, BlackBerry (voice only), Mac and Windows PC.
Download File Size: 53.3 MB
Download File Size: 300.6 MB
With Messages for Mac, you can send unlimited messages to any Mac, iPhone, iPad, or iPod touch that uses iMessage, Apple's secure-messaging service. It also supports several other messaging services that work with Apple and non-Apple devices. iPhone owners can use it for SMS and MMS messages, too.
SMS/MMS through your iPhone cellular plan
Google Talk through Jabber, (here's how)
ICQ through AIM, (here's how) (depricated)
Yahoo! Messenger, AIM and Facebook Messenger are no longer supported.
Pidgin is an easy to use and free chat client used by millions. Connect to Google Talk, ICQ, IRC, XMPP, and more chat networks all at once.
Supported chat networks:
Bonjour, Gadu-Gadu, Google Talk, Groupwise, ICQ, IRC, SILC, SIMPLE, Sametime, XMPP, Zephyr
Pidgin 2.12.0 removed protocols that were not being maintained: MSN, MySpace, Mxit, and Yahoo!. These will show up as unknown in your account lists until you delete them.
Download File Size: 9 MB
Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open Jabber IM network (also known as XMPP), including Google Talk.
Download File Size: 33 MB
Skype is the next phenomenon from the people who brought you KaZaA. Just like KaZaA, Skype uses P2P (peer-to-peer) technology to connect you to other users - not to share files this time, but to talk and chat with your friends.
Our software's quick and easy to install. Just download Skype, register (you can also use your Microsoft Messenger account) and within minutes you can plug in your headset, speakers or USB phone and call your friends. The calls have excellent sound quality and are highly secure with end-to-end encryption. You don't even need to reconfigure your firewall or router. It just, you know... works.
You can also use our SkypeOut function to make calls to friends who only have a landline or mobile phone anywhere in the world at local rates. You can even transfer files of up to 2 gigabytes.
Download File Size: 92.7 MB
Download File Size: 112.5 MB
Snak will let you participate in discussions in virtual meeting rooms on the Internet, called IRC channels. There are thousands of meeting rooms full of people from all over the world.
Download File Size: 3 MB
Why switch to Telegram?
Private - Telegram messages are heavily encrypted and can self-destruct.
Cloud-Based - Telegram lets you access your messages from multiple devices.
Fast - Telegram delivers messages faster than any other application.
Distributed - Telegram servers are spread worldwide for security and speed.
Open - Telegram has an open API and protocol free for everyone.
Free - Telegram is free forever. No ads. No subscription fees.
Download File Size: 22.2 MB
Download File Size: 79.3 MB
We connect people, no matter who they are or where they are from.
Make calls, send messages and much more - freely and securely.
To activate Viber on your Mac you must first activate it on your phone.
Download File Size: 111.3 MB
Download File Size: 195.4 MB
WeeChat is a fast, light and extensible chat client. It runs on many platforms (including Linux, BSD and Mac OS).
- modular: a lightweight core with plugins around
- multi-protocols: IRC and Jabber (other soon)
- extensible: C plugins and scripts (Perl, Python, Ruby, Lua, Tcl and Scheme)
- free software: released under GPLv3 license
- fully documented: user's guide, API, FAQ,.. translated in many languages
Download File Size: 4 MB
Homebrew installation: $ brew install weechat
WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS. WhatsApp Messenger is available for iPhone, BlackBerry, Android, Windows Phone and Nokia and yes, those phones can all message each other! Because WhatsApp Messenger uses the same internet data plan that you use for email and web browsing, there is no cost to message and stay in touch with your friends.
Download File Size: 136.5 MB
Download File Size: 155.8 MB
Yahoo! Messenger 0.8.288
Share photos instantly, send GIFs and even unsend messages. It’s the fastest way to keep in touch with friends.
The new version of Yahoo Messenger is redesigned with brand-new features. Now you can share photos instantly, send animated GIFs, and even unsend messages. It's available for Android, iPhone, desktop, and on the web via your browser.
Older versions of Yahoo Messenger will begin shutting down on August 5, 2016. If you haven't upgraded Yahoo Messenger recently, you're probably using a legacy version. To continue using Yahoo Messenger, please upgrade to the newest version:
Download File Size: 42.4 MB
Download File Size: 51.8 MBHome Page
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