WhatsApp Messenger

Spicebird is your one platform for many collaboration needs. It provides e-mail, calendaring and instant messaging with intuitive integration and unlimited extensibility. The application is based on projects like Thunderbird, …

MDC (Multiple Direct Communicator) is a universal multiprotocol messenger supported by several operating systems including Windows, Linux and MacOS X, and protocols of ICQ, Mail.Agent, Jabber and others. It features …

R&Q is a little instant messaging client for the ICQ protocol, fork of Rejetto's &RQ. It is simple, fast, takes a little more than 1 MB disk space and doesn't …

Unlimited free calls anywhere in North America! KNCTR gives you the ability to stay connected with the people that matter most. Call any mobile or landline phone number across North …

VoipBuster is a free program that uses the latest technology to bring free and high-quality voice communications to people all over the world. When you use the free VoipBuster software, …

Talkonaut is a free Jabber (XMPP) client for your iPhone or iPod with free peer-to-peer voice calling over Jingle Audio extension compatible with GoogleTalk™. Talkonaut can be used with any …

Manage all your existing IM and social network accounts with only one easy-to-use application. Free video calls and video conferences as well as goober Premium VoIP, and much more included! …

Tencent QQ, generally referred to as QQ, is the most popular free instant messaging computer program in Mainland China, and has over 856.2 million users. In April 2010, QQ.com ranked …

Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many platforms (tested on Linux, FreeBSD, NetBSD, Solaris, MacOS …

Messages are synced in realtime and available via any of your devices. But there’s more, sending texts, pics and any files to other mysms users are free!

Qnext unifies communication, broadcasting & sharing. Universal Instant Messenger (MSN, Yahoo!, AIM, ICQ, Jabber, iChat & IRC), Multi Audio & Video Conferencing, File Transfer, File & Photo...

Small program mainly aimed to provide a simple user interface for making VoIP calls with Asterisk PBX (an open source VoIP PBX).

TCOne Netsend Lite is a handy and reliable utility designed to enable you to send messages between computers within your network. The application uses the Windows messenger service which makes …

Portuguese messenger publish by SAPO. It has a sending SMS feature and the user can make audio-visual calls. GTalk can be integrated with this instant messaging program.

Vidyo is Videoconferencing software and service for both desktop and mobile.

Logitech Vid HD is free for anyone with any Logitech webcam—and any other manufacturer’s webcam—, whether that webcam is brand new, or one you’ve had for a while. As Logitech®, …

Telegram - это мессенджер, который позволяет пользователям обмениваться сообщениями, фотографиями, видеозаписями, аудиозаписями и другими файлами. Он был создан Павлом Дуровым и его братом Николаем в 2013 году. Одной из основных …

MXit is a free, cheap to use, instant messenger for almost every phone on the earth. From chatrooms, games and shopping to movie clips, music and sport - this is …

Free HD conference calls up to 8 participants. High definition voice, 3D immersive sound. Voxeet has created a new generation sound technology that makes audio conferencing for distributed groups as...

Viber is a mobile application that lets you make free phone calls and send text messages to anyone who also has the application installed. You can call or text any …

[Polish only] Comfortable and minimalistic multi-messenger. Allows you to communicate via XMPP, tlen and gadu-gadu protocol. Features avatars on every protocol. Develops in very quick way. Doesn't...

Combining voice calls, video calls and Instant Messaging in a simple interface, CounterPath's X-Lite helps you seamlessly transition from a traditional phone environment into the world of Voice over IP. …

QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you …

Allegedly "cheap" phone calls with Jumblo. WARNING: expect to have payments disappear with zero recourse and have "free" minutes widely unavailable like any other betamax clone scam.

VoxOx is the first ever Universal Communicator Service that manages all forms of cross-media communication for consumers. Signup *requires* user provide SMS capable mobile number. It is the only service …