Skype

With this plugin by Google, you can now use voice and video capabilities in your Gmail, iGoogle and orkut chat. It lets you have an actual conversation with someone, or …

Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.

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 …

"Hangouts" are places used to facilitate group video chat (with a maximum of 10 people participating in a single Hangout at any point in time). US and Canada only currently …

Jitsi (previously SIP Communicator) is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, Windows Live, Yahoo! and many other useful features. Jitsi is...

Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols. It supports many audio and video …

Linphone is an internet phone or Voice Over IP phone (VoIP). With linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging. Linphone …

Ventrilo 3.0.0 is the next evolutionary step of Voice over IP (VoIP) group communications software. Ventrilo is also the industry standard by which all others measure themselves as they attempt …

Psi+ is a development branch of Psi IM XMPP/Jabber client. Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users.

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 …

Brosix is a secure Instant Messaging and collaboration tool, ideal for everyday communication for business and leisure. Two different versions of Brosix give you the opportunity to choose the version …

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 …

Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications systems and infrastructure. Zoiper …

Gizmo5 (formerly known as Gizmo Project ) is a Voice over Internet Protocol communications network and a proprietary freeware soft phone for that network. You can chat with Gizmo, MSN, …

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 …

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.

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

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! …

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

Discord — проприетарный бесплатный мессенджер с поддержкой VoIP, видеоконференций, предназначенный для использования различными сообществами по интересам, наиболее популярен у геймеров и учащихся. Разработчик — компания Hammer & Chisel из Сан-Франциско.

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 …

With FriendCaller Web Phone, you can make free VoIP calls and cheap phone calls. Use it from a browser, a iPhone, iPod Touch, iPad, Android, Nokia SIP Phone. Talk to …

Zoom — программа для организации видеоконференций, разработанная компанией Zoom Video Communications. Она предоставляет сервис видеотелефонии, который позволяет подключать одновременно до 100 устройств бесплатно, с 40-минутным ограничением для бесплатных аккаунтов.

Spreed is the worldwide Unified Web Conferencing service offering integrated web- and telephone conferencing. It is based on Flash player. Free service includes 3 attendees and max 1.5h meetings. Single …

Make cheap international calls from your mobile, landline or computer from as little as 0.4p per minute. Our call rates are up to 88% cheaper than the competition. Top up …