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.

With Live Messenger you can chat online instantly in real time with friends, family and colleagues. Its faster than e-mail, more discreet than a phone call. Formerly known as MSN …

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 …

Unison gives you secure "rooms", team spaces where you can post updates or files, get feedback and talk live as a group. Unison works from your smartphone, tablet, or computer. …

"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 …

Instant messaging & Group Chat built for business. Features include: - Private Group Chat - Instant Messaging (one-on-one) - Persistent Searchable Chat History for Room & IM - Video Chat …

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...

Yahoo! Messenger is an instant messaging client developed by Yahoo! inc. for real-time communication of its users. It provides text chat, file transfer up to 2GB. conversations with audio and …

Join.me is a quick, no-registration-required (for the free features) remote controlling / screen & file sharing program from the makers of LogMeIn. All you need to start sharing is start …

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 …

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...

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 …

LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics, video and audio media, make free VoIP calls, and hold free …

[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...

Extremely low bandwidth video collaboration software that supports application sharing, desktop sharing, file sharing, and PTZ camera control. Also, this client is free for commercial, personal, and government...

Free high quality video chat and video conferencing from ooVoo. Talk live face-to-face with up to 6 people at once.

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 …

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.

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 …

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 …

Tango brings you free, high-quality mobile video calls over 3G and Wi-Fi! Tango is an entertaining video calling service that connects people around the world in an exhilarating new way. …

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 …

Free calls to Rebtel users and cheap international calling to everyone else – Use WiFi, 3G or local minutes to make calls