Skype

MicroSIP - это портативный программный телефон SIP на основе стека PJSIP, доступного для Microsoft Windows. Он обеспечивает высокое качество вызовов VoIP на основе открытого протокола SIP.

Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline , cellular network and VoIP. Phoner can be used as softphone on stationary and mobilecomputer devices attached …

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 …

Tpad is a free program that uses the latest VoIP / SIP technology to bring free and crystal clear voice quality communications to any user all over the world. When …

Zello (formerly loudtalks) the fastest way to communicate online. Don't type or call — just push F7 and speak! Reply, when convenient, talk to all people in a group at …

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, …

Microsoft SharedView is a fast, easy way to share documents and screen views with small groups of friends or coworkers; anytime, anywhere. Use SharedView to put your heads together and …

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, …

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 …

ShowMyPC provides free and premium tools for Instant Collaboration to all users. Software includes Desktop Sharing, Screen Recording, Remote PC access. The tools are community alternatives to WebEx and...

pfingo (phone, freedom, Internet on the go), developed by Singapore's info-communications provider StarHub, delivers a suite of popular web-based services such as email (Google, Yahoo! or other email...

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 …

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®, …

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.

Razer Comms is a free all-in-one communications solution for gamers, offering crystal clear VoIP and versatile instant messaging with group chat capabilities. Built with advanced in-game overlay functionality...

Pinger lets you text and talk free with the people you care about most, anywhere on the planet. Tap a picture and you'll see all of your communications—texts, pics, calls, …

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).

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 …

Lync enables users to communicate securely anywhere they have network connectivity, and automatically adapts to network conditions. The unified communications platform integrated into Microsoft Office includes...

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 …

Paltalk is an instant messaging service that enables users to communicate via internet chat, voice and video chat. It offers chat rooms and the ability for users to create their …

Mobile communication goes social Indoona is the first app to communicate and share your posts with the contacts in your phonebook Communicate with indoona With indoona you can call, video-call …

Zoom is a free cloud HD meeting service. You can start or join a HD video meeting with crystal-clear, face-to-face conversation and high quality screen sharing- anytime, from anywhere, to …