* Windows http://www.zoiper.com/en/voip-softphone/download/zoiper3#windows
* Mac http://www.zoiper.com/en/voip-softphone/download/zoiper3#mac
* Linux http://www.zoiper.com/en/voip-softphone/download/zoiper3#linux
* Android http://www.zoiper.com/en/voip-softphone/download/zoiper3#android
* iPhone http://www.zoiper.com/en/voip-softphone/download/zoiper3#iphone
* WEB http://www.zoiper.com/en/voip-softphone/download/zoiper3#webphone
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See up to 8 friends on live video while chatting with them! Create your own room (appear.in/your-room) and send the link on chat, Facebook Messenger, SMS or email to invite people. No registration required, once people click the link, they'll appear with you!
tags: anonymity anonymizing-network anonymous-chat anonymous-email anonymous-mailEkiga (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 codecs, and is interoperable with other SIP compliant software and also with Microsoft NetMeeting.
tags: Portable instant-messaging sip telephone video-callingZulip is a group chat app.
tags: chat-servers github-integration group-chat group-collaboration integrated-file-sharingcsipsimple will allow native sip for android device.
tags: voice-chat sip sms-messaging phone-calls zrtpNimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls to other Nimbuzz users are free. PAY to call mobile or landline phones for as little as $0.02/minute in bulk with NimbuzzOut. Free SIP to SIP calls.
tags: free-calls free-text instant-messaging voice-call voice-chatWhat does it do:
tags: Portable google-talk instant-messagingCombining 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.
tags: instant-messaging sip sip-client video-calling voice-callDasher lets you do more than just text message. It's messaging with benefits:
tags: animated-gif group-chat instant-messaging send-money share-linksSeaFour is the SeaFour.club community's chat engine, powered by Node.js and Socket.io.It's a socket webchat supporting aesthetic username customization and stylized messages using a markup language similar to 'LISP', and supports a multitude of alternative clients. It uses a free-as-in-freedom license that enables users to modify the software to best fit their needs.
tags: ad-free free-sms group-chat group-sms instant-messagingSesame is a messaging app that gives you a self-aware digital assistant to protect messages on your behalf: your own Personal Cognitive Messengerâ„¢.
tags: sms-messaging smartphone-messaging personal-database personal-messagingCloud Phone is a virtual pbx that enables small businesses to quickly, easily, and affordably set up a business phone solution without having to purchase hardware
tags: voice-chat communications voicemail unified-communications virtual-pbx