• Skype icon

    Skype

    Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Blackberry Chrome OS Windows RT Android Tablet BSD Windows Phone iPad Apple Watch Android Wear

  • Hangouts icon

    Hangouts

    Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one...

    Free Windows Web / Cloud Android iPhone Chrome OS Android Tablet ... iPad Chrome Android Wear

  • Slack icon

    Slack

    Slack brings all your communication together in one place. It's real-time messaging, archiving and search for modern teams.

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Apple Watch Electron / Atom Shell

  • Mumble icon

    Mumble

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

    Open Source Mac Windows Linux iPhone BSD iPad

  • Viber icon

    Viber

    Viber is a mobile application that lets you make free phone calls and send text messages to anyone who also has the application...

    Freemium Mac Windows Linux Android iPhone Windows RT ... Android Tablet Windows Phone iPad Blackberry 10 Apple Watch

  • Asana icon

    Asana

    Asana puts tasks and conversations together to enable teamwork without email.

    Freemium Web / Cloud Android iPhone

  • Trillian icon

    Trillian

    Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Blackberry iPad

  • Wrike icon

    Wrike

    Project management software your business needs, with the insights you love & the security you require

    Freemium Mac Windows Web / Cloud Android iPhone iPad

  • LINE icon

    LINE

    LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics...

    Freemium Mac Windows Web / Cloud Android iPhone Blackberry ... Android Tablet Windows Phone iPad Apple Watch

  • Empathy icon

    Empathy

    Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell...

    Open Source Linux BSD

  • Basecamp icon

    Basecamp

    Basecamp is a web-based project collaboration tool that allows groups of people to share files, meet deadlines, assign tasks, and...

    Commercial Web / Cloud

  • Glip icon

    Glip

    Glip is instant messaging for teams and businesses to communicate and get work done at the same time. In Glip you work where your...

    Freemium Mac Windows Web / Cloud Android iPhone Android Tablet ... iPad

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  • ONLYOFFICE icon

    ONLYOFFICE

    ONLYOFFICE is a cloud office suite integrated with CRM, Project Management and Email. It is available in both commercial and open...

    Freemium Linux Web / Cloud Self-Hosted

  • HipChat icon

    HipChat

    HipChat is an instant messaging service designed for companies and teams. It has persistent chat rooms, one-to-one chat, searchable...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet iPad Self-Hosted Apple Watch

  • appear.in icon

    appear.in

    Video conversations with up to 8 people in your browser - no downloads, no login. Just name your channel and you are on. Works in all...

    Freemium Web / Cloud Android iPhone Android Tablet iPad

  • Nimbuzz icon

    Nimbuzz

    Nimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls to other...

    Freemium Mac Windows Web / Cloud Android iPhone Java Mobile ... S60 HP webOS Blackberry Android Tablet Windows Phone iPad Chrome Kindle Fire

  • HumHub icon

    HumHub

    HumHub is a free social network software and framework built to give you the tools to make teamwork easy and successful. It's...

    Open Source Mac Windows Linux Web / Cloud BSD Self-Hosted

  • ooVoo icon

    ooVoo

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

    Freemium Mac Windows Android iPhone Android Tablet Windows Phone ... iPad Kindle Fire

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  • Redbooth icon

    Redbooth

    Redbooth (formerly Teambox), the cloud-based company redefining collaboration and busines communications. Easily organize teams and...

    Commercial Web / Cloud Android iPhone iPad

  • Ekiga icon

    Ekiga

    Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323...

    Open Source Windows Linux

  • Wire icon

    Wire

    Wire is a secure, private and open source messenger for phones, tablets and desktop. Crystal clear voice and video calls, private...

    Free Mac Windows Web / Cloud Android iPhone Chrome OS ... Android Tablet iPad

  • eXo Platform icon

    eXo Platform

    eXo Platform is a Social Intranet designed for enterprises. It helps people work together in a collaborative workplace.

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... iPad

  • Yammer icon

    Yammer

    Yammer is revolutionizing internal corporate communications by bringing together all of a company’s employees inside a private and...

    Commercial Web / Cloud Android iPhone Windows Phone

  • Kopete icon

    Kopete

    Kopete is an instant messenger supporting AIM, ICQ, MSN, Yahoo, Jabber, IRC, Gadu-Gadu, Novell GroupWise Messenger, and more. It is...

    Open Source Mac Linux BSD

  • MOOVIA icon

    MOOVIA

    The easiest way to collaborate on projects and ideas. MOOVIA is an enjoyable and secure social environment to host your team`s...

    Freemium Web / Cloud

  • Microsoft SharePoint icon

    Microsoft SharePoint

    Microsoft Office SharePoint Server is an integrated suite of server capabilities that can help improve organizational effectiveness by...

    Commercial Windows Web / Cloud Android iPhone Windows Phone

  • Campfire icon

    Campfire

    Campfire is a simple web-based real-time group chat tool for business. It makes real-time communication with 2-60 people as simple as...

    Freemium Web / Cloud iPhone

  • Gitter icon

    Gitter

    Where developers come to talk. Gitter.im is a GitHub based chat and collaboration tool for developers and users.

    Freemium Mac Windows Linux Web / Cloud Android iPhone

  • kune icon

    kune

    Kune, which means "together" in esperanto, is a (decentralized) network of interconnected sites like this one, where you can...

    Open Source Web / Cloud

  • StrikeBase icon

    StrikeBase

    StrikeBase is an online work platform for collaboration and project management in one central place with tasks, time-tracking, web and...

    Freemium Mac Windows Linux Web / Cloud iPhone iPad

  • taskblitz icon

    taskblitz

    taskblitz offers a wide range of features to support your business to be successful. Like other solutions out there taskblitz enables...

    Freemium Web / Cloud

  • Kandan icon

    Kandan

    Open Source private chat server. Your own private Chat server in minutes, plus additional features. No credit card required. A fast...

    Open Source Web / Cloud Self-Hosted Ruby on Rails

  • Cisco WebEx icon

    Cisco WebEx

    Webex: The leader in online meetings, desktop sharing, web conferencing, video conference, net meeting, web conference. Get a free...

    Commercial Web / Cloud

  • GoToMeeting icon

    GoToMeeting

    Reliable, easy, effective web conferencing and online meetings. Work with anyone, anywhere. GoToMeeting allows you to host an online...

    Freemium Web / Cloud Android iPhone Android Tablet iPad

  • Vsee icon

    Vsee

    Extremely low bandwidth video collaboration software that supports application sharing, desktop sharing, file sharing, and PTZ camera...

    Free Personal Mac Windows