Communication

Adobe Connect web conferencing software service offers online meetings for collaboration, virtual classrooms and more.

Engage Your Online Students. BigBlueButton is a web conferencing system designed for online learning.

Blue Jeans Network maintains a cloud-based video collaboration service that enables video conferencing using practically any device.

Collaborate with partners and clients using ClickMeeting professional web conferencing software. Try it now, FREE!

Tagged makes it easy to meet and socialize with new people through games, shared interests, friend suggestions, browsing profiles, and much more.

Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.

Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.

Facebook Messenger is a faster way to message.

Enterprise-friendly version of Google Hangouts

GoToMeeting is a web conferencing service offering a range of services which are available on Mac, PC, iOS and Android devices.

GroupMe is a mobile group messaging app owned by Microsoft.

Open-source video calling and chat platform.

Join a WebRTC video conference powered by the Jitsi Videobridge

Instant screen sharing. Instant Aha!

LINE is a Japanese proprietary application for instant messaging on smartphones and PCs.

Livestorm is browser-based webinar software. We are on a mission to make your webinars simpler and smarter.

Matrix is an open standard for decentralized persistent communication over IP.

Mattermost is an open source alternative to Slack.

Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.

Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols.

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

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Care about marketing and audience engagement? ON24's webinar software brings you interactive tools that make webinar automation really simple.

Onstream Media is a video conferencing software that facilities businesses operations for different industries.

Free high quality video chat and video conferencing from ooVoo.

Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.

Don't bother with chat apps that don't respect your privacy. Revolt is a brand new chat platform designed around you.

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

Fast, simple & secure messaging. Privacy that fits in your pocket.

A messaging app for teams who see through the Earth!

TeamViewer lets you establish a connection to any PC or server within just a few seconds.

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

A secure, end-to-end encrypted Swiss instant messenger with a focus on privacy.

Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.

UberConference provides a rich visual interface for conference calls. Simple, visual, and free to use, it's audio conferencing done right.

Ventrilo is the next evolutionary step of Voice over IP (VoIP) group communications software.

Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing

WeChat is a complete mobile communication and private social networking app.

WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

Collaborate from anywhere - video meetings with no downloads

Private & Secure Messenger

Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.

Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.