An instant messaging app that provides online text message and video chat services.

Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one to one or with a group! "Hangouts" are places used to facilitate group video chat (with a...

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

Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP...

Glip is instant messaging for teams and businesses to communicate and get work done at the same time. In Glip you work where your conversations are, so you always know what your team is doing and what needs to get done next.

Google Voice gives you one number for all your phones, voicemail organized in an email format, free US long distance calls, low rates on international calls, and many free calling features, including transcripts, call blocking, call...

Easy to start, easy to join and with no downloads for viewers, connecting for external presentations, sales demos, and ad hoc get-togethers means you get work done and get on with it.

Real-time chat & texting for business teams.

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

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.

Start online meetings with dozeo. The solutions is simple, intuitive and accessible from all around the world. dozeo offers an array of value adding features and will keep removing all barriers of digital communication tools.

Cloud collaboration workspace for modern teams. Includes persistent team and 1-to-1 chat, video meetings with screensharing, cloud file storage and integrations. Everything always available and synced across all your devices.

Some companies already use Bitrix24 for project collaboration and customer management. Tasks, chats, contacts and VoIP calls - all in one suite. Free for up to 12 users.

Jitsi Meet lets you stay in touch with all your teams, be they family, friends, or colleagues. Instant video conferences, efficiently adapting to your scale.

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

Proficonf is a lightning fast and powerful video conferencing web app. That allows you to participate in one-click meetings with up to 250 participants, share your screen, apps, tabs, and documents.

Flock is the fastest growing team messenger and loved by over 25,000 companies globally. It also comes with its powerful platform, FlockOS.

Livestorm is a webinar software tailored for startups and SMBs with built-in analytics, audience segmentation and CRM integrations.

Rabbit is about sharing your everyday. Watch your favorite shows with your friends, without being in the same room (or even the same city!). Collaborate with your coworkers when you’re all on the road.

Wimi is the ultimate productivity tool. It integrates all the essential applications to facilitate teamwork. Wimi saves time to managers and entrepreneurs working with teams and clients.

MsgSafe.io provides private, encrypted, online communication with layers of security you can trust.

Hibox combines group chat, AI-powered tasks and video to help teams collaborate in ways never before possible.

Zoom, the cloud meeting company, unifies mobile collaboration, cloud video conferencing and simple online meetings into one easy-to-use platform.

Tencent QQ, generally referred to as QQ, is the most popular free instant messaging computer program in Mainland China, and has over 856.2 million users. In April 2010, QQ.com ranked 10th overall in Alexas internet rankings.

Extremely low bandwidth video collaboration software that supports application sharing, desktop sharing, file sharing, and PTZ camera control. Also, this client is free without support for commercial, personal, and government use.