Microsoft Lync is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is Jitsi, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Microsoft Lync and 18 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Microsoft Lync are Skype (Freemium), Wire (Free Personal, Open Source), BigBlueButton (Free, Open Source) and Trillian (Freemium).
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP, etc.
Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call over the internet. Users can also call landlines and mobiles at competitive rates using Skype credit, premium accounts and subscriptions.
Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption. Why Wire?
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.
Adobe Connect is software used to create information and general presentations, online training materials, web conferencing, learning modules, webinars, and user desktop sharing. All meeting rooms are organized into 'pods'; with each pod performing a specific role (i.e.
VIPole is a Secure Instant Messenger for secure messaging, encrypted voice/video calls, group chats that provides highly secure and strongly encrypted environment for all your communications and files you exchange over internet.