Alternatives to Microsoft Lync for Windows with any license

  • 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 over the internet. Users can also call landlines and mobiles at competitive rates using Skype credit...

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

  • Jitsi icon

    Jitsi

    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...

    Open Source Mac Windows Linux Web / Cloud Android BSD

  • Trillian icon

    Trillian

    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...

    Freemium Mac Windows Linux Web / Cloud Android iPhone Blackberry iPad

  • Wire icon

    Wire

    Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages - everything is end-to-end encrypted. Wire works on Android, iOS...

    Free Mac Windows Linux Web / Cloud Android iPhone Chrome OS Android Tablet iPad Microsoft Edge Chrome Opera Firefox

  • join.me icon

    join.me

    Quick web-meeting with remote-control / screen & file sharing, no registration needed.

    Freemium Mac Windows Android iPhone

  • 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 conversations are, so you always know what your team is doing and what needs to get done next. Video...

    Freemium Mac Windows Web / Cloud Android iPhone Android Tablet iPad

  • 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

  • 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 and SIP protocols. It supports many audio and video codecs, and is interoperable with other SIP...

    Open Source Windows Linux PortableApps.com

  • Voxeet icon

    Voxeet

    Free HD conference calls up to 8 participants. High definition voice, 3D immersive sound.

    Free Windows Android iPhone Android Tablet iPad

  • OpenMeetings icon

    OpenMeetings

    Openmeetings provides video conferencing, instant messaging, white board, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming. Features *...

    Open Source Mac Windows Linux Web / Cloud

  • Vsee icon

    Vsee

    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.

    Free Personal Mac Windows

  • Brosix icon

    Brosix

    Brosix is a secure Instant Messaging and collaboration tool, ideal for everyday communication for business and leisure. Two different versions of Brosix give you the opportunity to choose the version best for you. » Brosix...

    Free Personal Mac Windows Linux Web / Cloud Android iPhone Android Tablet iPad

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  • Spreed icon

    Spreed

    Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3 attendees and max 1.5h meetings. Single events or monthly service can be...

    Commercial Mac Windows Linux Web / Cloud

  • Bopup Messenger icon

    Bopup Messenger

    This app allows to exchange secure messages and communicate instantly with users connected to the same communication server software from mobile and desktop-based messaging clients. Instant messaging is strongly encrypted and archived...

    Commercial Windows Android Android Tablet

  • Bopup Communication Server icon

    Bopup Communication Server

    Instant Messaging (IM) server for internal and secure collaboration over corporate and business networks. It provides Active Directory support, message and file archiving, offline messaging and document distribution with a strong...

    Commercial Windows

  • Adobe Connect icon

    Adobe Connect

    Adobe® Connect - Web meetings, eLearning, and webinars for the enterprise.

    Commercial Mac Windows Linux Web / Cloud Android iPhone Android Tablet iPad

  • VIPole Secure Messenger icon

    VIPole Secure Messenger

    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. ...

    Freemium Mac Windows Linux Android iPhone

  • TrueConf icon

    TrueConf

    Free software on-premises video conferencing server with strong UC capabilities and native apps for all major platforms.

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

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  • FreeScreenSharing.com

    FreeScreenSharing.com is a free online meeting service designed for screen sharing, web conferencing, product demonstrations, webinars and more.

    Free Mac Windows Linux Web / Cloud

  • MeetingBurner icon

    MeetingBurner

    MeetingBurner is a fast and easy way to hold meetings and webinars online, and best of all it's free!

    Free Mac Windows Linux Web / Cloud Java Mobile

  • LiveSein icon

    LiveSein

    LiveSein is an easy solution for easy collaboration. LiveSein allows distributed team members instant and effective collaboration with online meetings, documents, status messages and users. LiveSein works simply in your...

    Commercial Mac Windows Linux

  • omNovia icon

    omNovia

    omNovia Web Conference offers easy-to-use web conferencing, webinar, webcasting solutions for online collaborative meetings, trainings and elearning sessions. In addition to integrated audio and other interactive tools, omNovia offers...

    Commercial Mac Windows Linux Web / Cloud Android Blackberry Windows Phone

  • ISL Groop icon

    ISL Groop

    Use ISL Groop to meet, demonstrate and train online with anyone in real time. As a host, arrange a new online meeting, invite participants via email, and create static and live content. All that other attendees need to do is open your...

    Commercial Mac Windows Linux Android iPhone

  • OnSync icon

    OnSync

    Welcome to Digital Samba, provider of leading Flash based web conferencing software OnSync, used for enterprise and SMB online and web meetings, education, video conferencing, webinars, web casting, eLearning, conference calling...

    Freemium Mac Windows Linux Web / Cloud

  • Nefsis icon

    Nefsis

    Nefsis is the best business multipoint video conferencing with a FREE trial. Superior to WebEx and more cost effective than Polycom, our videoconference software and online meeting services use standard PCs, Internet connections, and...

    Commercial Windows

  • Im InTouch Meeting icon

    Im InTouch Meeting

    Collaborate more effectively and save on traveling costs by hosting online meetings from your computer. Share your desktop with up to 15 people anywhere in the world to conduct web conferencing, online training, sales demonstrations...

    Commercial Windows

  • iLinc icon

    iLinc

    iLinc specializes in secure and reliable web and video conferencing software that reduces costs and increases sales through solutions for meetings, webinars, training, collaboration, learning, support, and online presentations.

    Commercial Mac Windows

  • MegaMeeting.com icon

    MegaMeeting.com

    Web and video conferencing software for online meetings that helps to reduce travel related costs, extends your marketing reach & makes geography inconsequential. Provides webinar hosting,video chat server, webinar software, web...

    Commercial Mac Windows Linux Web / Cloud