Alternatives to Microsoft Lync for all platforms 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

  • Disa icon

    Disa

    Unified Messaging is awesome! Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.

    Open Source Android Android Tablet Kindle Fire

  • 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 visiting a web page. It’s elegant, easy, and web-based. You don’t need to download, install, or...

    Commercial Web / Cloud iPhone

  • Voxeet icon

    Voxeet

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

    Free Windows Android iPhone Android Tablet iPad

  • Cisco WebEx icon

    Cisco WebEx

    Webex: The leader in online meetings, desktop sharing, web conferencing, video conference, net meeting, web conference. Get a free 14-day trial of WebEx online meetings, the leading web conferencing and video conference solution for...

    Commercial Web / Cloud

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  • 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

  • BigBlueButton icon

    BigBlueButton

    BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students. Our vision is that starting a web conference should be as easy as clicking a single metaphorical big blue button. As...

    Open Source Linux Self-Hosted

  • GoToMeeting icon

    GoToMeeting

    Reliable, easy, effective web conferencing and online meetings. Work with anyone, anywhere. GoToMeeting allows you to host an online meeting with up to 15 people – so you can do more and travel less. Using our web conferencing...

    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 control. Also, this client is free without support for commercial, personal, and government use.

    Free Personal Mac Windows

  • JumpChat icon

    JumpChat

    Jump into a video chat with your friends without the need for creating accounts. Chat using just a WebRTC supported browser or phone. Features: - Video chat mobile devices or the browser - Encrypted communication - Chat with up...

    Free Web / Cloud Android iPhone Android Tablet iPad

  • 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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  • Twiddla icon

    Twiddla

    Mark up websites, graphics, and photos, or start brainstorming on a blank canvas. Browse the web with your friends or make that conference call more productive than ever. No plug-ins, downloads, or firewall voodoo - its all here...

    Free Web / Cloud

  • Speek icon

    Speek

    At Speek we’re dedicated to bringing you super simple conference calling with no dial-ins, pins or downloads. Participants click the Speek link to start or join a call from their phone, web or mobile browser. You can see who’s joined...

    Freemium Web / Cloud Android iPhone Windows Phone

  • 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

  • Fuze Meeting icon

    Fuze Meeting

    Fuze Meeting is the premier web conferencing tool that allows you to conduct online meetings rather than travel to far off places. It’s the easiest and most cost-effective way to hold online meetings, period. Our unique features...

    Commercial Web / Cloud

  • AnyMeeting icon

    AnyMeeting

    Web Conferencing & Webinar Service. No time limits or restrictions. Up to 200 attendees per meeting, screen sharing, conference calling and more

    Commercial Web / Cloud

  • 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

  • VideoVisit icon

    VideoVisit

    VideoVisit portal technology revolutionizes the way face to face meetings are conducted and delivered in the 21st century. Book VideoVisit provides you 24/7 video conferencing reception service on your own website through a...

    Commercial Web / Cloud

  • SpeakServe icon

    SpeakServe

    The app integrates your contacts and makes setting up a conference call as easy as clicking on the names of the participants and starting the call. If one or more of the participants in the call is not a contact then you can...

    Free Web / Cloud iPhone

  • OnePgr icon

    OnePgr

    Onepgr is your online mini meeting. Onepgr allows speed, simplicity, and spontaneity. A "OnePgr" is a single page that brings together various communication tools into a persistent context including documents, user list and...

    Freemium Web / Cloud Android iPhone Android Tablet iPad

  • 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

  • Live.pics.io icon

    Live.pics.io

    With Live.pics.io you can share your images in a new way - show images at the highest quality and accompany with your voice. Great for remote work of retouchers, photographers and designers.

    Free Web / Cloud

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