Alternatives to Google Duo for Linux with any license

Skype

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

Freemium Mac Windows Linux Web Android ... iPhone Blackberry Chrome OS Windows S Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com
Share your screen Video calling Exchange Integration IFTTT integration ... Microsoft Office integration Video calling Voice Call Add a feature

2363 Like
Tox

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

Free Open Source Mac Windows Linux Android iPhone ... Android Tablet BSD
Decentralized Encrypted chat Peer-To-Peer Built-in player ... Security focused Video calling Ad-free Anonymity Anonymous Secure Filesharing Client side encryption End-to-end encryption Group chat Peer-To-Peer Privacy focused Share your screen Texting Add a feature

367 Like
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...

Free Personal $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad
End-to-end encryption Security focused Encrypted calls Encrypted chat ... Group chat Integrated File Sharing Photo Sharing Privacy focused Privacy Protected Share your screen Video calling Voice Call WebRTC Add a feature

164 Like
Empathy

Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those...

Free Open Source Linux BSD
Built-in File transfer Multiple protocols Video calling Add a feature

154 Like
- Discontinued Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
Orbit

Instant messaging rooms for the distributed network IPFS.

Free Open Source Mac OS X Windows Linux IPFS JavaScript ... Go (Programming Language)
No features added Add a feature

12 Like
Mixsii

1 on 1 Video Calls HD Video Chat with friends, family, and strangers completely free from your web browser. No download required to make it work! Group Video Calls ...

Free Mac OS X Windows Linux Web Windows Mobile ... Android iPhone Blackberry Chrome OS Windows RT Android Tablet Windows Phone iPad Blackberry 10 Apple TV Kindle Fire
Group chat Mobile friendly Private messaging Text chat ... Video calling Voice Call WebRTC Add a feature

2 Like
zoro.im

zoro.im is 100% Saas based Unified communication, collaboration, telephony, business messaging and digital wallet platform zoro.im app is available in 2 variants ...

Free Personal Windows Linux Android iPhone iPad
Low bandwidth usage Real time collaboration Team messaging Video calling Add a feature

2 Like
Messenger for WhatsApp

Messenger for WhatsApp™ (WA Messenger) is a wrapper for WhatsApp Web. It loads WhatsApp Web in toolbar popup UI and has badge icon text notification for all new...

Free Mac OS X Windows Linux Firefox
Encrypted chat Group chat Video calling Voice Call Add a feature

0 Like
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