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 Video calling Exchange Integration ... Group Messaging IFTTT integration Microsoft Office integration Video calling Voice Call Add a feature

2442 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 Privacy focused ... Built-in player Apps with End-to-End Encryption Share your screen Security focused Video calling Ad-free Anonymity Anonymous Secure Filesharing Client side encryption Decentralisation Group chat Peer-To-Peer Point-to-point encryption Video calling Voice Call Add a feature

403 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
Apps with End-to-End Encryption Encrypted chat Security focused Video calling ... Voice Call Encrypted calls Group chat Share your screen Anonymity Encryption Integrated File Sharing Multiple Account support Open Source apps Photo Sharing Privacy focused Privacy Protected Secure File Sharing File Sending Video calling Voice messages WebRTC Add a feature

213 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...
- Discontinued Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
Free Open Source Linux BSD
Integrated File Sharing Support for Multiple protocols Video calling Add a feature

153 Like
Orbit

Instant messaging rooms for the distributed network IPFS.

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

13 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 Windows Linux Web Windows Mobile ... Android iPhone Blackberry Chrome OS Windows S Android Tablet Windows Phone iPad Blackberry 10 Apple TV Kindle Fire
Group chat Mobile friendly Private messaging Text chat ... Video calling Voice Call Web-Based WebRTC 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 Windows Linux Firefox
Encrypted chat Group chat Video calling Voice Call Add a feature

0 Like
Nertivia - Chat Client

Chat with friends or anyone around the world, free gif and emoji support. Ability to make your own server is coming soon!.

Free Open Source Windows Linux Web Android
Emoji Text support Group chat User Profiles Add a feature

0 Like