Top 12 Open-Source Alternatives to Linphone

The top open-source alternatives to Linphone are Wire, Tox, and Jami. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Wire Landing Page
1

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 social mentions
Tox Landing Page
2

Tox

Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Instant Messaging 29 social mentions
Jami Landing Page
3

J

Jami

Application and Data, Collaboration, and Web and Video Conferencing
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 9 social mentions
Signal Landing Page
4

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 social mentions
Asterisk Landing Page
5

Asterisk

An open source telephony switching and private branch exchange service for Linux.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication 4 social mentions
Telegram Landing Page
6

Telegram

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Pricing:
- Open Source
#Communication #Messaging #Instant Messaging 129 social mentions
Element.io Landing Page
7

Element.io

Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
Pricing:
- Open Source
- Free
#Group Chat & Notifications #Communication #Chat 1 social mentions
freepbx Landing Page
8

freepbx

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
Lumicall Landing Page
9

Lumicall

Free calls using open technology on Android.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging
fusionpbx.com
10

FusionPBX

FusionPBX is an open source FreeSWITCH GUI.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
Discord Landing Page
11

Discord

Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 122 social mentions
Zulip Landing Page
12

Zulip

Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 50 social mentions