Top 9 Open-Source Alternatives to C3

Product categories

Audio Conferencing Books & Reference Chat Chat SDK Communication Group Chat & Notifications Instant Messaging Messaging Online Services Real Time Communication Video Chat Video Conferencing

Summary

The top open-source alternatives to C3 are Mumble, Discord, and Tox. 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.

Mumble Landing Page
1

Mumble

Mumble is an open source, low-latency, high quality voice chat software primarily intended for use...
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Chat 2 social mentions
Discord Landing Page
2

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
Tox Landing Page
3

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 28 social mentions
Wire Landing Page
4

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 social mentions
Rocket.Chat Landing Page
5

Rocket.Chat

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Chat 65 social mentions
Zulip Landing Page
6

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
Orbit Landing Page
7

Orbit

Orbit is an advertising management software that helps businesses and agencies to manage their ad campaigns more effectively.
Pricing:
- Open Source
#Online Services #Communication #Group Chat & Notifications
Spreed Landing Page
8

Spreed

spreed is the worldwide Unified Web Conferencing service offering integrated web- and telephone conferencing.
Pricing:
- Open Source
#Group Chat & Notifications #Communication #Books & Reference
MirrorFly Landing Page
9

MirrorFly

World's Most Scalable Voice, Video & Chat SDK for Small, Medium & Enterprises
Pricing:
- Open Source
- Paid
- Free Trial
#Communication #Chat SDK #Group Chat & Notifications 8 user reviews