Top 5 Open-Source Alternatives to blizz

The top open-source alternatives to blizz are Discord, Mattermost, and Rocket.Chat. 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.

Discord Landing Page
1

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
Mattermost Landing Page
2

Mattermost

Mattermost is an open source alternative to Slack.
Pricing:
- Open Source
#Team Collaboration #Work Collaboration #Web And Video Conferencing 59 social mentions
Rocket.Chat Landing Page
3

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
RingCentral Landing Page
4

RingCentral

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Pricing:
- Open Source
- Freemium
- Free Trial
- $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)
#Communication #VoIP #Cloud Contact Center 3 social mentions
Aspia Landing Page
5

A

Aspia

Aspia is a free and open source application for remote computer management.
Pricing:
- Open Source
#Group Chat & Notifications #Monitoring Tools #Remote Desktop