Top 12 Open-Source Alternatives to Spectrum Chat

Product categories

CRM CRM Platforms Chat Chat SDK Cloud Communications Communication Communications SDK Customer Engagement Group Chat & Notifications Instant Messaging Messaging Work Collaboration

Summary

The top open-source alternatives to Spectrum Chat are Mattermost, Discord, and Element.io. 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.

Mattermost Landing Page
1

Mattermost

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

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
Twilio Landing Page
4

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
Signal Landing Page
5

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 social mentions
Kiwi IRC Landing Page
6

Kiwi IRC

A hand-crafted IRC client that you can enjoy. Designed to be used easily and freely.
Pricing:
- Open Source
#Group Chat & Notifications #Messaging #Communication 6 social mentions
Bitrix24 Landing Page
7

Bitrix24

Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Pricing:
- Open Source
- Freemium
- Free Trial
- $69.0 / Monthly (6 users / 50 GB / CRM+)
#Project Management #Task Management #Communication
Zulip Landing Page
8

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
irssi Landing Page
9

irssi

Irssi is a terminal based IRC client for UNIX systems.
Pricing:
- Open Source
#Group Chat & Notifications #Messaging #Communication 6 social mentions
Matrix.org Landing Page
10

Matrix.org

Matrix is an open standard for decentralized persistent communication over IP.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Instant Messaging 582 social mentions
Wire Landing Page
11

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 social mentions
ejabberd SaaS Landing Page
12

ejabberd SaaS

Realtime XMPP and MQTT Software and Infrastructure as a Service.
Pricing:
- Open Source
#Group Chat & Notifications #Communication #Chat