Top 6 Open-Source Alternatives to Skype for Slack

Product categories

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

Summary

The top open-source alternatives to Skype for Slack are Signal, Tox, and Wire. 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.

Signal Landing Page
1

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 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 28 social mentions
Wire Landing Page
3

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 social mentions
Bitrix24 Landing Page
4

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
Switchboard Landing Page
5

Switchboard

Turn your phone into a handsfree intercom
Pricing:
- Open Source
#Productivity #Web App #Video Conferencing
Twilio Landing Page
6

Twilio

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