Top 12 Open-Source Alternatives to QKSMS

Product categories

Chat Chat SDK Cloud Communications Communication Communications SDK Customer Engagement Customer Interaction Group Chat & Notifications Instant Messaging Messaging Privacy Security

Summary

The top open-source alternatives to QKSMS are Signal, Element.io, and Wickr. 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
Element.io Landing Page
2

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
Wickr Landing Page
3

Wickr

Wickr is a free end-to-end encrypted text, video, picture and voice messenger with full sender...
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 5 social mentions
Discord Landing Page
4

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
5

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
WhatsApp Web Landing Page
6

WhatsApp Web

A WhatsApp client for web
Pricing:
- Open Source
#Communication #Messaging #Group Chat & Notifications 180 social mentions
Twilio Landing Page
7

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
Tox Landing Page
8

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
9

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 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 #Messaging 582 social mentions
SimpleX chat Landing Page
11

SimpleX chat

🚀 SimpleX - the most private and secure chat - now with double ratchet E2E encryption!
Pricing:
- Open Source
#Chat #Privacy #Security 59 social mentions
Tinode Landing Page
12

Tinode

Tinode Instant Messaging
Pricing:
- Open Source
#Communication #Messaging #Group Chat & Notifications