Top 8 Open-Source Alternatives to Kumospace

Product categories

APIs Android Appointments and Scheduling Business & Commerce CMS CRM Calendar And Scheduling Communication Group Chat & Notifications Messaging Productivity Video Conferencing

Summary

The top open-source alternatives to Kumospace are Zipcall.io, Discord, and Sylaps. 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.

Zipcall.io Landing Page
1

Zipcall.io

Decentralised, free browser-based video calling
Pricing:
- Open Source
#Video Conferencing #Group Chat & Notifications #Business & Commerce 1 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
Sylaps Landing Page
3

Sylaps

Meet with anyone. Now.
Pricing:
- Open Source
- Freemium
- Free Trial
#Web App #Video Conferencing #Android 1 user reviews
Cal.com Landing Page
4

Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.
Pricing:
- Open Source
#APIs #Open Source #Calendar And Scheduling 53 social mentions
Digital Samba Landing Page
5

Digital Samba

Encrypted and GDPR-compliant video conferencing software and video calling API
Pricing:
- Open Source
- Freemium
- Free Trial
#Video Conferencing #Webinar Software #Virtual Classrooms
Zoho CRM Landing Page
6

Zoho CRM

Omnichannel CRM for Businesses of all sizes
Pricing:
- Open Source
- Freemium
- Free Trial
- $14.0 / Annually ($14 USD/monthly on Annual Subscription.)
#CRM #Productivity #CMS 1 social mentions
Chat by Stream Landing Page
7

Chat by Stream

Build and ship in app messaging in a few hours
Pricing:
- Open Source
#Communication #Chat SDK #Prototyping 13 social mentions
Signal Landing Page
8

Signal

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