Top 12 Open-Source Alternatives to Vowel

Product categories

AI AI Assistant APIs Add-on Agile Project Management Group Chat & Notifications Meeting Productivity Productivity Video Conferencing Video Streaming Voice And Messaging API Web And Video Conferencing

Summary

The top open-source alternatives to Vowel are Zoho CRM, 100ms Live, and Zipcall.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.

Zoho CRM Landing Page
1

Zoho CRM

Omnichannel CRM for Businesses of all sizes
Pricing:
- Freemium
- Free Trial
- $14.0 / Annually ($14 USD/monthly on Annual Subscription.)
#CRM #Productivity #CMS 1 social mentions
100ms Live Landing Page
2

100ms Live

Video and Live Streaming infra for a video-first world
Pricing:
- Open Source
- Freemium
- Free Trial
- $0.04 / Usage
#Video Streaming #APIs #Meetings 5 social mentions
Zipcall.io Landing Page
3

Zipcall.io

Decentralised, free browser-based video calling
Pricing:
- Open Source
#Video Conferencing #Group Chat & Notifications #Business & Commerce 1 social mentions
Noty.ai Landing Page
4

Noty.ai

Workplace AI Assistant transforming meetings into Action Items and Follow-ups
Pricing:
- Open Source
- Freemium
- Free Trial
#Transcription #AI Assistant #Gmail Add-on 1 user reviews
Cal.com Landing Page
5

Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.
Pricing:
- Open Source
#APIs #Open Source #Calendar And Scheduling 53 social mentions
MirrorFly Landing Page
6

MirrorFly

World's Most Scalable Voice, Video & Chat SDK for Small, Medium & Enterprises
Pricing:
- Open Source
- Paid
- Free Trial
#Communication #Chat SDK #Group Chat & Notifications 8 user reviews
Whenever Landing Page
7

Whenever

Casual calendar app for iOS
Pricing:
- Open Source
#Productivity #Event Management #Events
Notion Landing Page
8

Notion

All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Pricing:
- Open Source
#Productivity #Work Collaboration #Note Taking 438 social mentions
Future Landing Page
9

Future

Calendar events around the clock
Pricing:
- Open Source
#Health And Fitness #Fitness Tracker #Sport & Health
Hologram Landing Page
10

Hologram

Frontend Development and Design
Pricing:
- Open Source
#APIs #Productivity #Video Streaming
Hack Club Landing Page
11

Hack Club

Free and open source high school coding clubs 👊💥
Pricing:
- Open Source
#Education #Online Learning #Productivity 32 social mentions
Parabol Landing Page
12

Parabol

Agile Meeting Co-Pilot
Pricing:
- Open Source
- Freemium
#Remote Meetings #Agile Project Management #Project Retrospectives 1 social mentions