Top 12 Open-Source Alternatives to CloudTalk

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Pricing:

Open Source
Paid
Free Trial
$25 / Monthly
Official Pricing

Platforms:

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Windows
Mac OSX
Linux
iOS
Android

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Product categories

Communication VoIP Enterprise Communication Messaging Cloud Business Telephony Customer Engagement Enterprise Software Group Chat & Notifications Instant Messaging CRM Call Center Software Chat SDK

Summary

The top open-source alternatives to CloudTalk are RingCentral, Twilio, and Zadarma. 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.

RingCentral Landing Page
1

RingCentral

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Pricing:
- Open Source
- Freemium
- Free Trial
- $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)
#Enterprise Communication #Communication #Online Meetings 3 social mentions
Twilio Landing Page
2

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Messaging #Communication #Communications SDK
Zadarma Landing Page
3

Zadarma

A new generation of VoIP for your business. Zadarma offers virtual phone numbers in 100+ countries, cloud PBX, and CRM systems.
Pricing:
- Open Source
- Freemium
- Free Trial
#CRM #Live Chat #Help Desk 4 social mentions
Amazon Connect Landing Page
4

Amazon Connect

A self-service, cloud-based call center 📞
Pricing:
- Open Source
#Enterprise Communication #Communication #Phone System 9 social mentions
Asterisk Landing Page
5

Asterisk

An open source telephony switching and private branch exchange service for Linux.
Pricing:
- Open Source
#Enterprise Communication #Communication #Cloud Business Telephony 4 social mentions
Linphone Landing Page
6

Linphone

Linphone is an internet phone or Voice Over IP phone (VoIP).
Pricing:
- Open Source
#Instant Messaging #Messaging #Communication 4 social mentions
Wire Landing Page
7

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Instant Messaging #Messaging #Communication 14 social mentions
Prism Landing Page
8

Prism

2 Sep 2016 .
Pricing:
- Open Source
#Enterprise Communication #Communication #VoIP 1 social mentions
freepbx Landing Page
9

freepbx

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Pricing:
- Open Source
#Enterprise Communication #Communication #VoIP
Wazo Landing Page
10

Wazo

Wazo is a unified communications platform based on Asterisk and focused on extensibility.
Pricing:
- Open Source
#Communication #Cloud Business Telephony #VoIP
fusionpbx.com
11

FusionPBX

FusionPBX is an open source FreeSWITCH GUI.
Pricing:
- Open Source
#Enterprise Communication #Communication #VoIP
OpenTok Landing Page
12

OpenTok

Build a custom video experience using our robust APIs, or add plug-and-play video to your website in minutes using Video Chat Embeds. Start Building for FreeTalk to SalesTalk to Sales .
Pricing:
- Open Source
#Messaging #Communication #Customer Engagement