Top 12 Open-Source Alternatives to CloudTalk

The top open-source alternatives to CloudTalk are RingCentral, Bitrix24, and Asterisk. 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.)
#Communication #VoIP #Cloud Contact Center 3 social mentions
Bitrix24 Landing Page
2

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
Asterisk Landing Page
3

Asterisk

An open source telephony switching and private branch exchange service for Linux.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication 4 social mentions
Twilio Landing Page
4

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
Amazon Connect Landing Page
5

Amazon Connect

A self-service, cloud-based call center 📞
Pricing:
- Open Source
#Communication #Enterprise Communication #Cloud Business Telephony 8 social mentions
Linphone Landing Page
6

Linphone

Linphone is an internet phone or Voice Over IP phone (VoIP).
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 4 social mentions
freepbx Landing Page
7

freepbx

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
Wire Landing Page
8

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 social mentions
Melrose Labs SMSC Simulator Landing Page
9

Melrose Labs SMSC Simulator

SMPP SMSC simulator to test SMS messaging applications.
Pricing:
- Open Source
- Freemium
- Free Trial
#Messaging #Communication #Text Messaging
fusionpbx.com
10

FusionPBX

FusionPBX is an open source FreeSWITCH GUI.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
OpenTok Landing Page
11

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
#Communication #Messaging #Cpaas
Wazo Landing Page
12

Wazo

Wazo is a unified communications platform based on Asterisk and focused on extensibility.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication