Top 12 Open-Source Alternatives to FreeSWITCH

The top open-source alternatives to FreeSWITCH are Asterisk, freepbx, and FusionPBX. 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.

Asterisk Landing Page
1

Asterisk

An open source telephony switching and private branch exchange service for Linux.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication 4 social mentions
freepbx Landing Page
2

freepbx

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
fusionpbx.com
3

FusionPBX

FusionPBX is an open source FreeSWITCH GUI.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
sipXcom Landing Page
4

sipXcom

sipXcom open source unified communications software is the standard for enterprise voice solutions. Voice, chat, IVR, presence and more in one application.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
Wazo Landing Page
5

Wazo

Wazo is a unified communications platform based on Asterisk and focused on extensibility.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
RingCentral Landing Page
6

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
Twilio Landing Page
7

Twilio

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

Linphone

Linphone is an internet phone or Voice Over IP phone (VoIP).
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 4 social mentions
Telegram Landing Page
9

Telegram

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Pricing:
- Open Source
#Communication #Messaging #Instant Messaging 129 social mentions
Bitrix24 Landing Page
10

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
WebRTC Landing Page
11

WebRTC

WebRTC is a free, open project that enables web browsers with Real-Time Communications (RTC) capabilities via simple JavaScript APIs. The WebRTC components have been optimized to best serve this purpose.
Pricing:
- Open Source
#Video Conferencing #Group Chat & Notifications #Communication 46 social mentions
Amazon Connect Landing Page
12

Amazon Connect

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