Top 9 Open-Source Alternatives to Fongo

Product categories

Call Management Chat Chat SDK Cloud Business Telephony Cloud Communications Cloud Contact Center Communication Enterprise Communication Group Chat & Notifications Instant Messaging Messaging VoIP

Summary

The top open-source alternatives to Fongo are Linphone, RingCentral, and Signal. 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.

Linphone Landing Page
1

Linphone

Linphone is an internet phone or Voice Over IP phone (VoIP).
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 4 social mentions
RingCentral Landing Page
2

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
Signal Landing Page
3

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 social mentions
Lumicall Landing Page
4

Lumicall

Free calls using open technology on Android.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging
Twilio Landing Page
5

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
Telegram Landing Page
6

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
Asterisk Landing Page
7

Asterisk

An open source telephony switching and private branch exchange service for Linux.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication 4 social mentions
2nd Number Landing Page
8

2nd Number

2nd number lets you call and text to US & Canada at low rates. Make private calls, send texts, and connect internationally using your data or WiFi.
Pricing:
- Open Source
- Freemium
- Free Trial
- $10.0 / Monthly
#Communication #Telecommunications #Cloud Business Telephony
Wire Landing Page
9

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 social mentions