Top 12 Open-Source Alternatives to Vonage

Vonage

Vonage is a cloud-based all-in-one VoIP software solution designed for multiple industries such as accounting, healthcare, finance and marketing etc. subtitle

Product categories

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

Summary

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

Twilio Landing Page
1

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
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
CloudTalk Landing Page
3

CloudTalk

Work locally, grow globally
Pricing:
- Open Source
- Paid
- Free Trial
- $25.0 / Monthly
#Communication #Enterprise Communication #Call Center Software
2nd Number Landing Page
4

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
Bitrix24 Landing Page
5

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
Zadarma Landing Page
6

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
#VoIP #PBX #Cloud Business Telephony 4 social mentions
Discord Landing Page
7

Discord

Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 122 social mentions
Yammer Landing Page
8

Yammer

Yammer is a leading enterprise social network used by more than 200,000 companies worldwide, including 85% of the Fortune 500, to get work done smarter and faster. Sign Up Today.
Pricing:
- Open Source
#Project Management #Task Management #Communication
CometChat Landing Page
9

CometChat

Seamless Real-Time Chat Integration for Your Applications.
Pricing:
- Open Source
- Freemium
- Free Trial
- $109.0 / Monthly (Based on the Monthly Active Users (MAUs))
#Chat SDK #Communication #Voice And Messaging API 4 social mentions
Signal Landing Page
10

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 social mentions
Asterisk Landing Page
11

Asterisk

An open source telephony switching and private branch exchange service for Linux.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication 4 social mentions
Wire Landing Page
12

Wire

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