Top 12 Open-Source Alternatives to tSIP

The top open-source alternatives to tSIP are Lingo, Jami, and Linphone. 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.

Lingo Landing Page
1

Lingo

Empower Creation and Ensure Brand Consistency. Build and Share libraries of visual assets with your entire team — all from your desktop.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Instant Messaging
Jami Landing Page
2

J

Jami

Application and Data, Collaboration, and Web and Video Conferencing
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 9 social mentions
Linphone Landing Page
3

Linphone

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

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
Asterisk Landing Page
5

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
6

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
WhatsApp Web Landing Page
7

WhatsApp Web

A WhatsApp client for web
Pricing:
- Open Source
#Communication #Messaging #Group Chat & Notifications 180 social mentions
fusionpbx.com
8

FusionPBX

FusionPBX is an open source FreeSWITCH GUI.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
Wire Landing Page
9

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 social mentions
freepbx Landing Page
10

freepbx

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication
Signal Landing Page
11

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 social mentions
RingCentral Landing Page
12

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