Top 12 Open-Source Alternatives to Line2

Product categories

CRM CRM Platforms Call Center Software Chat Chat SDK Cloud Contact Center Communication Enterprise Communication Group Chat & Notifications Instant Messaging Messaging VoIP

Summary

The top open-source alternatives to Line2 are RingCentral, Asterisk, and Telegram. 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
Asterisk Landing Page
2

Asterisk

An open source telephony switching and private branch exchange service for Linux.
Pricing:
- Open Source
#Communication #VoIP #Enterprise Communication 4 social mentions
Telegram Landing Page
3

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 128 social mentions
CloudTalk Landing Page
4

CloudTalk

Work locally, grow globally
Pricing:
- Open Source
- Paid
- Free Trial
- $25.0 / Monthly
#Communication #Enterprise Communication #Call Center Software
freepbx Landing Page
5

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
6

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 social mentions
ITG VoIP Plug & Play Landing Page
7

ITG VoIP Plug & Play

A business telephone system ready to use in three easy steps: 1. Choose a call plan 2. Get all features 3. Choose a phone
Pricing:
- Open Source
- Paid
- £9.99 / Monthly (Unlimited UK landline)
#Enterprise Communication #VoIP #Communication
Twilio Landing Page
8

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
Bitrix24 Landing Page
9

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
Shuffle Landing Page
10

Shuffle

One Phone, Multiple Numbers
Pricing:
- Open Source
#Communication #Online Services #Tool
Zulip Landing Page
11

Zulip

Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 50 social mentions
Zadarma Landing Page
12

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