Top 12 Open-Source Alternatives to Line2

Line2

Line2 adds a second phone number or complete cloud business phone system to smartphones & computers that's robust yet affordable. Buy online or get a custom quote.

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Pricing:

Official Pricing

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Product categories

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

Summary

The top open-source alternatives to Line2 are RingCentral, Asterisk, 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.

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.)
#Enterprise Communication #Communication #Online Meetings 3 social mentions
Asterisk Landing Page
2

Asterisk

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

CloudTalk

Work locally, grow globally
Pricing:
- Open Source
- Paid
- Free Trial
- $25.0 / Monthly
#Enterprise Communication #Communication #VoIP
Twilio Landing Page
4

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Messaging #Communication #Communications SDK
Telegram Landing Page
5

Telegram

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Pricing:
- Open Source
#Instant Messaging #Messaging #Internet Calls 136 social mentions
freepbx Landing Page
6

freepbx

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Pricing:
- Open Source
#Enterprise Communication #Communication #VoIP
Shuffle Landing Page
7

Shuffle

One Phone, Multiple Numbers
Pricing:
- Open Source
#Education #Communication #VoIP
Bitrix24 Landing Page
8

Bitrix24

Boost your team's success with Bitrix24! Seamlessly collaborate, automate tasks, and manage projects in one powerful platform. Unleash productivity, streamline workflows, and achieve your goals with ease. Your all-in-one solution for business growth.
Pricing:
- Open Source
- Freemium
- Free Trial
- $49.0 / Monthly (5 users / 24 GB )
#CRM #Project Management #Task Management
ITG VoIP Plug & Play Landing Page
9

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 #Communication #Cloud Contact Center
Zulip Landing Page
10

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
#Messaging #Communication #Chat 58 social mentions
Zadarma Landing Page
11

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
#CRM #Live Chat #Help Desk 4 social mentions
Wire Landing Page
12

Wire

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