Top 8 Open-Source Alternatives to Sideline

Product categories

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

Summary

The top open-source alternatives to Sideline are RingCentral, CloudTalk, and Twilio. 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
CloudTalk Landing Page
2

CloudTalk

Work locally, grow globally
Pricing:
- Open Source
- Paid
- Free Trial
- $25.0 / Monthly
#Communication #Enterprise Communication #Call Center Software
Twilio Landing Page
3

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
Signal Landing Page
4

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 social mentions
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
Wire Landing Page
6

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 social mentions
Bitrix24 Landing Page
7

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
8

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