Zoiper Alternatives

Open-source video calling and chat platform.

Linphone is an internet phone or Voice Over IP phone (VoIP).

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Visit Website     paid Free Trial $4.99 / Monthly (User)

Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

VOIP Business Phone Service + Virtual PBX

Virtual phone system that lets you run your business from anywhere.

Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs

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!

freemium $69.0 / Monthly (6 users / 50 GB / CRM+)

MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack.

Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for...

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Freshcaller is a modern-day reimagining of our everyday phone system for customer support, sales, IT, and HR teams.

freemium $15.0 / Monthly

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies

freemium $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)

The X-Lite softphone from CounterPath. Try out our fully-loaded Bria desktop client including voice and video call, messaging and presence or download X-Lite for try to test SIP softphone features.