CounterPath Bria Alternatives

White-label VoIP Softphone with WebRTC and Auto-provisioning

Application and Data, Collaboration, and Web and Video Conferencing

Open Source

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.

Try for free paid Free Trial $4.99 / Monthly (User)

PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP).

tomeko.net/software: SIP client for Windows.

Empower Creation and Ensure Brand Consistency. Build and Share libraries of visual assets with your entire team — all from your desktop.

Open Source

Desktop client for Google Hangouts

Comwave is a state-of-the-art communication service and rich solution providing a platform that is designed for modern businesses to streamline their growth with an agile approach.

Softphone for VoIP, CAPI und TAPI.

Astian Spika is an instant messaging service focused on speed, security and productivity. With great differences such as integration with Astian Cloud, support for video calls, calls among other features.

SessionTalk Desktop Softphone is a feature rich SIP Client for Windows devices with Video, Messaging, Push Notifications, Encryption, Dial Plan, Call Transfer and Call Recording.

WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

free

International calls from your mobile, landline or computer.

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

Open Source