📞 VoIP

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

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

Switch is a cloud-based phone system built for Google Apps users.

Tomba is the leading solution to find and verify professional email addresses. Start using Tomba and connect with the people that matter for your business.

Try for free Open Source freemium $39.0 / Monthly (Enterprise $389.00/mo Searches 25k Verifications 60k Teams 20)

Work locally, grow globally

Open Source paid Free Trial $25.0 / Monthly

Business VoIP, cloud phone systems trusted by more than 150,000 companies. Powered by the leading cloud PBX VoIP platform, Nextiva is rated the best business VoIP service provider.

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

An open source telephony switching and private branch exchange service for Linux.

Open Source

VoIP.ms is a VoIP origination and termination tool.

Easy to use Phone System with World-Class Support

paid $14.0 / Monthly

Grasshopper enables entrepreneurs to build a virtual office that connects callers to employees, wherever they are.

Google Voice gives you one number for all your phones, voicemail organized in an email format, free...

FreeSWITCH is an open-source media application designed to support popular protools such as SIP and WebRTC and provides a platform to develop voice and video applications.

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)

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).

Open Source