Onebox Alternatives

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.)

Real-time video infrastructure and SDK

Work smarter, not harder. Save 1 day/week with free customizable workflows. Get access to 40+ workflow templates such as Employee Recognition & Engagement. Simplify your day-to-day workflows, increase team productivity & add simplicity to your work.

Try for free freemium

Wireless business phone system built for sales and support team.

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

Open Source

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

YouMail turns visual voicemail into a personal assistant for handling all your missed calls.

Build fully customizable video-based apps

Bright Pattern provides multichannel cloud contact center software enabling rich customer experiences across popular channels.

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

Online meetings and video conferencing

StreamYard is a live streaming studio in your browser.

Cloud communications service provider that offers Business VoIP and Virtual PBX solutions to small...

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