Best SmartLine from GoDaddy Alternatives & Competitors in 2025

Simplest way to own a business phone number

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.)

The most intuitive platform to manage projects and teamwork

Visit website paid Free Trial $14.0 / Monthly (per seat)

Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.

paid Free Trial $9.99 / Monthly

Disposable phone numbers -- now with MMS photo support

TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.

One Phone, Multiple Numbers

Open Source

Our company offers virtual phone numbers, toll-free numbers, PBX, SMS numbers and numbers for a registration more than 100 countries. Buy Now!

paid $5.0 / Monthly

SMPP SMSC simulator to test SMS messaging applications.

Open Source freemium

Ninja Number provides the smartest leading edge solution for business owners to manage inbound communications economically, efficiently, effectively and effortlessly.

Sonetel is a communication app that lets you make an international business call at the cost of local calls.

Sideline™ is the free 2nd number for your smartphone. It uses your existing carrier network so your 2nd number works anywhere your cell phone does.

A smart phone number

One-click burner email addresses that you can use when signing up on websites to protect your identity and prevent your personal email address from being sold or spammed.

free $3.99 / Monthly (Pro)