Top 15 Sideline Alternative and Similar Softwares | Dec 2020

Add a free work number to your smartphone with Sideline. Just download the app, choose your number, and you get a second number that works just like your first. It’s as simple as that.

Unlike “cloud-based,” “VoIP,” or “virtual” phone systems, Sideline works with your existing carrier network to provide the same great quality and reliability you get from your regular cell number. This also lets you use the minutes you already pay for, which are probably unlimited.

1. Aircall

Aircall Simple & smart phone system designed for teams- Get numbers instantly wherever you need them. In 40 countries.- Cascade easily phone calls across your team, wherever they are, on any device- collaborate on calls: share contacts, comments, voicemails to make sure your customers are attended......

2. Bandwidth

Bandwidth Direct to carrier voice API and text messaging API. Enhance your app with voice and messaging functionality.......

3. YouRoam

YouRoam YouRoam lets you make and receive calls on YOUR cell number anywhere in the world over WiFi, 3G or LTE! STOP PAYING ROAMING FEES WHEN YOU TRAVEL!? Free phone calls and free texting with all your contacts that have YouRoam through WiFi or 3G and never pay for roaming or......

4. Never-Forget.me

Never-Forget.me Never-Forget.me is a delayed messaging service allowing you to compose email messages that remain unsent as long as you click a link, at a recurring interval you specify, to continue to postpone the sending of your message.Why is this useful?Well, you can use Never-Forget.me to hold a message that can......

5. KeepCalling

KeepCalling Save money on your international phone calls with KeepCalling app! Call internationally or send an SMS at great rates. Enjoy high quality VoIP calls, low rates and an easy to use service. It's time to save when you call internationally!Buy prepaid credit online and replace calling cards and phone cards......

6. Truedialer

Truedialer Ever looked at your call history and wondered, whose numbers are these?Truedialer magically adds names & photos to unknown numbers in your call history, making your phone Truly smart. Time to replace your standard dialer!Truedialer is brought to you by Truecaller, a community of over 200 million members working together......

7. Briar

Briar Briar is a messaging app designed for activists, journalists, and anyone else who needs a safe, easy and robust way to communicate. Unlike traditional messaging tools such as email, Twitter or Telegram, Briar doesn't rely on a central server - messages are synchronized directly between the users' devices. If the......

8. Wazo

Wazo Wazo is mainly an IPBX that provides communication services such audio, video, and instant messaging based on the use of standard network technologies such as the TCP/IP protocol. It is interoperable with most market telephony systems and gives users access to flexible and advanced services without requiring specialized hardware. Wazo......

9. WhatsBroadcast

WhatsBroadcast Meet the leading service provider for WhatsApp newsletter marketing. Our service tool provides you with the best messaging gateway and innovative chatbots.......

10. CALLR

CALLR Carrier grade Voice and Messaging API covering 220+ countries: SIP Trunking, Notifications, Call Tracking, Custom IVR, Person-to-Person, & User Acquisition. Use cases are mean to present our services and features in easily understandable and relatable manner. Use cases are not exclusive: effectively, the permeability between some use cases can be......

11. Voxeet

Voxeet Free HD conference calls up to 8 participants. High definition voice, 3D immersive sound.Voxeet has created a new generation sound technology that makes audio conferencing for distributed groups as natural as face-to-face communications. Voxeet offers affordable, crystal clear business quality conferencing services with one touch click-to-mobile.Voxeet is a radical improvement......

12. WhatsATool

WhatsATool Efficient messenger solution for marketing and customer serviceThe revolution of the messenger services such as WhatsApp and Telegram is in full swing. Over WhatsApp alone, 44.4 million messages are sent per minute worldwide. In Austria, Germany and many other countries, WhatsApp is installed on more than three quarters of all......

13. Silent Phone

Silent Phone Silent Phone – Secure Encrypted Video & Voice Mobile Phone CallsYou now have the ability to have secure encrypted phone calls between Silent Circle members, anywhere, anytime, with complete control.Make a secure call as easy as an ordinary call and be sure of real safety when it counts the most.......

14. Ringio

Ringio Ringio is a CRM-friendly phone solution for businesses that love their customers and want to improve the quality of their real-time interactions.......

15. NuaCom

NuaCom Improve your business phone system, make it more flexible and affordable with Nuacom. Get lots of features and free calls to Irish and UK landlines, reduce the price of your phone bills by around 50%.......