Life & fun · alternatives · 2026

24 alternatives to NumSphere

Transform your business VoIP Custom Functionality

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Fonoster▲114
Engage with your customers with VoIP or SMS
2021 · fonoster.com · its alternatives →
2
Voiptime Cloud Cold Calling Software▲92
Close more deals 3 times faster with our predictive dialer
2019 · voiptimecloud.com · its alternatives →
3
Dialpad▲5
VOIP phone service for business
2016 · dialpad.com · its alternatives →
4
magicJackGO▲60
Like Vonage, but about 1/10th the price. simple VOIP.
2014 · magicjack.com · its alternatives →
5
NextOS▲104
Omnichannel business communication: CRM, Chat, Surveys, VoIP
2018 · nextiva.com · its alternatives →
6
VoIP Business▲2
Small Business VoIP
2021 · voipbusiness.com · its alternatives →
7
Regular.io▲68
SaaS Integration as a Service
2014 · its alternatives →
8
I built an international calling platform for the past 6 months▲38
I built Voklit because I was tired of paying $2+/min to call banks and airlines overseas. Needed a US number that works anywhere with actual affordable rates. It's a web-based VoIP service (mobile apps coming soon). You get a real US phone number, pay-as-you-go minutes on top of a small subscription that covers the infrastructure. Bootstrapped, solo founder. Built with [Go/Next.js/ and Websockets] if anyone's curious about the stack. Adding more countries soon. Happy to answer questions or hear feedback.
Jan 2026 · voklit.com · its alternatives →
9
Voxbi▲79
The cloud telephony solution that adapts to your business
2023 · its alternatives →
10
DodoVoice▲19
The reliable Skype alternative for your communication needs
2025 · dodovoice.com · its alternatives →
11DB
DNS-based alternative to the web for structured data▲59
2020 · num.uk · its alternatives →
12FS
Free softswitch for Windows▲14
Free VoIP Server for Windows OS
2016 · mizu-voip.com · its alternatives →
13WH
WebRTC helped me to launch my startup after 2 years of waiting.▲42
Hi All ,I been working on my idea , A Voice CRM solution for 2 years.When I started brainstorming the idea the only option I have to receive phone calls thru browser was a flash widget or use 3rd party providers like Twilio or Phono . Thanks to WebRTC we now integrated our VoIP services to receive and make calls directly thru browser .Please have a look and give us your feedback .Thanks Voz.io Team .
2013 · voz.io · its alternatives →
14
Qara VoIP App on IOS▲65
Your business phone system on-the-go
2023 · qara.app · its alternatives →
15
VoIPstudio▲2
Cloud VoIP solution for businesses from 1-500 employees.
2022 · voipstudio.com · its alternatives →
16
TeleCMI▲64
Domestic & global cloud phone system for novelty business
2023 · telecmi.com · its alternatives →
17
Bigly Sales▲66
With our free CRM, work less, earn more
2023 · biglysales.com · its alternatives →
18
sipharmony▲3
Affordable cloud VoIP for small businesses and residential!
2021 · sipharmony.com · its alternatives →
19
Company contact data API (UK Launch)▲18
Free, unlimited and unrestricted access – 23m data points
2021 · num.uk · its alternatives →
20
VoIP Call Center▲3
SaaS, Sales Tools, CRM, Open Source, Developer Tools
Mar 2026 · its alternatives →
21
NuPhi▲6
World's first end-to-end EXIM management SaaS
2021 · nuphi.trade · its alternatives →
22
top business directory▲1
business
2020 · thetoponline.com · its alternatives →
23
DialLink ▲26
Business calls, messages & AI voice agents in one platform
2025 · diallink.com · its alternatives →
24
Ringflow▲6
Cloud-based VoIP and Contact Center Solutions.
2024 · ringflow-com.github.io · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →