Free and open first

Best Voip Software in 2026

27 apps
Research read 10 Oct 2026
How the order is worked out

1

3CX
by 3CX
Free plan WebWindowsLinux+3

7.7 Free plan · paid from $300/yr Visit site
2

CallHippo

Free plan AndroidExtensioniPhone+3

Choose CallHippo for a business phone system with multiple numbers, routing, voicemail transcription and CRM connections.

7.6 From $18/user/mo (annual) · 10-day trial Visit site
3

CloudTalk AI Voice Agent
by CloudTalk AI Voice Agent
Free plan AndroidAPIiPhone+4

CloudTalk pairs automated call handling with escalation to human agents and a range of integrations.

7.6 From $99/mo · 14-day trial Visit site
4

Dialpad Meetings

Free plan AndroidiPhoneMac+2

Choose Dialpad Meetings if your team wants video meetings with browser or app joining, collaboration tools, and AI-generated transcripts or recaps.

7.5 Free plan Visit site
5

Freshcaller

Free plan AndroidiPhoneWeb

Freshcaller brings routing, call controls, and call intelligence into a cloud contact center, with integrations for other Freshworks products.

7.3 Free plan · paid from $15/user/mo (annual) · 14-day trial Visit site
6

Zadarma
by Zadarma
Free plan WebWindowsMac+2

Zadarma combines business calling features with web and device apps. Compare the listed plan allowances carefully, since they differ by plan.

6.9 Free plan · paid from $39/mo (annual) · 7-day trial Visit site
7

Genesys Cloud CX
by Genesys Cloud CX
Free trial AndroidAPIiPhone+4

Genesys Cloud CX offers multiple contact-center tiers, with capabilities varying from voice services to broader omnichannel and workforce features.

6.4 From $75/user/mo (annual) Visit site
8

Google Voice for business

Free trial AndroidiPhoneMac+2

Google Voice for business combines calling, routing, voicemail transcription, and administration across major platforms.

6.3 From $10/user/mo Visit site
9

JustCall Sales Dialer
by JustCall Sales Dialer
Free trial AndroidAPIExtension+4

Choose JustCall Sales Dialer if your team needs lead prioritization, multiple dialing modes, and call outcome follow-up in one sales calling tool.

6.2 From $49/user/mo (annual) · 14-day trial Visit site
10

Aircall
by Aircall
Paid WebWindowsMac+2

Choose Aircall if your business needs a calling service with routing, attendant, and voicemail transcription features across desktop and mobile platforms.

6.1 From $30/user/mo (annual) · 7-day trial Visit site
11

Nextiva
by Nextiva
Free trial AndroidAPIExtension+5

Nextiva combines business calling with messaging, meetings, and collaboration features across its plans. The listed monthly options begin at $15 a month, and there is no free plan or trial.

6.1 From $15/user/mo Visit site
12

Quo
by Quo
Free trial AndroidAPIiPhone+3

Quo combines business calling across desktop and mobile platforms with call routing and voicemail features.

6.1 From $15/user/mo (annual) · 7-day trial Visit site
13

Ringover
by Ringover
Free trial AndroidAPIExtension+5

Ringover provides business calling features across a broad set of platforms. Its entry prices come with minimum-user and annual-commitment requirements, so those terms matter when selecting a plan.

6.0 From $15/user/mo (annual) · 7-day trial Visit site
14

GoTo Connect

Paid AndroidiPhoneMac+2

GoTo Connect spans business phone features, customer messaging, and contact center tools.

5.8 Pricing on request Visit site
15

Grasshopper
by Grasshopper
Paid WebWindowsMac+2

Grasshopper offers a clear progression from one-user calling to unlimited-user plans with more numbers and extensions.

5.8 From $14/mo · 7-day trial Visit site
16

Zoom Phone
by Zoom Phone
Free trial AndroidiPhoneLinux+2

Choose Zoom Phone if you need a cloud phone system with routing tools, voicemail transcription, and connected communications across multiple platforms.

5.8 From $10/user/mo Visit site
17

KrispCall
by KrispCall
Paid AndroidExtensioniPhone+1

KrispCall combines business telephony, messaging, team alerts, and CRM integrations in one service. Its paid plans start at $12 a month billed annually, with no free plan or trial.

5.7 From $12/user/mo (annual) Visit site
18

Mitel Secure Cloud
by Mitel Secure Cloud
Paid AndroidiPhoneMac+2

Mitel Secure Cloud brings business communications and contact-center functions into a dedicated managed environment.

5.7 Pricing on request Visit site
19

Ooma Office
by Ooma Office
Paid WebWindowsMac+2

Ooma Office combines business calling features with desktop and mobile access across five platforms.

5.6 From $19.95/user/mo Visit site
20

Yeastar P-Series Cloud Edition
by Yeastar P-Series Cloud Edition
Free trial AndroidAPIExtension+4

Yeastar P-Series Cloud Edition covers calling, contact-center communication, integrations, and multiple client types in one service.

5.6 30-day trial Visit site
21

Vonage Business Communications

Paid WebWindowsMac+2

Vonage Business Communications combines business calling features with desktop and mobile access.

5.4 From $17.99/mo (annual) Visit site
22

Wildix
by Wildix
Paid WebWindowsMac+3

Choose Wildix if your organization needs business communications across desktop and mobile platforms and its listed call features fit your needs.

5.4 Pricing on request Visit site
23

Talkdesk CX Cloud

Paid Web

Talkdesk CX Cloud covers voice and digital contact center needs, with different feature sets across three editions.

5.0 From $85/user/mo Visit site
24

AT&T Office@Hand

Paid AndroidiPhoneMac+2

4.9 From $25/user/mo Visit site
25

Five9 Workforce Management

Paid Web

4.6 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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