Free and open first
Best Unified Communications Software in 2026
Teams choosing communications software can compare the ways each option handles calls, messages and meetings. Check business calling and business SMS alongside team messaging and video meetings; call recording and an auto attendant may also be relevant to your organization’s workflows. Meeting participant limits add context for video use, while free-plan availability and paid-from pricing help frame cost. Microsoft Teams, 3CX and Webex App are among the options shown. Weigh the listed capabilities against how your team communicates, from handling business calls to coordinating by message or meeting over video.
- 28 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
- 2
Alcatel-Lucent Enterprise Rainbow
Free plan AndroidAPIiPhone+3Rainbow combines business communications, PBX connectivity, and developer integration tools in one platform.
- 3
- 4
Microsoft Teams
by Microsoft TeamsFree plan AndroidiPhoneLinux+3Teams covers messaging, calls, and meetings across platforms, with a free plan and business options that list expanded meeting and support features.
- 5
Rainbow
Free plan AndroidAPIiPhone+3Rainbow brings messaging, collaboration, and telephony together, with several deployment options and plans. Check the plan’s user, storage, and meeting limits against your needs.
- 6
eztalks
Free plan Webeztalks brings messaging, fax, and calling tools together on the web, with a no-subscription-cost pay-as-you-go option. Check message, voice, and number charges against your expected usage.
- 7
- 8
Zoom Workplace
by Zoom WorkplaceFree plan AndroidExtensioniPhone+4Zoom Workplace offers meeting and collaboration features across a broad set of platforms, with a free one-user Basic plan and a paid Pro option.
- 9
Dialpad Connect
by Dialpad ConnectFree trial AndroidiPhoneMac+2Dialpad Connect combines business calling with chat, meetings and AI-generated call notes across devices. Review the plan details and request pricing as needed, since no plan prices are listed.
- 10
- 11
Broadvoice Cloud PBX
by Broadvoice Cloud PBXPaid AndroidiPhoneMac+2Choose Broadvoice Cloud PBX if your team needs managed business calling, flexible call handling, and options for mobile and remote users.
- 12
- 13
GoTo Connect
Paid AndroidiPhoneMac+2GoTo Connect spans business phone features, customer messaging, and contact center tools.
- 14
Intermedia Unite
by Intermedia UnitePaid AndroidiPhoneMac+2Intermedia Unite combines broad communications features with business integrations, security controls, and two main plan levels.
- 15
Mitel One
Paid AndroidAPIExtension+4Mitel One combines calling and chat, with workspace and attachment features in Entry and recorded meetings in higher plans. Request pricing and compare meeting limits before choosing a tier.
- 16
Ooma Office
by Ooma OfficePaid WebWindowsMac+2Ooma Office combines business calling features with desktop and mobile access across five platforms.
- 17
- 18
Yeastar P-Series Cloud Edition
by Yeastar P-Series Cloud EditionFree trial AndroidAPIExtension+4Yeastar P-Series Cloud Edition covers calling, contact-center communication, integrations, and multiple client types in one service.
- 19
net2phone UNITE
by net2phone UNITEPaid AndroidiPhoneWebUNITE brings business calling and other communications into one platform, with plans that add international calling, expanded video, and AI features.
- 20
Sangoma Communications Platform
by Sangoma Communications PlatformPaid AndroidAPIiPhone+4Sangoma Communications Platform covers communications, meetings, contact-center work and customer outreach across several deployment models.
- 21
UNIVERGE BLUE CONNECT
by UNIVERGE BLUE CONNECTPaid AndroidiPhoneMac+2Choose CONNECT if you want a cloud service combining business calling with chat, meetings and file collaboration across desktop and mobile platforms.
- 22
Vonage Business Communications
Paid WebWindowsMac+2Vonage Business Communications combines business calling features with desktop and mobile access.
- 23
- 24
- 25
Zultys MX
Paid AndroidiPhoneLinux+4Zultys MX combines phone and unified communications features with multiple deployment choices and model capacities. Pricing and feature availability depend on configuration and package.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
More in Communication
- Video Conferencing Software43
- Video Interview Software30
- Video Messaging Software29
- Virtual Event Platforms47
- Virtual Meeting Room Software22
- Virtual Receptionist Services36
- Voicebot Software27
- Voice Broadcasting Software26
- Webinar Software61
- WhatsApp Business API Providers33
- Audience Response Systems118
- Audio Conferencing Software26