Compare the Top Free UCaaS Platforms as of July 2026

What are Free UCaaS Platforms?

Unified Communications as a Service (UCaaS) platforms deliver cloud-based communication and collaboration tools that enable organizations to connect employees, customers, and partners through a single integrated solution. These platforms combine voice calling, video conferencing, team messaging, SMS, file sharing, presence, voicemail, and collaboration capabilities while eliminating the need for on-premises communications infrastructure. UCaaS solutions often include enterprise telephony, mobile and desktop applications, call routing, meeting management, contact synchronization, and administrative controls to support hybrid and remote workforces. Many platforms integrate with CRM systems, contact center software, productivity suites, identity providers, and business applications to streamline communications and workflows. By consolidating business communications into a scalable cloud service, UCaaS platforms help organizations improve collaboration, increase productivity, reduce IT complexity, and lower communication costs. Compare and read user reviews of the best Free UCaaS platforms currently available using the table below. This list is updated regularly.

  • 1
    Zoom

    Zoom

    Zoom Communications

    Enterprise video conferencing with real-time messaging & content sharing with Zoom Meetings & Chat. Simplified video conferencing and messaging across any device. Enable quick adoption with meeting capabilities that make it easy to start, join, and collaborate across any device. Zoom Meetings syncs with your calendar system and delivers streamlined enterprise-grade video conferencing from desktop and mobile. Enable internal and external communications, all-hands meetings, and trainings through one platform. Bring HD video and audio to your meetings with support for up to 1000 video participants and 49 videos on screen. Multiple participants can share their screens simultaneously and co-annotate for a more interactive meeting. End-to-end encryption for all meetings, role-based user security, password protection, waiting rooms, and place attendee on hold. Record your meetings locally or to the cloud, with searchable transcripts. Zoom also offers a HIPAA compliant plan for healthcare.
    Leader badge
    Starting Price: $14.99 per user per month
  • 2
    Microsoft Teams
    Solving today's complex business problems takes teams of engaged people working together. We’ve built an online guide to teach you and your team the secrets of successful teamwork. When you have a place to create and make decisions as a team, there’s no limit to what you can achieve. Teams brings everything together in a shared workspace where you can chat, meet, share files, and work with business apps. Get your team on the same page with group chat, online meetings, calling, and web conferencing. Collaborate on files with built-in Microsoft 365 (formerly Office 365) apps like Word, Excel, PowerPoint, and SharePoint. Add in your favorite Microsoft apps and third-party services to keep the business moving forward. Get end-to-end security, administrative control, and compliance—all powered by Microsoft 365. Teams is designed for groups of all kinds. Get started with the free, no-commitments version. You can also get Teams as part of the best-in-class suite of productivity tools.
    Leader badge
    Starting Price: $12.50 per user per month
  • 3
    Google Hangouts
    Use Hangouts to keep in touch. Message contacts, start free video or voice calls, and hop on a conversation with one person or a group. Include all your contacts with group chats for up to 150 people. Say more with status messages, photos, videos, maps, emoji, stickers, and animated GIFs. Turn any conversation into a free group video call with up to 10 contacts. Call any phone number in the world (and all calls to other Hangouts users are free!). Connect your Google Voice account for phone calling, SMS texting, and voicemail integration. Keep in touch with contacts across Android, iOS, and the web, and sync chats across all your devices. Message contacts anytime, even if they’re offline.
  • 4
    RingCentral RingEX
    RingCentral RingEX is a powerful cloud-based phone system that helps optimize your business communications. Providing enterprise-grade business communication tools for voice, fax, text, and video as well as bring your own device to work (BYOD) capability, RingCentral RingEX enables you to work where you want and how you want. Core features of RingCentral RingEX include auto-recording, conferencing, and unlimited long-distance and local calling. RingCentral RingEX's call management features can also be customized by configuring call forwarding, answering rules, message alerts, and missed-call notifications.
    Leader badge
    Starting Price: $19.99/month/user
  • 5
    Zello

    Zello

    Zello

    Push-to-Talk Mobile App. Talk in real-time to individuals and groups anywhere in the world. Hear messages in real time from all contacts and channels. Focused on one contact or group. Other messages go to History. Don’t want to be interrupted. Messages go to History. Messages go to History and can be replayed up to 7 days later. Zello stores recent and missed messages and alerts on your device. Use the History button, which is on every screen, to retrieve and replay anything, anytime. Send alerts to individuals or groups. Send alerts, with optional text messages attached. Recipients get a sonic or vibrating notification until they respond or clear the alert. Display your most recent messages and alerts from contacts and channels. Tapping on a recent brings up Talk screen.
    Starting Price: $6.80 per user per month
  • 6
    Yeastar Linkus UC Softphone
    Coordinated with on-premises and cloud PBX, Yeastar Linkus Unified Communications App provides you with easy access to enhanced call efficiency with enterprise-grade telephony features across all devices at your choice, and gives you remote working agility with softphone, instant messaging, presence, file sharing and CRM integration, etc.
  • 7
    2600Hz

    2600Hz

    2600Hz

    An unrivaled UCaaS solution designed to empower Service Provider success. Differentiate your brand and offering in the market with a completely customizable, white label solution. KAZOO is 2600Hz's turnkey UC platform, offering the flexibility you need to provide a superior communication experience. Give your customers a communication solution that will make them successful. 300+ APIs enable you to customize a solution to help your customers do business better. White label your solution to build and maintain your brand recognition in the market. Low upfront costs let you get started quicker and stay cost competitive. Reliability and geo-redundancy ensures your customers are always online. Mobile ready lets your customers get business done when and where they need to. KAZOO is a multi-tenant platform and gives you the ability to open your sales channels. Bring on resellers, go direct, or have an agent model.
    Starting Price: $3.50/month
  • 8
    FluentStream

    FluentStream

    FluentStream

    Do you want a business phone service that works without costing a fortune in setup or monthly fees? Wouldn't it be nice to focus on your customers instead of spending hours on hold with your provider every time you want to make a small change? Welcome to FluentStream! We're committed to being the easiest business communication system to do business with. We offer no-contract plans with 24/7 client success for every account. Not only will we hold your hand throughout the entire onboarding process, but we'll do everything on your behalf (including the hassle of calling your internet provider). We know how complicated phone setup can be, and we're more than happy to do the heavy lifting so you don't have to. It's all part of being the easiest business to do business with.
    Starting Price: $20.00/month/user
  • 9
    ClarityTel

    ClarityTel

    ClarityTel

    When you're looking for cost-effective, easy-to-use phone system solutions for your business, turn to ClarityTel. A trusted provider of advanced phone systems in the cloud, ClarityTel helps organizations meet their communication needs at a fraction of the cost of a traditional landline. Get the next generation of VoIP phones with ClarityTel. Technology that fits your needs. Our business VoIP solutions are customized for clients of any size. Save up to 60 percent for clear savings. We give you all the business VoIP solution you need for one low month-to-month rate, with no additional fees. Business VoIP, which is a commercial-class version of residential VoIP services, provides small, medium, large and enterprise-sized businesses with advanced features and functionality such as voicemail with email delivery, conference calling, live answering and automated attendants.
    Starting Price: $19.99 per month
  • 10
    BCM One

    BCM One

    BCM One

    BCM One provides comprehensive, managed technology solutions to help businesses streamline their network to make communications, collaboration and connectivity simple and cost-effective. Business networks are complex by nature. Add in multiple locations and vendors, different ways of working, and evolving technology needs and the infrastructure can quickly get out of control. Without proper transparency, oversight, and expertise, companies end up relying on insufficient legacy systems, building out unsustainable networks, and overspending on services they don’t need. BCM One can help you right-fit your technology to meet your current network needs and scale as you grow. Your network may be complex, but it doesn’t have to be unmanageable. Let BCM One show you how. BCM One will optimize your network to meet all of your collaboration and communications needs now and as your business grows.
  • 11
    Output Messenger

    Output Messenger

    Srimax Software Technology

    The fast, secure & private instant lan messenger is designed specifically for keeping remote employees and multiple offices synchronous. Take the advantage of Output Messenger to Give your team the freedom to chat, talk, share and interact together from anywhere, on any device. Especially this Ideal Messenger comes with API to integrate easily with other 3rd party Apps. Host in your own server & meet all your organisation's security needs. Your Privacy matters a lot to us. Industry-standard SSL and TLS protect your conversation from outside the network. Import user accounts from a global catalog and creates local users on server. Record Voice messages directly from the Output messenger chat window & send to your colleagues in a single click. Capture your desktop screen, edit and share instantly with your coworkers.
    Starting Price: $14.00/one-time/user
  • 12
    VIPole

    VIPole

    VIPole

    Message editing and deleting, auto-delete messages, chat window clearing and complete history wiping. Disconnecting devices remotely, fake secret phrase, auto lock and auto logout on inactivity. Hidden and blacklist contacts, individual visibility settings for contacts, configurable contact authorization. Assign tasks to yourself and colleagues, track the progress. Store and organize passwords, securely share them with contacts. Foster collaboration by setting goals for the team and monitoring the solved issues.
    Starting Price: $5.99 per month
  • Previous
  • You're on page 1
  • Next
Auth0 Logo