Best Free Unified Communications Software of 2025

RingCentral RingEX, a powerful cloud-based telephone system, helps optimize your business communication. RingCentral RingEX provides enterprise-grade communication tools, including voice, fax and text, as well as BYOD (bring your own device) capability. This allows you to work wherever and however you choose. RingCentral RingEX's core features include auto-recording and conferencing as well as unlimited long-distance calling and local calls. RingCentral RingEX can be customized to suit your needs by configuring call management features such as call forwarding, message alerts and missed-call notifications.

3CX is an open-standards, software-based IP PBX that provides complete Unified Communications right out of the box. 3CX is suitable for all industries and sizes. It can provide everything you need, from mobility and status to advanced call center features and more, at a fraction the cost. 3CX is ideal for remote companies and includes mobile apps, video conference, and website live chat. The installation, management, and maintenance of the PBX are so simple that you can easily manage it yourself, on your own appliance, server, or on a cloud-based platform. You can also choose to have it hosted on 3CX for an easy solution.

Brosix Instant Messenger (IM) enables companies to enhance and secure their internal communication via dedicated team networks. It offers a comprehensive suite of tools designed to boost team productivity within a single user-friendly and fully encrypted platform, featuring capabilities like file transfers, screen sharing, private and group chats, virtual whiteboards, and more. By utilizing Brosix IM’s private networks, organizations can foster better collaboration and efficiency among their teams, minimize operational costs, and ensure the confidentiality of their data. Setting up these team networks is a quick process that takes only a few minutes, allowing businesses to start enjoying the advantages of an all-in-one communication solution that is easily manageable. Moreover, the platform's focus on encryption assures users that their conversations and shared information remain secure at all times.

Digital Samba is a video conferencing solution that uses innovative features and technology to fulfil its customers' communication and collaboration needs. Clients use the platform for daily business meetings, webinars, online learning, application development, etc. The platform is the result of 19 years of experience at the forefront of the video conferencing space. This experience has helped create a feature-rich platform ready to adapt to changing technologies and workplace practices. Digital Samba's customers include world-renowned companies like McDonald's, Deloitte, Ferrari, Raiffeisen Centrobank, American Express and more. Thanks to the Digital Samba Embedded SDK, you’ll be able to integrate and control a full video conference experience inside your application by simply copy-pasting a few lines of JavaScript code.

Slack is a cloud-based platform that enhances project collaboration and team communication, specifically tailored to foster smooth interaction within organizations. With a robust suite of tools and services unified in one platform, Slack allows for private channels that encourage engagement among smaller groups, direct messaging options for sending information straight to coworkers, and public channels that invite discussions among members from different organizations. Accessible on various operating systems including Mac, Windows, Android, and iOS, Slack boasts a wide array of features such as chat capabilities, file sharing, collaborative workspaces, instant notifications, two-way audio and video calls, screen sharing, document imaging, and activity tracking, among other functionalities. Additionally, its user-friendly interface and versatile integration options make it a popular choice for teams seeking to enhance their productivity and communication effectiveness.

Your team's communication center. Team messaging, video+audio calling and productivity apps are just a few of the many features available to you. Flock makes collaboration and communication easy. All the features you need in one simple-to-use tool. Flock's all in one messaging, video conferencing and productivity tool makes it easier to work smarter. Flock's powerful, built-in video conference feature will keep you connected. You can have up to 20 people meet in real time. Screen sharing is possible with just one click. Flock's powerful search allows you to find any file, message, or link shared by others. To optimize project management, you can use our powerful suite business collaboration tools, including Shared To-Dos and Polls, Note Sharing, Polls, Note Sharing, Reminders and more. Flock has over 50 integrations to tools such as Twitter, Googe Drive and Todoist. Flock allows you to add your apps with just one click. You won't need to switch between tools to get the job done.

A platform where teams seamlessly collaborate to achieve their goals. With a plethora of tools at your disposal, you and your colleagues can work together from any location. Uniting everyone in your organization is essential for empowerment and transformation, featuring familiar functionalities such as groups, messaging, and video conferencing. Over 30,000 organizations worldwide, regardless of size, have successfully connected their teams using Workplace. Now it’s your opportunity to join them. Our real-time messaging capability allows for one-on-one or group conversations, enabling you to communicate with anyone in your organization through text, images, voice, and video. Should someone post in a different language, Workplace instantaneously translates it, facilitating your journey towards becoming a truly global enterprise. Groups serve as dedicated spaces for sharing updates, files, and feedback, functioning like enhanced email threads that are more organized and easier to navigate. Additionally, the Org Chart feature enables you to quickly locate coworkers and team details, ensuring that you spend less time searching for assistance and more time accomplishing your tasks efficiently. This interconnected approach fosters a vibrant workplace culture that encourages collaboration and innovation.

EveryDay Voip combines phone, video, meetings, and messaging into one reliable PBX system. Our service is designed to keep you connected to your clients from anywhere in the world. It also gives you the freedom to run your business as you please. You can install our apps on your tablet, smartphone, or desktop and enjoy HD-quality web and audio with one-click functionality. Collaboration is made easy with unlimited SMS, team messaging, and more. Next-generation voice services are scalable, secure, and easy to use. EveryDay Voip is a leader in international carrier services. EveryDay Voip offers the best international wholesale solutions to all communication service providers worldwide, with over 1000+ interconnects that range from PTT's and Mobile Network Operators to VoIP suppliers in-country. To ensure proactive dominance, bring to the table win-win survival strategies.

Yeastar Linkus Unified Communications app, which is compatible with both cloud PBX and on-premises PBX, gives you easy access to enhanced call efficiency and enterprise-grade telephony features across any device at your disposal. It also allows you remote working agility with softphone and instant messaging, file sharing, CRM integration, and CRM integration.

Introducing an unparalleled UCaaS solution crafted to drive the success of Service Providers. Stand out in the competitive landscape by utilizing a fully customizable white label offering that enhances your brand identity. KAZOO, the comprehensive UC platform from 2600Hz, provides the adaptability essential for delivering an exceptional communication experience. Equip your clients with a communication solution that fosters their achievements. With over 300 APIs at your disposal, you can tailor a solution that empowers your customers to enhance their business operations. Customizing your offering under your own brand allows you to strengthen your market presence. The low initial investment facilitates a swift launch while ensuring you remain price competitive. With robust reliability and geo-redundancy features, your clients will experience uninterrupted service. The mobile-ready functionality allows your customers to conduct business anytime and anywhere. KAZOO operates as a multi-tenant platform, giving you the opportunity to diversify your sales strategies. You can opt to onboard resellers, sell directly, or implement an agent model to maximize your reach. This flexibility can significantly enhance your operational capabilities and service offerings.

Viirtue's white label VoIP and UCaaS software transforms white-label VoIP and UCaaS into a powerful video collaboration tool. It also offers mobile capabilities and a best in class streamlined quote-to cash solution. This allows you to compete with big players and scale your business with modern tools, excellent support, and great tools. You can rebrand our entire suite of white-label communication tools to your company, making it a one-stop shop for technology solutions. Get a demo to see how our industry-leading platform and quote-to-cash software can make it easy to run a unified communications company. Fair pricing that charges only for the number of seats used, and not for multiple users using multiple devices. Our all-in-one, quote-to-cash software, as well as our reseller dashboard, is a turnkey tool that supports your brand platform and helps you capture and win more business.

Whelp is an AI-based cloud service that provides faster and more personalized customer support. BPOs, call centers, outbound and inbound sales teams for airlines, healthcare, education and banking. All channels can be reached from one screen. Provide personalized support. Establish lasting customer relationships. Our chatbot can automate the capture of customer information when you aren't online. Use live chat to connect with valuable leads via your website. Engage in meaningful conversations in real-time with customers to increase loyalty. You can pick up where the customer left off, no need to repeat or recap. Your customers can access outstanding service wherever they are: voice, chat, SMS, email, and WhatsApp all from one screen. No plug-ins or add-ons are required. Your customers will be helped quickly by personalized and prompt support

Synkato serves as the all-in-one unified communications (UCaaS) platform tailored for contemporary enterprises. It enables seamless collaboration by merging various communication methods and tools into a single interface. With Synkato, businesses gain access to a cloud-based phone system equipped with a versatile softphone, allowing teams to communicate via calls and chats from virtually anywhere. This solution not only boosts productivity but also fosters better interactions between team members and clients. The integrated Chat+ feature enhances user engagement by facilitating conversations in public groups, among teams, and through private messages. Additionally, it allows businesses to establish workflows for customer interactions via text messaging. Synkato streamlines operations by offering video calling capabilities, enabling users to effortlessly schedule meetings or initiate spontaneous video chats with just a few clicks, accommodating unlimited participants. Furthermore, the platform emphasizes customer satisfaction by providing a range of advanced contact center functionalities designed to elevate the overall experience for clients. By bringing together all these features, Synkato ensures that businesses can operate more efficiently while prioritizing their customers' needs.

Bluepulse provides a unique experience that isn't available anywhere else, offering you the ability to gather vital insights at the most critical moments. By fostering open lines of communication, you can better evaluate the feedback you receive and monitor your improvement journey alongside essential success metrics for informed decision-making. Imagine having all the tools necessary to create meaningful relationships with your team accessible in one convenient location. Forget the hassle of navigating through multiple applications just to retrieve contact information; Bluepulse enables seamless, real-time connections with everyone in your network. Rather than waiting for scheduled check-ins, leverage Bluepulse's continuous listening capabilities, which facilitate dynamic exchanges of feedback and valuable information. This ensures you are promptly notified about opportunities for improvement or the resolution of emerging issues. With Bluepulse, you can adopt a proactive stance rather than a reactive one, ensuring that no one and nothing is overlooked. Additionally, this innovative platform encourages a culture of engagement and responsiveness, allowing your organization to thrive in an ever-changing environment.

SHOELACE Unified Communications delivers a state-of-the-art HPBX system that seamlessly integrates with your existing network and personnel, ensuring exceptional HD call clarity, video conferencing capabilities, and mobile applications that connect your business with clients. Enjoy a wealth of features including voicemail-to-email, mobility options, auto attendant services, and hold music, all within a comprehensive platform. There are no expensive initial investments or the need for additional hardware, nor are there complex setup processes to navigate. Essentially, businesses that adopt hosted solutions can rest easy knowing they will not face concerns related to software updates or hardware upkeep. This system allows for the connection of multiple sites, as well as remote and mobile employees, into a unified platform that promotes effortless communication throughout your organization. Moreover, you can access cost-effective communication solutions regardless of whether your office is situated indoors or outdoors, ensuring flexibility and accessibility for all your business needs. By choosing SHOELACE, you position your company for greater connectivity and efficiency.

The system supports multi-tenancy, allowing clients to add an unlimited number of tenants and extensions within a single instance. Each client receives a tailored application interface to suit their specific requirements. A robust multi-authorization system enables the creation and management of admins, users, and resellers seamlessly. With a globally-recognized REST API, all call functions can be executed quickly and efficiently. You have the flexibility to run your services on one or multiple servers, adding or removing them as needed without facing any service interruptions when powering off a server. The integration with The Hub, along with customer portals and top CRM systems, facilitates faster and more reliable communications. Our dedicated support team is readily available during business hours to provide complimentary technical assistance in accordance with our SLA. The comprehensive service we provide is meticulously tailored to address the unique needs of your business. Additionally, you can monitor all inbound and outbound calls, whether they were answered or unanswered, along with other valuable metrics. This setup empowers teams to communicate effectively and collaborate seamlessly, ultimately enhancing overall work efficiency and productivity across the organization.

Experience a virtual office that enables you to connect, collaborate, and engage with your team from any location. Our mission is to provide businesses with an exceptional virtual workspace that eliminates the feelings of isolation and disconnection often associated with remote work. With Cubo, you can access every facet of office operations from wherever you are, seamlessly uniting your team no matter the distance. No longer remain uninformed; Cubo offers immediate insights into your team's real-time status, including availability, one-on-one discussions, group meetings, and social breaks, so you can see what your colleagues are engaging in at any moment. Say goodbye to lengthy text exchanges and endless email threads—simply double-click on a teammate's profile to bring them onto your screen for a more personal and effective conversation. We've all faced the frustration of juggling various chat and video conferencing tools, but our Meeting Hub provides an integrated communication solution specifically crafted to eliminate the chaos of meetings. Embrace a smoother and more connected way to collaborate with your colleagues.

Enhance your profitability using UCaaS business solutions that offer automated provisioning, management, and invoicing through a top-tier partner success program. Reduce operational costs by leveraging a unified platform that streamlines these processes efficiently. Your business and customers will benefit from integrated toll fraud protection and customizable call limit settings, ensuring security and peace of mind. Enjoy a seamless delivery and installation experience for all supported industry devices, effectively replacing your traditional PBX system. Make and receive calls directly from the public network via our intuitive app, facilitating a smooth transition to a cloud-based Unified Communications solution designed for a distributed workforce. This approach promotes optimal collaboration practices and delivers exceptional customer experiences. Work remotely with ease, utilizing ad-hoc collaboration spaces and straightforward file sharing on multiple devices. Additionally, check live presence and effortlessly transfer calls using our user-friendly one-click web reception application, enhancing overall communication efficiency. With these cutting-edge features, your organization will thrive in a competitive environment.

Dream Broker #One offers a comprehensive communication platform for organizations to handle all their interactions, from meetings and calls to messaging and file sharing, in one place. The software is built with robust security and GDPR compliance in mind, ensuring that all data is processed and stored within the European Economic Area. With user-friendly features and seamless integration across devices, Dream Broker #One improves productivity and collaboration while ensuring the highest security standards. It’s an ideal solution for businesses looking for an efficient, all-in-one communication and leadership tool with military-grade reliability.

For affordable and user-friendly phone system options tailored to your business, ClarityTel is your go-to choice. Renowned for offering sophisticated cloud-based phone systems, ClarityTel enables organizations to fulfill their communication requirements at a significantly lower cost compared to conventional landlines. Experience the future of VoIP technology with ClarityTel, designed to accommodate your specific needs. Our VoIP solutions are tailored to suit businesses of all sizes, allowing you to save as much as 60 percent and enjoy transparent savings. We provide a comprehensive business VoIP package for one low month-to-month fee, free from hidden charges. This commercial-grade VoIP service offers advanced features such as voicemail delivered via email, conference calling, live answering, and automated attendants, making it an ideal choice for small, medium, large, and enterprise-level businesses. With ClarityTel, you gain not only cost savings but also a robust communication platform that enhances your business operations.

BCM One delivers a wide range of managed technology solutions that assist companies in simplifying their networks, making communication, collaboration, and connectivity both straightforward and budget-friendly. The inherent complexity of business networks can become even more challenging when there are multiple locations, various vendors, differing work methods, and changing technological requirements, leading to potential chaos in infrastructure management. In the absence of adequate transparency, oversight, and specialized knowledge, organizations often find themselves dependent on outdated systems, creating unsustainable networks, and incurring unnecessary expenses for services that do not align with their needs. BCM One is dedicated to tailoring your technology solutions to fit your current networking requirements while ensuring you have the capacity to scale as your business expands. While your network might be complicated, it can still be manageable with the right approach, and BCM One is here to guide you through the process. By optimizing your network, BCM One ensures that it effectively supports your collaboration and communication needs both now and as your company continues to develop. Ultimately, their expertise can transform your network challenges into streamlined solutions.

SureTel adopts a proactive strategy in catering to our business telephone clients. Our dedicated VoIP phone specialists are always ready to engage with you regarding your unique needs or provide a live demonstration of our platform, which we are confident will leave you impressed. Feel free to reach out to our business VoIP experts by calling 833-SURETEL (787-3835) or interacting with our online representative via the chat option on our website. We firmly believe in transparent pricing, ensuring that all features are included in our services without hidden fees. If you're concerned about initial expenses, don’t worry; you can rent phones from us and we will handle all aspects of the setup and management! Our platform is designed to accommodate any custom features you may require. Explore our Idea Portal to see the exciting developments we have in progress. With SureTel, you can trust that we’re here to support you every step of the way.

Customers have moved beyond simply wanting an omnichannel experience; they now anticipate it as the standard. Our cloud-native contact center solution ensures that all communication channels are integrated within a single interaction, allowing agents to deliver superior service more efficiently. With features like effortless switching, transfers, and real-time coaching, agents can respond promptly to customer needs. Customers benefit from reduced wait times, fewer handoffs, and no more interruptions, eliminating the need for them to take notes during calls. This is the ideal standard for customer service. We aim to empower agents while equipping customers with the self-service options they crave. By incorporating Machine Learning, our omnichannel contact center platform elevates the customer experience, allowing clients to assist themselves while enabling agents to tackle more intricate inquiries. Our intelligent bot utilizes sentiment analysis and Natural Language Understanding, seamlessly linking to CRM systems and other resources to provide a truly unified and smooth customer experience. Ultimately, this approach not only enhances customer satisfaction but also optimizes agent performance.

Collaborate seamlessly with anyone in mere seconds. Engage in conversations, initiate voice and video calls, share files, organize tasks, and take notes, all within a single platform. Enjoy a generous 100 GB of free storage! The essential tools for collaborating with colleagues and clients are right at your fingertips. Utilize both private and public Channels to facilitate discussions, manage and categorize files, monitor task progress, and maintain a shared Wiki for notes. Work together effortlessly from any location, thanks to lightning-fast messaging available on web, desktop, and mobile devices. Be informed immediately when your messages are seen by team members and clients with read receipts. Private Channels provide a safe and convenient way to work with clients and team members, allowing you to create as many as you need in AirSend while inviting participants via their email addresses. Additionally, you can establish your own online communities using AirSend’s public Channels, creating numerous public Channels and sharing links for easy access and engagement. As a result, collaboration becomes not only efficient but also enjoyable.

OmniJoin simplifies the process of hosting, managing, and participating in online meetings. Elevate your collaborative efforts with state-of-the-art audio and video technology, alongside an intuitive live sharing environment that features an extensive array of productivity-boosting tools. By utilizing these capabilities during virtual meetings, teams can enhance their collaboration, expedite project timelines, and reduce the need for expensive, unnecessary travel. Both large healthcare organizations and individual practitioners are leveraging the cloud-based telemedicine solution provided by OmniJoin to expand their telehealth services and maintain personal connections with patients from nearly any location. Moreover, OmniJoin adheres to HIPAA standards under the security rule, ensuring that remote care delivery, online meetings, and training sessions can be conducted smoothly in high-definition video. This compliance not only facilitates secure interactions but also reinforces trust in telehealth practices.