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Top Rated Unified Communications Software with Open source

Last updated: August 2026

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225 software options

Akkadian Provisioning Manager logo
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Automation engine for Cisco UC

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Akkadian Provisioning Manager is a turnkey, automation platform designed to help medium to large enterprises streamline and manage Cisco unified communication administration through automation of provisioning, compliance, reporting, & other processes across multiple clusters, servers & applications.

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Wildix logo

The First Sales-Oriented Unified Communications Solution.

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Wildix: Unified communications platform combining voice, video, messaging and AI for businesses. 1 million+ users. 200+ integrations.

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Cytracom logo

Business phone and messaging system.

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Beautiful, easy-to-use, voice and messaging platform perfect for businesses of all sizes. Built on cloud-based technology, Cytracom delivers fully managed and hosted communications across any device. Perfect for the office, home office, or any work location. Enable productivity and collaboration.

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Ringover logo

100% cloud phone for startups and SMEs

Ringover is a 100% Cloud voice - video - chat - text and call center solution focused on team productivity and directly configurable by managers. The key: end-to-end technological control, a user-friendly interface, and support at each step.

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Slack logo

A single place for team communication and workflows

Slack is a single workspace that connects users with the people and tools they work with everyday, no matter where they are or what they do

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Missive logo

Collaborative inbox for teams

Missive is a team inbox and chat tool that helps teams to collaborate across email, SMS, WhatsApp, Twitter, and other communication channels. The inbox provides a business-first collaborative experience.

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Zoom Workplace logo

Zoom is an all-in-one collaboration platform

With Team Chat, Phone, AI Companion, and more, Zoom Workplace is the platform for your best work. With Zoom Workplace, you can share your calendar availability, connect with your team, access your work phone on any device, and more.

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Glassix logo

One inbox, countless smiles

Glassix is the AI-powered unified messaging platform that keeps your customer conversations connected across any digital channel - Instant messaging apps and SMS text, email conversations, live chat on your website or app, and social media messages. Powered by GPT-4.

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Livestorm logo

Engage your audience with better video communication

Livestorm enables powerful, yet pain-free video engagements at scale. Our end-to-end video engagement platform requires no downloads, facilitates easy collaboration while capturing actionable insights—all in one place.

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Telnyx Suite logo

All-in-one communications platform & API

Telnyx is an all-in-one communications platform which delivers voice, messaging & IP services for applications & communications companies. Telnyx enables users to integrate, manage & analyze all of their voice & messaging needs with features like elastic SIP trunking, programmable SMS, & more

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Intermedia Unite logo

All-in-one communications & collaboration tool

Award-winning cloud-based unified communications platform for small businesses. It enables users to be more productive by integrating several collaboration tools like PBX phone system, video conferencing and chat into a seamless experience. Unite is backed by J.D. Power-certified 24/7 support.

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Squaretalk logo

All-in-one contact center platform for sales automation

Squaretalk is a unified communications platform that increases lead engagement, contact rates, team performance, and personalization. Utilize calls, automated outbound campaigns, WhatsApp messaging, SMS, and email in a single interface.

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CTM logo

Conversation analytics for marketing attribution

CTM provides conversation analytics software that helps businesses track which marketing campaigns drive conversions across calls, chats, forms, and texts. The platform features AI-driven insights that analyze customer conversations to uncover preferences and behaviors, while offering workflow automation tools to streamline sales pipelines through intelligent call routing and lead management capabilities.

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Hiver logo

The agentic omnichannel customer service platform.

Hiver is the agentic omnichannel customer service platform built for teams to manage complex support with AI Agents, cross-team collaboration, workflows, and ticketing.

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Chaty logo

Platform that supports various social and messaging channels

Chaty connects businesses with customers by providing a chat application that supports various social and messaging platforms including WhatsApp, Facebook Messenger, Telegram, Line, WeChat, Snapchat, TikTok, Instagram, and Waze.

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Blink logo

Blink. And connect your people, tools and culture.

Blink delivers a modern, social digital employee experience, giving access to communication, information, workflows, surveys and tools in one easy-to-use app.

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Lime Connect logo

Live chat and customer messaging for businesses of all sizes

Lime Connect is the leading GDPR-compliant software for messaging & automation that helps businesses transform customer communication.

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Whistle Messaging logo

No. 1 Guest Messaging Platform for Hospitality

#1 Guest Messaging Platform that Integrates with Property Management Systems

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DialMyCalls logo

Mass notification solution

DialMyCalls is a mass notification solution that helps educational institutes, religious organizations, and businesses broadcast text, voice, and email messages to individuals and groups. Administrators can use the text-to-speech technology to create audio messages in multiple voices and languages.

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Pumble logo

Communication and collaboration management application

Pumble helps businesses in healthcare, software development, financial services, and other industries chat with members across departments and multiple locations. Users can create public or private channels with custom names and descriptions to collaborate on projects and exchange information.

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Dialshree logo

Cloud-based contact center solution

DialShree is a cloud-based software designed to help businesses manage customer interactions. It can be deployed on any web server or cloud platform and can be used to manage interactions across multiple channels.

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Spoke Phone logo

Great customer conversations anywhere, on any device.

Spoke Phone is the leading platform for high-value, complex, and regulated conversations. Spoke guides employees to say and collect the right things so deals move forward and customers get better experiences. Compliant calls, SMS, and WhatsApp conversations on mobile phones and desktops devices.

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Kavkom logo

Predictive dialer and telephony software for telemarketers

Kavkom Predictive Dialer is designed to help businesses automate dialing and routing of calls to live agents. The application enables supervisors to manage and optimize prospecting, sales, and recruitment campaigns, track the productivity of agents, and provide access to specific agents to view information about leads or campaigns.

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Trillian logo

Modern and secure messaging for business and healthcare

Trillian is a cloud-based solution designed to help businesses in the healthcare sector manage processes for instant messaging to improve internal communication. Trillian lets users manage group chats, sorted by teams or department, & share information about patient status, staff rotations, & more.

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VirtualPBX logo

One simple plan. Everything included.

VirtualPBX is radically simple: one plan, no contracts, at just $15/user/mo, plus real U.S.-based expert support—not a runaround.

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