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Top Rated Unified Communications Software with Open source - Page 7

Last updated: August 2026

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225 software options

8x8 Contact Center logo

One solution for every customer interaction.

8x8 Contact Center is a complete, reliable and secure solution that helps businesses boost engagement, collaboration, and operational effectiveness for customer success.

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Mattermost logo

Open source workplace messaging for web, PCs & phones

Mattermost is an open source workplace messaging system for web, PCs & phones, that supports 1-1 & group messaging, file sharing, multiple languages, & more

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Contact Center as a Service (CCaaS) logo

Unified communicate management software for contact centers

Evolve IP is a unified communication management solution designed to help contact centers of all sizes manage email, voice, and telephonic communications via a unified portal. It offers a host of features such as contact center architecture, campaign management, call routing, IVR/voice response, and interactive voice response.

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PanTerra Streams logo

AI-powered unified communications & collaboration.

Complete UCaaS platform combining business voice, video, messaging, SMS, fax, and file sharing with AI features, compliance, and 24/7 expert support.

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CxEngage logo

Video, audio & web conferencing platform

Lifesize is an audio, web & video conferencing tool which supports chat functionality, an integrated search-based directory, plus video call recording & sharing

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YOOBIC logo

The digital workplace for your frontline teams

The leading AI-powered retail operations platform helping global brands drive operational excellence and performance.

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Avaya Cloud Office logo

Unified communications and collaboration

Avaya Cloud Office is a cloud-based collaboration and unified communications solution for SMBs. The software combines calling and chat, with support for multiple devices per number and seamless switching between mobile and desk phones.

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Cisco Unified Communications Manager logo

Communication and collaboration management solution

Cisco Unified Communications Manager (formerly CallManager) helps businesses connect and collaborate with teams via IP telephony, voice & video calling, messaging, and more. The activation code onboarding functionality lets users create phone records without a phone’s MAC address.

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Comm-unity logo

Business VoIP software and phone systems

Comm-unity by NetFortris is a business VoIP and unified communications solution with both pure cloud-hosted and hybrid options, and offers users native iOS and Android apps

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Acefone logo

VoIP Phone Service trusted by modern businesses

No matter your business communication requirement, Acefone has you covered. We support unlimited calling and provide bespoke cloud telephony solutions with powerful integrations—these are used by organizations of all sizes to simplify their team collaboration. Start your 14-day FREE trial today.

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Plivo logo

API-based Voice and SMS platform for businesses of all sizes

Plivo is an API-based voice & SMS developer platform & global carrier service provider for businesses of all sizes wishing to leverage cloud communications. Customers can access versatile HTTP APIs for building voice & SMS capabilities into any web or mobile app using any web standard language.

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MangoApps logo

Bring your frontline and office teams together

MangoApps is a unified communications platform that serves as a bridge between desk and deskless workers.

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Bria logo

VoIP communication and collaboration management solution

Bria is a cloud-based and on-premise VoIP solution that helps businesses manage communication & collaboration via messaging, file sharing, video conferencing & more. The white-label capabilities help organizations design a personalized softphone using custom logos, themes, colors, and configuration.

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Pascom Cloud logo

We upgrade business communications

Upgrade your business communications with the pascom cloud phone system.

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net2phone logo

Cloud-based PBX and business communication management tool

net2phone is a cloud-based PBX software that provides businesses with tools to manage and improve customer interactions across various channels. Supervisors can use the dashboard to track the extension numbers of team members, access details about their devices, and configure call routing flows according to requirements.

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Avaya UCaaS logo

Unified communications platform

Avaya UCaaS (formerly Avaya Aura Contact Center) is a unified communications platform businesses of all sizes across a range of industries. The solution enables flexible hybrid working for agents at home or in the office, and combines Avaya Cloud Office, Avaya Spaces, and Avaya Enterprise Cloud.

Read more about Avaya UCaaS

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CloudCall logo

Advanced, cloud-based computer telephony integration

CloudCall powers smarter conversations for CRM-driven teams in staffing and recruiting, professional services, customer service, call center, and more -- across the globe.

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GoTo Connect logo

The first-ever truly unified voice and video solution.

GoToConnect combines the power and reliability of Jive's cloud VoIP phone systems with GoToMeeting's web, audio and video conferencing into one simple, reliable and flexible solution. Users can meet, talk, chat, text and collaborate seamlessly via web browser, desktop application, or desk phone.

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Rocket.Chat logo

Bring together messaging, voice, video, critical apps, and A

Move away from messy email threads and multiple chatting platforms. Improve your digital workstream with a platform that respects privacy and offers total control of your data, bringing messages, video conference, files and bots together. Never lose track of important information again.

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Line2 Pro logo

Cloud-based communication platform for small businesses

Line2 is a cloud-based communication platform that enables small businesses to communicate with customers via calls and texts using a virtual phone system. Professionals can utilize the platform to set up different phone lines for team members, facilitating quick client response.

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MyOperator logo

Business AI Operator - WhatsApp API and IVR automation

MyOperator, a Business AI Operator, is India’s leading Call + WhatsApp communication platform, trusted by over 10,000 businesses, including Amazon, Lenskart, NCERT, Apollo, and Myntra.

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Ooma Office logo

All-in-one VoIP solution for businesses of all sizes.

Ooma Office is a simple to use, cloud-based voice + video solution. With a platform designed to enable your team to advance collaboration and productivity, Ooma Office gives you the ultimate flexibility to work from anywhere with video meetings, desktop, and mobile apps.

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GoTo Meeting logo

Online meeting software with HD video conferencing

Get a fast, easy and reliable professional solution that enables customers to connect with colleagues through in-meeting chat or conference calling, and screenshare their presentations, all with the click of a button. The Meeting solution from GoTo Connect pairs productivity with flexibility.

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3CX logo

Web & mobile-based (Android, iOS) communications system.

3CX is an open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry. Work efficiently from anywhere. Video conferencing, live chat, mobile apps and advanced contact center features are all included at a fraction of the cost.

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Weave logo

Customer communication and appointment scheduling solution

Weave is the all-in-one customer communications and engagement platform for small and midsize business. From the first phone call to the final invoice and every touchpoint in between, Weave connects the entire customer journey.

Read more about Weave

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