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Call Center Software for Linux

Last updated: February 2026

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151 software options

Zoom Phone logo

Zoom Phone

Cloud-based business phone system

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Zoom Phone is a cloud VoIP phone software designed for businesses of all sizes. With a streamlined administration interface and secure voice calls, Zoom Phone offers a flexible solution for remote workforces. It also features global coverage, virtual phone numbers, fixed VoIP, cloud PBX, multi-line phone systems, and a Zoom Phone API, among other functionalities.

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Zoho Voice logo

Zoho Voice

Cloud-based business phone for SMB sales and support teams

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Zoho Voice is an online business telephony and contact center solution for businesses of all sizes. Packed with powerful features to seamlessly connect with your colleagues and customers, Zoho Voice helps you redefine your customer experience more efficiently with faster business communications.

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LiveAgent logo

LiveAgent

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Multichannel customer care solution with an AI chatbot

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LiveAgent is a multichannel inbound call center solution that allows businesses to manage customer interactions via phone, live chat, and social media. This cloud-based solution enables agents to route calls and boost customer satisfaction

Start with a 1 month free trial, no credit card required.

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3CX logo

3CX

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

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3CX is an all-in-one call center solution to communicate with customers via voice, video & chat. Offers advanced queue strategies set to individuals or groups. Integrates with various CRMs & MS 365. Includes call recordings & reports. One interface to answer customer live chat, FB messages & SMS.

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Webex Suite logo

One app for everything. And everyone.

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Webex brings together Calling, Meeting and Messaging modes of collaboration into a seamless, engaging, inclusive and intelligent experience.

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Talkdesk logo
Category Leaders

Cloud-based contact center & customer experience platform

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Self-service management. One-click integrations with Salesforce, Zendesk, Desk.com and many others. No phones, hardware, downloads or coding required.

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RingEX logo

RingEX - AI meets trusted communications

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Designed to give you a flexible, mobile, and powerful cloud phone system. Experience HD-quality web, audio, and video, along with one-click functionality and webinar capabilities with RingCentral Video. Promote collaboration with team messaging, unlimited SMS, and more.

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Bitrix24 logo

All in one business management workspace

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Bitrix24 #1 free CRM, contact and call center software used by over 12 million companies. 100% free for unlimited users. Cloud and open source.

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Twilio logo

Build, Scale, and Operate Customized Communication Solutions

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Twilio offers an API for phone services enabling companies to make and receive phone calls and send and receive text messages. It allows programmers to integrate various communication methods and to use existing web development skills and codes to solve communication problems.

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Kixie PowerCall logo
Category Leaders

More Connections, Better Conversations. AI-enhanced RevComms

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Kixie is a cutting-edge revenue communications platform designed to supercharge your team’s calling and texting capabilities. Kixie leverages AI and automation to streamline outreach, maximize efficiency, and drive real revenue growth — all while keeping the human element in every conversation.

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VICIdial logo

Open source call center software with predictive dialer

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Multi-channel Contact center with Chat, Email, CRM and inbound/outbound call handling

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CXone Mpower logo

Cloud-based contact center software

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For organizations around the globe, NICE provides customer experience (CX) solutions that increase customer satisfaction, boost operational efficiency, and strengthen brand value.

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Wildix logo

The First Sales-Oriented Unified Communications Solution.

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Wildix is a global provider of unified communications solutions for simpler, more secure business communications in the digital age.

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Five9 logo

Cloud contact and call center software

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Five9 is an all-in-one cloud contact center solution for inbound, outbound, blended and omnichannel contact centers world-wide. Powered by Practical AI, Five9 enables agents to provide customer experiences across phone, email, chat, mobile, social and more

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Agile CRM logo

Sales and marketing CRM for growing businesses

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Agile CRM combines powerful automation, telephony, web, mobile, email, social and scheduling features to effectively manage the entire customer journey

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CloudTalk logo

Cloud-based call center software for sales and support teams

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CloudTalk is a VoIP phone system built for modern companies. Make things easier for your sales and customer support teams with 70+ advanced calling features and easy-to-setup integrations with your existing business software. It’s the perfect solution for scaling companies. Try a FREE 14-day trial.

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XCALLY logo
Category Leaders

Omnichannel contact center management

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XCALLY provides all the tools to manage interaction with your customers, coming from several channels: email, SMS, web chat, phone calls, social media and messaging apps. Furthermore you have fundamental modules like Dialer, IVR Designer and a lite CRM.

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Genesys Cloud CX logo

AI-enabled experience orchestration platform

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Genesys Cloud CX cloud contact centre lets you differentiate faster, adapt easier, and architect better with an all-in-one composable modern architecture

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Acefone logo

VoIP Phone Service trusted by modern businesses

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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 customer service and team collaboration.

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Bright Pattern logo

Cloud Contact Center Software with Embedded AI

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Bright Pattern is the most effective cloud contact center software which helps businesses to simplify omnichannel service.

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LoopUp logo

Premium remote meeting solution

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LoopUp is a premium remote meetings solution for better, more productive conference calls. By combining audio reliability with a simple user experience and powerful collaboration features, LoopUp provides a world-class conferencing solution that your users and guests will love.

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ZIWO logo

API Based cloud contact center software with CRM Integration

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Simply talk to Your Clients with ZIWO Cloud Call Center Solution. Manage Phone Calls, WhatsApp, SMS Conversations - all in one place. Full API and CRM Plugins. Virtual phone numbers in more than 145+ countries.

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wolkvox logo
Category Leaders

Communication management system for contact centers

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Set up a call center with customized IVRs, agents with up to 10 simultaneous interactions, access to analytics and call recording.

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Nextiva Contact Center logo
Category Leaders

Omni-Channel Customer Relationship Management

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Nextiva is transforming the way businesses communicate. Nextiva is a communications platform providing businesses with big-business phone features at a small-business price and it offers ease of use, manageability, scalability, reliability, and enterprise-class functionality.

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HoduCC logo

HoduCC Contact center software for sales and support teams

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HoduCC is a contact center software designed to help businesses resolve clients’ issues and automate customer interactions through various communication channels including voice or video calls, emails, SMS, chats, and social media platforms.

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