Quick Overview
- 1#1: VICIdial - Open-source contact center suite offering predictive dialing, inbound/outbound campaigns, and agent interfaces.
- 2#2: GoAutoDial - Free open-source omnichannel contact center platform with auto-dialer, CRM integration, and web-based agents.
- 3#3: 3CX - Free edition PBX software providing call queues, IVR, wallboards, and basic contact center functionality.
- 4#4: FreePBX - Open-source graphical interface for Asterisk with queues, conferences, and contact center modules.
- 5#5: VitalPBX - Free community edition PBX featuring advanced queues, reports, and mobile apps for contact centers.
- 6#6: FusionPBX - Multi-tenant GUI for FreeSWITCH enabling scalable contact center deployments with call routing.
- 7#7: Wazo - 100% open-source unified communications platform with agent dashboards and call center statistics.
- 8#8: Issabel - Free unified communications server combining PBX, CRM, and tools for contact center operations.
- 9#9: Webitel - Open-source programmable telephony platform supporting WebRTC-based contact centers.
- 10#10: QueueMetrics - Open-source call center monitoring and reporting solution for Asterisk environments.
These tools were ranked based on a focus on key features (such as predictive dialing, omnichannel support, and CRM integration), technical excellence, user-friendliness, and long-term value, ensuring they meet the diverse needs of businesses, from small teams to scalable operations.
Comparison Table
This comparison table explores free contact center software tools such as VICIdial, GoAutoDial, 3CX, FreePBX, VitalPBX, and more, highlighting key features, usability, and ideal use cases to assist readers in selecting the right solution for their operations.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | VICIdial Open-source contact center suite offering predictive dialing, inbound/outbound campaigns, and agent interfaces. | enterprise | 8.7/10 | 9.5/10 | 5.5/10 | 10.0/10 |
| 2 | GoAutoDial Free open-source omnichannel contact center platform with auto-dialer, CRM integration, and web-based agents. | enterprise | 8.7/10 | 9.3/10 | 6.5/10 | 9.8/10 |
| 3 | 3CX Free edition PBX software providing call queues, IVR, wallboards, and basic contact center functionality. | enterprise | 8.3/10 | 8.0/10 | 7.8/10 | 9.5/10 |
| 4 | FreePBX Open-source graphical interface for Asterisk with queues, conferences, and contact center modules. | enterprise | 7.2/10 | 6.8/10 | 5.9/10 | 9.5/10 |
| 5 | VitalPBX Free community edition PBX featuring advanced queues, reports, and mobile apps for contact centers. | enterprise | 8.1/10 | 8.2/10 | 7.8/10 | 9.3/10 |
| 6 | FusionPBX Multi-tenant GUI for FreeSWITCH enabling scalable contact center deployments with call routing. | enterprise | 7.4/10 | 7.8/10 | 5.9/10 | 9.5/10 |
| 7 | Wazo 100% open-source unified communications platform with agent dashboards and call center statistics. | enterprise | 7.8/10 | 8.2/10 | 6.5/10 | 9.5/10 |
| 8 | Issabel Free unified communications server combining PBX, CRM, and tools for contact center operations. | enterprise | 7.6/10 | 8.0/10 | 6.2/10 | 9.8/10 |
| 9 | Webitel Open-source programmable telephony platform supporting WebRTC-based contact centers. | enterprise | 7.6/10 | 8.2/10 | 6.5/10 | 9.5/10 |
| 10 | QueueMetrics Open-source call center monitoring and reporting solution for Asterisk environments. | enterprise | 7.6/10 | 8.4/10 | 6.2/10 | 9.2/10 |
Open-source contact center suite offering predictive dialing, inbound/outbound campaigns, and agent interfaces.
Free open-source omnichannel contact center platform with auto-dialer, CRM integration, and web-based agents.
Free edition PBX software providing call queues, IVR, wallboards, and basic contact center functionality.
Open-source graphical interface for Asterisk with queues, conferences, and contact center modules.
Free community edition PBX featuring advanced queues, reports, and mobile apps for contact centers.
Multi-tenant GUI for FreeSWITCH enabling scalable contact center deployments with call routing.
100% open-source unified communications platform with agent dashboards and call center statistics.
Free unified communications server combining PBX, CRM, and tools for contact center operations.
Open-source programmable telephony platform supporting WebRTC-based contact centers.
Open-source call center monitoring and reporting solution for Asterisk environments.
VICIdial
enterpriseOpen-source contact center suite offering predictive dialing, inbound/outbound campaigns, and agent interfaces.
Carrier-grade predictive dialer with adaptive algorithms for optimal agent utilization
VICIdial is a free, open-source contact center suite designed for high-volume inbound, outbound, and blended calling operations. It leverages Asterisk PBX for features like predictive dialing, power dialing, IVR systems, agent scripting, CRM integration, and real-time campaign management. With robust reporting and scalability, it powers enterprise-level call centers without licensing fees.
Pros
- Completely free and open-source with unlimited users and calls
- Advanced predictive and power dialing rivaling paid solutions
- Highly customizable with extensive integrations and reporting
Cons
- Steep learning curve and complex installation requiring Linux/Asterisk expertise
- Dated web interface lacking modern UI/UX polish
- Community-driven support with no official free tier assistance
Best For
High-volume call centers with in-house technical teams experienced in open-source telephony.
Pricing
100% free open-source software; optional paid hosting, support, or VICIdial NOW! SaaS starts at $500/month.
GoAutoDial
enterpriseFree open-source omnichannel contact center platform with auto-dialer, CRM integration, and web-based agents.
Multi-algorithm predictive dialing engine that optimizes agent utilization in real-time
GoAutoDial is an open-source contact center software suite based on VICIDIAL, offering predictive and progressive dialing for outbound campaigns, inbound call routing via ACD and IVR, and comprehensive agent interfaces. It includes built-in CRM, real-time reporting, call recording, and campaign management tools, making it suitable for high-volume call operations. As a free, self-hosted solution, it requires Linux server setup but provides enterprise-grade features without licensing costs.
Pros
- Extremely feature-rich with predictive dialing, CRM, and analytics at no cost
- Highly scalable for large call centers
- Open-source for full customization and no vendor lock-in
Cons
- Steep learning curve and complex self-hosted installation
- Outdated user interface requiring technical expertise
- Limited official support in free version; relies on community
Best For
Mid-sized businesses or IT-savvy teams needing a powerful, free predictive dialer for high-volume outbound campaigns.
Pricing
Free open-source community edition; optional paid enterprise support and hosted plans starting around $500/month.
3CX
enterpriseFree edition PBX software providing call queues, IVR, wallboards, and basic contact center functionality.
Integrated digital receptionist and wallboard for real-time queue visualization
3CX is an open-standard IP PBX and contact center software that delivers ACD queues, skills-based routing, wallboards, and real-time reporting for efficient call management. The free self-hosted edition supports up to 10 simultaneous calls, making it ideal for small-scale operations with features like IVR, call recording, and agent monitoring. It integrates seamlessly with SIP devices, web clients, and mobile apps for flexible agent access.
Pros
- Completely free self-hosted edition with professional contact center tools like queues and reporting
- Strong compatibility with SIP hardware and multi-platform clients (web, desktop, mobile)
- No licensing fees for basic use and easy CRM integrations
Cons
- Limited to 10 simultaneous calls in free version, restricting scalability
- Self-hosting requires technical setup and server maintenance
- Some advanced reporting and features locked behind paid editions
Best For
Small businesses or startups needing a no-cost, feature-rich contact center for up to 10 agents.
Pricing
Free self-hosted edition (up to 10 simultaneous calls); paid Standard/Pro editions start at around $150 per simultaneous user annually, with hosted options available.
FreePBX
enterpriseOpen-source graphical interface for Asterisk with queues, conferences, and contact center modules.
Modular Asterisk integration for unlimited scalability and custom call flows without vendor lock-in
FreePBX is an open-source, web-based GUI for the Asterisk PBX platform, enabling users to build and manage VoIP telephony systems including extensions, trunks, IVRs, and call queues. As a free contact center solution, it supports basic agent queuing, call distribution, recording, and reporting via core modules and community add-ons. While highly customizable for voice-centric operations, it lacks native omnichannel support and advanced analytics out-of-the-box, requiring technical configuration for full contact center use.
Pros
- Completely free and open-source with no licensing costs
- Highly customizable through Asterisk and extensive module ecosystem
- Robust voice features like queues, monitoring, and call recording
Cons
- Steep learning curve requiring Linux and PBX knowledge
- Limited built-in omnichannel capabilities (primarily voice-focused)
- Advanced contact center features often need paid modules or custom development
Best For
Tech-savvy small to medium businesses seeking a free, scalable voice contact center with heavy customization needs.
Pricing
Core software is 100% free and open-source; optional commercial modules and support services available from $0 to several hundred dollars annually.
VitalPBX
enterpriseFree community edition PBX featuring advanced queues, reports, and mobile apps for contact centers.
Customizable real-time wallboards for agent monitoring and queue management
VitalPBX is a free, open-source unified communications platform built on Asterisk, offering robust PBX and contact center capabilities through its Community Edition. It provides essential contact center features like ACD queues, agent management, IVR, call recording, real-time wallboards, and detailed reporting via a modern web GUI. Suitable for voice-focused operations, it scales well for small to medium teams without licensing costs.
Pros
- Completely free Community Edition with core contact center tools
- Modular architecture allows easy customization and expansion
- Strong security features and reliable Asterisk-based performance
Cons
- Linux server setup requires technical expertise
- Limited native multichannel support (primarily voice-focused)
- Some advanced modules and official support require payment
Best For
Small to medium businesses needing a scalable, no-cost voice contact center solution with solid PBX integration.
Pricing
Free Community Edition; commercial licenses and premium modules start at $15/server/month with support options.
FusionPBX
enterpriseMulti-tenant GUI for FreeSWITCH enabling scalable contact center deployments with call routing.
Sophisticated mod_callcenter module with tiered queue strategies, agent skills-based routing, and real-time presence
FusionPBX is an open-source, multi-tenant web-based GUI for the FreeSWITCH telephony platform, enabling robust PBX and contact center functionality including ACD queues, IVR systems, call recording, and agent monitoring. It supports voice, video, and messaging services with real-time dashboards for supervisors. While highly customizable, it excels in scalable telephony deployments rather than full omnichannel contact centers.
Pros
- Completely free and open-source with no licensing costs
- Powerful FreeSWITCH core for high-performance call handling and scalability
- Extensive modular architecture for custom contact center workflows
Cons
- Steep learning curve and complex Debian-based installation
- Dated user interface requiring technical expertise for setup and maintenance
- Limited native omnichannel support beyond voice/video; lacks advanced AI or CRM integrations
Best For
Tech-savvy IT teams or developers building custom, scalable voice contact centers on a zero-budget.
Pricing
Free open-source software; optional paid enterprise support and modules available.
Wazo
enterprise100% open-source unified communications platform with agent dashboards and call center statistics.
Fully modular architecture with no proprietary black-box components for complete customization
Wazo is a 100% open-source unified communications platform that delivers robust contact center functionality, including agent management, call queues, real-time dashboards, call recording, and advanced reporting powered by Asterisk and XiVO. It supports WebRTC for browser-based communications, omnichannel integration, and extensive customization via plugins and APIs. Designed for self-hosting, it offers enterprises a flexible, vendor-lock-in-free alternative to proprietary solutions.
Pros
- Completely free and open-source with no licensing costs
- Comprehensive contact center tools like queues, supervision, and analytics
- Highly modular and extensible with APIs and plugins
Cons
- Complex setup requiring Linux and telephony expertise
- Steep learning curve for non-technical users
- Community-driven support lacks enterprise-level responsiveness
Best For
Tech-savvy IT teams or organizations needing a customizable, self-hosted contact center without ongoing fees.
Pricing
100% free open-source core; optional paid professional services, support, and hosted options available.
Issabel
enterpriseFree unified communications server combining PBX, CRM, and tools for contact center operations.
Integrated Vtiger CRM alongside PBX and contact center modules for unified customer data and call management
Issabel is a free, open-source unified communications platform forked from FreePBX and based on Asterisk, providing PBX and contact center capabilities for voice, video, and messaging. It includes features like automatic call distribution (ACD) queues, agent management, IVR systems, call recording, real-time dashboards, and reporting tools to handle inbound and outbound customer interactions. Designed for on-premise deployment, it offers customization for small to medium-sized contact centers seeking enterprise-grade functionality without costs.
Pros
- Completely free and open-source with no licensing fees
- Robust contact center features including ACD queues, agent monitoring, and call analytics
- Highly customizable via Asterisk and FreePBX modules
Cons
- Steep learning curve requiring Linux and telephony knowledge for setup
- Complex maintenance and updates compared to commercial alternatives
- Limited native integrations and polished UI for non-technical users
Best For
IT-savvy small to medium businesses or teams needing a customizable, on-premise free contact center without subscription costs.
Pricing
100% free open-source software; optional paid professional support and hosting available.
Webitel
enterpriseOpen-source programmable telephony platform supporting WebRTC-based contact centers.
Native WebRTC gateway enabling plugin-free voice, video, and screen sharing directly in web browsers
Webitel is an open-source, WebRTC-based contact center platform that provides omnichannel communication capabilities including voice calls, video, chat, and SMS. It features advanced tools like automatic call distribution (ACD), interactive voice response (IVR), call recording, real-time reporting, and workforce management. Designed for self-hosting, it allows full customization and scalability for businesses seeking a free, flexible contact center solution.
Pros
- Completely free and open-source with no licensing costs
- Robust omnichannel support including WebRTC for browser-based calls
- Highly scalable with enterprise-grade features like ACD and analytics
Cons
- Complex setup requiring Linux server knowledge and technical expertise
- Limited community support and documentation for beginners
- No built-in hosted option in the free version, demanding self-management
Best For
Tech-savvy developers or IT teams building customizable, self-hosted contact centers on a budget.
Pricing
Free open-source community edition for self-hosting; paid enterprise cloud and support plans start at around $50/user/month.
QueueMetrics
enterpriseOpen-source call center monitoring and reporting solution for Asterisk environments.
Real-time drill-down reporting directly from interactive wallboards
QueueMetrics is an open-source contact center monitoring and reporting suite designed specifically for Asterisk PBX systems. It delivers real-time dashboards, wallboards, detailed call analytics, and agent performance metrics to optimize queue management and quality assurance. The free community edition provides core functionalities for small to medium-sized operations, though it requires technical setup.
Pros
- Comprehensive real-time monitoring and customizable wallboards
- Powerful reporting with drill-down analytics for queues and agents
- Fully open-source community edition at no cost
Cons
- Requires existing Asterisk PBX infrastructure and technical expertise
- Steep learning curve for installation and configuration
- No official support or advanced features in the free version
Best For
Tech-savvy administrators of small Asterisk-based contact centers seeking free, robust analytics without ongoing licensing fees.
Pricing
Free open-source community edition; enterprise editions with support and extras start at around €300/year per server.
Conclusion
Evaluating free contact center tools reveals VICIdial as the clear top choice, boasting robust predictive dialing and versatile campaign management. GoAutoDial follows closely, impressing with its omnichannel support and CRM integration, while 3CX stands out for reliable PBX and IVR functionality. Each of the top three offers unique strengths, ensuring users find a solution that aligns with their specific operational needs, whether prioritizing advanced features or ease of use.
Don’t miss out—try VICIdial first to unlock its powerful capabilities and build an efficient, professional contact center without cost concerns.
Tools Reviewed
All tools were independently evaluated for this comparison