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The Best Open-Source Alternatives to Dialpad

Are you looking for a free or self-hosted alternative to Dialpad? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Team Communication ecosystem. Currently, there are 3 active replacements available, with FreeSWITCH being one of the most prominent selections.

Quick Comparison: Dialpad vs. Open Source

Full comparison: Dialpad vs. FreeSWITCH →
CriteriaDialpadOSS Replacements
Pricing modelPaid / Monthly Fees100% Free / Self-Hosted
Data ControlThird-party ServersFull Ownership & Privacy
CustomizabilityRestricted by VendorUnlimited (Modify Codebase)

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NOASSERTION

FreeSWITCH is an open-source, real-time communication platform that provides a highly customizable and scalable solution for voice, video, and messaging applications, offering a cost-effective and privately controllable alternative to proprietary offerings like Dialpad. As a community-driven project, FreeSWITCH empowers users to control their own communication infrastructure, ensuring maximum data security and privacy.

⭐ 5,047 Stars
šŸ“ 1,816 Forks
ā— 0 Open Issues
šŸ·ļø NOASSERTION
NOASSERTION

Asterisk is an open-source, private VoIP server that allows users to create custom communication networks and manage VoIP calls securely, without the need for cloud-based services like Dialpad. With its flexibility and scalability, Asterisk serves as an excellent alternative for individuals and organizations seeking control over their communication infrastructure and ensuring the integrity of their conversations.

⭐ 3,413 Stars
šŸ“ 1,282 Forks
ā— 0 Open Issues
šŸ·ļø NOASSERTION
NOASSERTION

Kamailio is an open-source, highly scalable SIP server that enables secure, reliable, and high-performance communication solutions, ideal for businesses and organizations seeking a privacy-friendly alternative to proprietary platforms like Dialpad. By providing a flexible and customizable architecture, Kamailio empowers users to control their communication data and infrastructure, ensuring maximum transparency and security in their voice-over-IP (VoIP) operations.

⭐ 2,891 Stars
šŸ“ 1,113 Forks
ā— 0 Open Issues
šŸ·ļø NOASSERTION

Frequently Asked Questions

What is the best open source alternative to Dialpad?

Based on GitHub community data (including star count and fork activity), FreeSWITCH stands out as one of the most reliable open-source replacements for Dialpad today.

Why should I use an open-source replacement instead of Dialpad?

Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.

Top Open-Source Alternatives to Dialpad in 2026