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Top Rated VoIP Software with Open source - Page 17

Last updated: October 2026

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509 software options

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Letsdial logo

Enhance customer service with a cloud contact center

LetsDial is a mobile application that helps businesses streamline international calling processes. With its multiple features, it enables VoIP calls from blocked countries, seamless SMS receiving and sending, and offers virtual phone numbers from various nations.

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Digital Tide logo

White-label cloud PBX for telecom operators

Digital Tide offers white-label cloud PBX solutions designed for telecom operators including mobile operators, fixed-line operators, MVNOs, and OTT operators. The platform features complete customization with operator branding, carrier-grade infrastructure, and integration capabilities through Trunk or SIP connections. The solution supports both cloud and on-premise deployment options and includes localized interfaces for different markets.

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ICTPBX logo

Self-hosted multi-tenant PBX for VoIP providers

ICTPBX is multi-tenant IP PBX software you run on your own Linux server. Built on FreeSWITCH with an ICTCore REST API, it gives VoIP providers and resellers white-label tenants, IVR, call queues, voicemail, a WebRTC softphone and fax over IP, with no per-user licence fees.

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Wellspring Innovation Management logo

Emerging technology scouting and real-time monitoring

Wellspring Innovation Management is a purpose built innovation management software for technology scouting and transfer, corporate venturing, sponsored research, IP management and licensing. The platform offers scouting, workflow management, pipeline insights, and reporting.

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Fonable logo

Browser based international calling service

Fonable is a browser-based international calling service that enables users to make phone calls to landlines and mobile phones across more than one hundred eighty countries. The platform operates directly through web browsers without requiring app downloads, plugins, or extensions. It features a pay-per-minute credit system and supports calls to businesses, customer service desks, and personal numbers worldwide.

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DailyTrackly logo

Insurance CRM with Power Dial, texting, and a phone system

Browser-based VoIP for insurance agencies, built into a CRM. Agency number with a call queue, extensions, attended transfer, voicemail, recording, caller ID matched to the lead, and live call monitoring, plus Power Dial, two-way SMS/MMS, and fax. From $19 per agent a month with 1,000 minutes.

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Radius Connect logo

Cloud-based telephony & business communication solution

Radius Connect enhances business communication with ease. The cloud-based telephony solution offers flexibility, affordability, and simplicity. It effectively lowers call expenses, enhances call quality, and ensures the business is future-ready.

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SendIA logo

Solution for managing communication across multiple channels

SendIA is a communication management software that allows businesses to optimize communication with customers through SMS, WhatsApp Business API, and chatbots. The platform enables users to create, run, and manage mass messaging campaigns to connect with the target audience.

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Peerlogic logo

Conversational AI for dental practice growth

Peerlogic is a voice-based conversational intelligence software designed for the dental industry and powered by Artificial Intelligence (AI).

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ReFrame Engage logo

Conversational intelligence and customer engagement software

ReFrame empowers the future of business by enabling context-aware solutions to connect with customers anywhere, anytime, and providing the best customer experience (CX) within a single powerful platform.

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