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Top Rated VoIP Software with Open source - Page 10

Last updated: August 2026

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257 software options

PBXware logo
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A UCaaS Platform for Telecom Service Providers

The Bicom Platform is a comprehensive, flexible, white label Unified Communications & Collaboration suite. Including UCaaS, Contact Center as a Service, omnichannel, hybrid meetings, mobile UC, geo-redundancy, UC virtualization, and more, the Bicom Platform supports your business as it grows.

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Kolmisoft M4 SBC logo
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Telephony and VoIP software

Kolmisoft M4 SBC is a VoIP solution that helps telecommunication service providers automate VoIP billing, routing, and invoicing processes. Key features include real-time billing for both prepaid and postpaid services, multicurrency support, VAT accounting, and comprehensive financial analysis tools.

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Spruce Health logo

One inbox for every patient conversation.

Spruce Health is the leading platform for HIPAA-compliant healthcare communication.

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Aloware logo

so much more than just a sales dialer

Aloware is the modern contact center solution for sales and support teams around the world. Our all-in-one, turnkey software gives your business the ability to engage with your customers in ways they'll love: via cell phone, text message, and social messengers.

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Dialbird logo
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Unified communication platform for business teams

Dialbird is a business phone system that consolidates voice calls, SMS, RCS messaging, and team chat into shared inboxes for collaborative communication management. The platform features smart call routing, call menus, voicemail, recording capabilities, and admin controls for managing team access to business numbers and contacts. Dialbird operates on carrier-grade infrastructure and is accessible across web, iOS, and Android devices.

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Digital Tide logo
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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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Fonable logo
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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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Radius Connect logo
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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
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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
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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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Crococalls logo
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Secure global virtual numbers and cloud PBX without friction

CrocoCalls is a privacy-first cloud PBX and virtual telephony platform. Secure premium virtual DID numbers in over 100 countries instantly with flexible billing and no tedious verification roadblocks.

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ReFrame Engage logo
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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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Telfon logo
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Cloud VoIP for business calls and messaging

Telfon is a cloud-based virtual phone system that enables businesses to make calls and send SMS and MMS messages across multiple devices. The platform offers features including call forwarding, call recording, voicemail transcription, and call analytics. Telfon provides virtual phone numbers in over fifty countries and includes a Chrome desktop application for browser-based access.

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CONQUER logo

Revenue Engagement & Sales Acceleration

Conquer is a revenue engagement and sales acceleration that empowers sales and service teams to be more effective at communicating with customers across email, voice, SMS, and social channels.

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Viirtue logo
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White label VoIP and UCaaS platform for MSPs

White-label VoIP infrastructure for MSPs, ITSPs, and telecom resellers. Deliver hosted VoIP, SIP trunking, cloud PBX, and softphone apps under your own brand across a carrier-grade geodiverse network. Multi-tenant provisioning, self-service number management, and ViiBE for usage rating and telecom t

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Ripple logo
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Take control of your phone system with Ripple by Intruity.

Ripple is a cloud-based VoIP solution that facilitates conversations between people from all over the world. The platform is designed to meet the needs of a wide range of businesses from small startups to large corporations. Key functions include call analytics, conference bridge, number porting, and more.

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NobelBiz OMNI+ logo
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End-to-end solutions for the call center industry

All-in-One customer-centric and fully Cloud-based contact center solution, providing a unique blend of high-quality telecom services and cutting edge omnichannel software for contact centers.

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Toktiv logo
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Cloud-based business phone application with IVR & messaging

Toktiv is a cloud phone system that enables businesses to access voice, instant messaging, and IVR features using a single device. Teams can view account and feature settings from their computer, tablet, or any mobile device.

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HiBird logo
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Video platform with real-time translation

HiBird is a video communication platform that offers real-time translation capabilities for distributed teams. The software includes features such as HD video meetings, team chat, integrated notes and task management, and meeting recordings with transcripts and summaries. HiBird provides integrations with tools like Slack, Calendar, and GitHub, and includes SOC 2 compliance with end-to-end encryption for enterprise security.

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CalLite CRM logo
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CRM software for managing marketing activities

CalLite CRM helps businesses manage various sales-related activities such as outbound (telemarketing, teleselling), inbound/help desk, uploading practices, contracts, PDA, pyramid/multilevel sales networks, appointment making, surveys/data collection, multi-channel messaging (outgoing and incoming), reporting, and business intelligence.

Read more about CalLite CRM

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dialnote logo
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AI business phone system with unlimited users

dialnote is a business phone system that features AI-powered voice agents for handling inbound calls, text messaging, and WhatsApp communications. The platform offers unlimited calling seats, call routing, call recording, and integrations with CRM systems including Salesforce, Zendesk, and HubSpot. It includes AI capabilities such as call transcription, automated call summaries, call tagging, and lead capture functionality.

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Numeración telefónica logo
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Telephony and interactive voice response (IVR) solution

Numeración telefónica is a telephony solution designed to help businesses streamline interactive voice response (IVR), call routing, and voiceover management operations. It enables teams to automatically distribute incoming calls based on various attributes including calendars, black or white lists, origin, agent status, or load balance.

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CommPeak Dialer logo
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Double Your Call Center’s Reach with Predictive Dialing

The CommPeak Dialer helps you reach more leads and connect them to the right agents at scale with flexible workflows, adaptable dialing strategies, real-time visibility, and omnichannel reach, handling the complexity of large-scale operations and multiple campaigns.

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Cloud-In-Touch For Business logo
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Cloud-based telephony platform to chat & conference

Cloud-In-Touch is a telephony platform, which enables enterprises to ensure private and secured communication during video conferencing, chatting, and document or application sharing.

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Nvoip logo
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Connecting businesses and customers.

Nvoip is a communication platform that helps businesses communicate better with their customers.

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