Mac OS X Softwares to Voice Call

Toky is a comprehensive cloud-based phone system designed for businesses, offering voice calls, SMS, call recording, and integrations with various CRM and business tools. It provides teams with a flexible and powerful communication platform for customer support and internal collaboration.

Telzio provides a cloud-based business phone system offering voice, SMS, and fax services. It includes features like Auto-Attendant, Call Queue, Call Recording, and secure VoIP calls, designed for businesses seeking a flexible and scalable communication solution.

Hubgets transforms team communication with integrated chat, voice, and video, fostering collaboration and boosting productivity through a unified platform for messaging, file sharing, and project management.

Bleep is a secure and private instant messaging and voice calling application that prioritizes user anonymity through a decentralized, peer-to-peer architecture, offering features like end-to-end encrypted messaging and calls.

PubNub is a global real-time infrastructure-as-a-service providing APIs and SDKs for developers to build real-time applications like chat, IoT, and live dashboards without managing backend infrastructure.

QuteCom, formerly WengoPhone, was a free and open-source VoIP client supporting the SIP protocol. It enabled users to make voice and video calls, send instant messages, and connect with contacts across various networks, including Google Talk.

Tencent QQ (QQ) is a versatile instant messaging and social platform widely used in China and expandingglobally. It offers a wide range of communication tools including text chat, voice and video calls, group chats, and file sharing.

Fleep is a business communication platform designed for teams of all sizes, facilitating collaboration within and across organizations through a combination of chat, task management, and file sharing.

X-Lite is a popular and free VoIP softphone application designed for making voice and video calls over the internet. Leveraging the Session Initiation Protocol (SIP), it provides a straightforward and reliable way to communicate with other SIP-enabled devices and services.

Flock is a comprehensive communication and collaboration platform designed for teams. It streamlines workflow and enhances productivity through integrated messaging, project management tools, and seamless file sharing within a secure environment.

Curse is a comprehensive online platform designed for the gaming community, integrating robust chat, voice communication, and game management tools.

Psi+ is a robust, cross-platform XMPP/Jabber client tailored for users who prioritize control, privacy, and extensibility. As a development branch of the classic Psi client, it offers advanced features for secure and customizable instant messaging.

VSee is a secure and robust video conferencing and telehealth platform trusted by organizations like NASA. It offers a suite of integrated communication and collaboration tools designed for professional use, emphasizing security, low bandwidth performance, and ease of use.

KakaoTalk is a popular mobile messaging service offering free text, voice, and video calls. Primarily used in South Korea, it provides a comprehensive communication platform with features like group chats, stickers, and a strong emphasis on user privacy and security.

qutIM is a free and open-source, multi-protocol instant messenger designed for connecting to various networks including ICQ, Jabber, Mail.Ru, IRC, and VKontakte. It offers a unified interface for managing multiple accounts and conversations.

ooVoo is a comprehensive video chat and instant messaging client designed for seamless communication across various platforms. It offers a suite of features including high-quality video calls, group conferencing, screen sharing, and instant messaging.

eXo Platform is an open-source enterprise social collaboration platform designed to connect employees, share knowledge, and improve communication and productivity within organizations. It offers a comprehensive suite of tools including social networking, document management, project management, and real-time communication features.

WeChat is a comprehensive mobile app offering instant messaging, social networking, payment services, and access to a wide range of mini-programs. It facilitates communication through text, voice, and video, supports group interactions, and integrates various lifestyle services.

ICQ is a veteran instant messaging platform offering a wide range of communication features, including text chat, voice and video calls, screen sharing, and group chats. It aims to provide a reliable and feature-rich messaging experience with a focus on privacy and security.

Ring (SFLphone) is a free and open-source communication platform offering secure messaging, voice, and video calls. It leverages decentralization and end-to-end encryption for enhanced privacy across multiple operating systems including Linux, Windows, macOS, and Android.

Wire is a secure, cross-platform messaging and collaboration client offering end-to-end encryption by default for all communication types including messaging, voice and video calls, and file sharing across desktop and mobile devices.

Mattermost is an open-source, self-hosted platform for secure team collaboration, offering a Slack-alternative with emphasis on data control, privacy, and customizability. It provides a range of communication and project management tools for distributed and technical teams.

LINE is a versatile communication platform offering free voice and video calls, messaging, and a wide array of interactive features to connect with friends and family globally. It goes beyond basic chat with unique stickers, timeline posts, and integration with various services, providing a comprehensive social and communication experience in one app.

Linphone is a free and open-source Voice over IP (VoIP) application and SIP client available on multiple platforms. It enables encrypted voice and video calls, instant messaging, and file sharing, offering a privacy-focused communication solution.

Nimbuzz is a comprehensive cross-platform communication application that provides free instant messaging, voice calls, and social networking features. It connects users across various devices and platforms, enabling communication with friends and family globally.

Viber is a comprehensive messaging and VoIP application enabling free and secure calls and messages to users worldwide. It offers robust features for both individual and group communication across various devices.

Tox is a free, open-source, and secure peer-to-peer instant messaging and video calling protocol designed for strong privacy and censorship resistance. It provides end-to-end encrypted communications without reliance on central servers.

Slack is a leading cloud-based platform designed for team communication and collaboration. It offers a central location for conversations, file sharing, and app integrations, enabling teams to work more efficiently and stay connected regardless of location.

WhatsApp Messenger is a widely used free messaging and calling app, available globally. It enables communication through text, voice messages, and video calls, facilitating connections between individuals and groups across various devices and platforms.

Matrix is an open network for secure, decentralized real-time communication. It provides a flexible protocol for developers to build collaborative applications like instant messaging, VoIP, and video conferencing, enabling seamless communication across different service providers.