Apps to Audio Calling

TeamViewer is a premier remote access, support, and online collaboration software. It provides secure connections to computers and mobile devices from anywhere in the world, enabling IT professionals and individuals to provide remote support, access files, attend online meetings, and collaborate effectively across distances.

Viubo is a robust remote access and support platform designed for both technical support and personal use. It provides secure and efficient ways to control and manage remote computers, offering features like remote desktop, file sharing, unattended access, and multi-monitor support.

Cisco WebEx is a comprehensive and secure platform for online meetings, video conferencing, and team collaboration, catering to businesses of all sizes. It offers a wide range of tools to facilitate communication and productivity in a remote or hybrid work environment.

GoToAssist is a comprehensive, cloud-based remote support solution designed for IT support teams and customer service organizations, enabling secure and efficient remote access to devices for troubleshooting, maintenance, and support.

Apache Guacamole is a clientless remote desktop gateway that provides access to VNC, RDP, and SSH protocols through a web browser. It eliminates the need for native client software, offering a highly accessible and centralized solution for remote connections.

iTeleport VNC is a versatile remote desktop access solution enabling users to connect to and control computers from anywhere. It acts as both a VNC client and server, offering features for file sharing, monitoring, and unattended access across multiple platforms.

Dualmon is a robust and free remote desktop and remote support software designed for a wide range of users, from individual tech support to large enterprises. It provides secure and efficient remote access, screen sharing, file transfers, and various administrative tools for managing remote computers and servers.

RemoteToPC is a comprehensive remote support and IT management solution designed for businesses of all sizes. It provides secure remote access to computers, enabling IT professionals to offer assistance, perform maintenance, and manage systems from anywhere. With features like unattended access, remote monitoring, and integrated tools, it streamlines remote IT operations.

MicroSIP is a free, portable SIP softphone for Windows, renowned for its lightweight design and focus on security. It allows users to make secure audio and video calls over the internet using the SIP protocol, supporting various codecs and providing features like encryption and presence.

Remobo was a network utility that created an Instant Private Network (IPN) between users, allowing them to connect and interact over the internet as if they were on the same local area network (LAN). It facilitated remote desktop access, file sharing, and communication.

Firefox Hello was a simple, browser-based video and audio communication tool built directly into the Firefox browser. It allowed users to connect with others quickly and easily through sharable links, requiring no registration or account creation. Its core focus was on immediate, privacy-conscious communication.

Jitsi Meet is a free, open-source video conferencing platform enabling secure and scalable group calls directly in your browser. It prioritizes privacy and offers features like screen sharing, chat, and collaborative editing without requiring account creation or software downloads.

BigBlueButton is a powerful open-source web conferencing system designed for online learning and collaboration. It offers robust features like video conferencing, screen sharing, a multi-user whiteboard, breakout rooms, and polling, making it an ideal platform for virtual classrooms and team meetings.

GoToMeeting is a robust online meeting and video conferencing solution designed for business communication. It facilitates seamless collaboration with features like HD video, screen sharing, and integrated audio. Ideal for remote teams and businesses needing reliable virtual meetings.

Gajim is a free and open-source instant messaging client for the XMPP protocol. Built using the GTK+ toolkit, it offers a wide array of features for secure and flexible communication, including encrypted chat, group conversations, multi-protocol support via gateways, and extensive customization options.

Psi is a robust, open-source instant messaging client built on the XMPP protocol. It's known for its focus on speed, efficiency, and adherence to XMPP standards, offering a clean interface and strong privacy features for secure and reliable communication.

Remote Desktop Connection (RDC) is a built-in Microsoft Windows feature allowing users to connect to another computer running RDC over a network. It provides full control of the remote machine's desktop interface, enabling task execution, application use, and file access as if directly present.

Google Hangouts was a versatile communication platform offering instant messaging, voice and video calls, and SMS capabilities directly from web browsers and mobile devices. Integrated deeply with Gmail and other Google services, it provided a convenient way to connect and collaborate across various platforms.

Pidgin is a free and open-source multi-protocol instant messaging client designed to connect users across various chat networks with a single application. It's highly extensible through plugins and supports a wide range of protocols including XMPP, ICQ, and IRC.