Linux Softwares 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.

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.

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.

ConnectWise Control, formerly ScreenConnect, is a robust self-hosted remote support and access solution designed for businesses of all sizes. It provides secure, fast, and flexible remote control capabilities, enabling IT professionals to troubleshoot issues, perform maintenance, and manage systems remotely.

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.

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.

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.