Plouder provides international calling facility. ...more

Demonsaw is a secure, anonymous, free, and decentralized x-platform information-sharing application with end-to-end encryption and no client P2P. ...more

kune is a distributed social network software. ...more

Google Spaces is a cross-platform application for group discussions and messaging. ...more

BuddyCloud provides tools, libraries and services for secure cloud & on-premise user and group messaging. ...more

Gaption is a Social networking platform that enables people to monetize their content, products, and social networking activities. ...more

ClearOS System (ClarkConnect) is a Linux distribution, based on CentOS and Red Hat Enterprise Linux. ...more

Wire is a cross-platform, encrypted instant messaging client created by Wire Swiss. It is available for iOS, Android, Linux, Windows, macOS and Web browser clients. ...more

VK (VKontakte) is the largest European online social media and social networking service. It is available in several languages and is especially popular among Russian-speaking users. ...more

LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are. ...more

Pushbullet is a service that acts as a bridge between your mobile and desktop OSes, sets the gold standard for developer updates. ...more

Let's Chat is a persistent messaging application that runs on Node.js and MongoDB. It's designed to be easily deployable and fits well with small, intimate teams. ...more

Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with users of a different service provider via online chat, Voice over IP, and Videotelephony. ...more

Hangouts is an instant messaging software developed by Google. ...more