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Free and secure calls and messages to anyone, anywhere

Connecting a billion people with calls, chats and more

Wireless sharing with your PC, made easy.

An instant messaging tool that gives you the best way to keep in touch with your friends and family

Onion routing based messenger

Secure collaboration and messaging

A feature-rich desktop native client developed for Windows, MacOS, and Linux platforms, allowing you to enjoy the instant messaging service on your PC.

Work efficiency and team collaboration tool

A secure corporate messenger from Yandex with a familiar interface

Free, Secure & Reliable Messages and Calls

A decentralized and secure messenger app

A server that can transfer eBooks to Kindle via WiFi

An intranet file transfer tool

A file server that supports static serving, uploading, searching, accessing control, WebDAV...

Enter the classroom and start class immediately.

A CLI tool to serve files and dirs over HTTP

Portal is a quick and easy command-line file transfer utility from any computer to another

Next Generation File Transfer Assistant

Point-to-point direct connection, private communication

A modern and secure instant messaging for people, business and healthcare

Rocket.Chat client

Matrix Client

Collaborate with your colleagues and peers across the finance world

Jabber IM Client

IRC client