A free (libre) open source, mobile OS for Ethereum
Open source email service with a strong focus on security and privacy
A New Kind of Instant Messaging
Keybase Go library, client, service, OS X, iOS, Android, Electron
Powerful open source team chat application
Home to the Signal Protocol and other cryptographic primitives
Secure, simple and scalable video conferences application
Amazon SNS message validation for PHP
Remote control. Support VNC, RDP, Terminal, SSH, TELNET etc
German version of the "Plum Harbor" file sharing app.
Encrypted messaging, communities, voice chat, and file sharing.
An open-source file sharing app built using Next.js and Perplexity.
Development toolkit for Web Services and XML data bindings for C & C++
Direct local file, folder & text sharing for Windows & Android.
Open another computer's folder as if local; post-quantum encrypted P2P
a very simple json chat made in php
It's the simple cloud.
Document Management System and Content Management System
Fast file system server with modern web UI and direct transfers
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Cerberus Content Management System
Microsoft project for cloud-based client-server communication
Smoke: Android Crypto Chat Messenger
The most affordable CRM system according to Capterra