Open-source community forum software
E-mails, subdomains and names
A dead simple Go library for sending notifications to message services
Feed reader (and podcast player) which supports RSS/ATOM/JSON
Async PHP client/server API for the telegram MTProto protocol
#1 Free OneDrive Client for Linux
Simple, robust, BitTorrent tracker (client & server) implementation
MQTT gateway for ESP8266, ESP32, Sonoff RF Bridge or Arduino
High performance, self-hosted, newsletter and mailing list manager
Liferea (Linux Feed Reader), a news reader for GTK/GNOME
IRC application written in Rust
Lightweight, fault-tolerant message streams
WebTorrent, the streaming torrent client. For the command line
Redis client and message queue for Clojure
Simple, robust, BitTorrent DHT implementation
Open movies everywhere
Testable, composable, and adapter based Elixir email library
Collaborative document editing using Markdown
Efficient UDP unicast, UDP multicast, and IPC message transport
A New Kind of Instant Messaging
Provide softphone support to AmazonConnect customers
Mail hosting made simple
A file downloader library for Android with pause and resume support
The simple file storage service for IPFS & Filecoin
Lightweight Open Source webmail written in PHP and JavaScript