Build your own message push service, support multiple message push
Amazon SNS message validation for PHP
Simple user messaging package for Laravel
Saves Discord chat logs to a file
Delete all messages in a Discord server
Distributed instant messaging system for developers
Distributed messaging and streaming platform with low latency
In-memory message queue with an Amazon SQS-compatible interface
Telegram Desktop messaging app
Efficient UDP unicast, UDP multicast, and IPC message transport
golang WeChat SDK
Chat client for Twitch
Redis client and message queue for Clojure
Modern XMPP ("Jabber") Chat Client using GTK/Vala
A reference implementation of the SimpleX Messaging Protocol
An unofficial .Net wrapper for the Discord API
Rapid spam filtering system
PingMe is a CLI which provides the ability to send messages or alerts
Desktop Telegram client with good customization and Ghost mode.
Lightweight, fault-tolerant message streams
The first messaging platform operating without user identifiers
LXMF client for Android, Linux and macOS to communicate with people
Fast and robust e-mail parsing library for Rust
An alternative Discord client with voice support made with C++ and GTK
Slack Notification Channel for laravel.