Dorion is described as 'Lightweight Discord client with themes, plugins, and more. It uses minimal storage space, eliminating the need for Node.js runtime and a bundled Chromium browser. It offers cache clearing options and has smaller installation files than many alternatives' and is an app. There are more than 10 alternatives to Dorion for a variety of platforms, including Web-based, Windows, Linux, Mac and Android apps. The best Dorion alternative is Telegram, which is free. Other great apps like Dorion are Discord, Matrix, Stoat Chat and Mumble.
Colibri is an open source chat platform built on the AT protocol for communities big and small. It gives you the ability to create communities, manage members, and communicate through text, voice, and forum channels, all while maintaining true ownership of your data.
