Discord (Official) + BetterDiscord
https://github.com/BetterDiscord/BetterDiscord
https://betterdiscord.app/
Powercord
A lightweight Discord client mod focused on simplicity and performance.
https://powercord.dev/
https://github.com/powercord-org
Ripcord
Alternative desktop chat client for Slack (and Discord)
https://cancel.fm/ripcord/
https://news.ycombinator.com/item?id=19617699
WebCord
A Discord and Fosscord web-based client made with the :electron:.
https://github.com/SpacingBat3/WebCord
Unicord
A free, open source Discord Client for Windows 10 and Windows Phone 10
https://github.com/UnicordDev/Unicord
ArmCord
ArmCord is a custom client designed to enhance your Discord experience while keeping everything lightweight.
https://github.com/ArmCord/ArmCord
