Telegram

Telegram Channels

• KDE Announcements
• Plasma News
• KDE VDG
• KDE Sysadmin News
• Planet KDE

Telegram Groups

Community

• Plasma Users

Development

• Plasma Development
• Plasma Mobile

VDG

• Main VDG room
• KDE Usability room
• Breeze Icons room
• Mobile HIG

WikiToLearn

WikiToLearn has its list of channels/groups here