Operating System: Arch Linux
Desktop environment: KDE Plasma
Terminal: Konsole, Yakuake
File manager: Dolphin
Web browser: Firefox, Chromium
Text editor: Kate, Vim
IDE: Code - OSS
Mail client: Thunderbird
Office: LibreOffice, Nextcloud
Notes: Xournal++, Nextcloud Notes
Chat: Element
Cloud storage: Nextcloud
Music: Jellyfin
Video and streaming: OBS Studio and PeerTube
Virtualization: QEMU/KVM
Gaming: RetroArch, MultiMC5 Offline