/nixpkgs/nixos/modules/services/

• ../
• admin
• amqp
• audio
• backup
• blockchain
• cluster
• computing
• continuous-integration
• databases
• desktop-managers
• desktops
• development
• display-managers
• editors
• finance
• games
• hardware
• home-automation
• logging
• mail
• matrix
• misc
• monitoring
• network-filesystems
• networking
• printing
• scheduling
• search
• security
• system
• torrent
• tracing
• ttys
• video
• wayland
• web-apps
• web-servers
• x11