• Servers
  • Application server, a server dedicated to running certain software applications
  • Communications server, carrier-grade computing platform for communications networks
  • Database server, provides database services
  • Fax server, provides fax services for clients
  • File server, provides file services
  • Game server, a server that video game clients connect to in order to play online together
  • Standalone server, an emulator for client-server (web-based) programs
  • Web server, a server that HTTP clients connect to in order to send commands and receive responses along with data contents.
• Client-server, a software architecture that separates "server" functions from "client" functions
  • The X Server part of the X Window System
  • Peer-to-peer, a network of computers running as both clients and servers