Deathmatch
Action Half-Life, Adrenaline Gamer Mod, Darkmatch, Deathmatch Plus, Dragonball Z: Saiyan Strength, Gang Repulsive, Halflifability, Hostile Intent: Urban Warfare, Lambda Arena, Oz Deathmatch
Single Player
Area 51, Borked Hazard, Chemical Existence, Deliverance, Night at the Office, Parallax, Poke646, Project: Quantum Leap, Someplace Else
Teamplay
Day of Defeat, Natural Selection, Team Fortress Classic, Digital Splatter, Firearms Half-Life, Grand-Theft, International Online Soccer, Organized Crime, Power Forces, Project-Timeless, Science and Industry, Scientist Hunt, The Battle Grounds
Admin Mod
Offers news, overview, FAQ, installation guide, list of commands, help files, scripting, forum, and downloads.
AdminNow
An add-on program that allows server operators to better control game parameters. With instructions on operations, news, and forum.
Borderline Studios
Developers of the Half-Life modifications Russian Front, Suicide March and the Secrets of War.
Bullseye Crosshairs
Replacement crosshairs for Half-Life with instructions on installation.
Half-Life Quick Connector
HLQC is a compact tool to aid connecting to Half-Life servers.
NextWish's Gaming Modifications
Modifications and game fixes for Half-Life and Counter Strike.
Specialists Central
Provides skins, models and maps on weapons and players for the Half-Life mod.
Sven Co-op
An online cooperative Half-Life modification where players fight against AI controlled enemies.
The Black Mesa Facility
Reviews, FAQ, game information, downloads, and links.
The Half-Life Experience
Customizations, tutorials and tweaks for optimising your Half-Life.