Bots
BobaBot, DAMN-Bot, Federal Bots, HPB Bot, NNBot, PLBot, Podbot for Counter-Strike, RamboT, RealBot
Maps and Levels
Counter Strike 2D, Counter-Map, Counter-Strike Map Database, Counter-Strike Maps, CounterCraft, Cs-Maps, Maps by Cooley, Maps by ScarFace and Tommyknocker, MIK3's Counter-Strike Maps, Nemesis's Moonshine Maps
Bullseye Crosshairs
Has many crosshairs that replace games default sniper one.
Chicken Mod Plug-In
Allows admin to change a player into a chicken.
Condition Zero
Single player modification which allows control of a squad on specialized missions.
Counter strike 1.6 U.K
Includes skins, wallpaper, sprays, hints, tips and Counter-Strike lingo.
Counter-Strike Blood
A rare and free add-on file to increase the blood in Counter-Strike.
Slackillers Mapping
Counter-strike gaming, Half-Life mod textures, mapping, models, and outlaws mod.