mp_restartgame 1 - Restart game to the first round.
mp_warmup_start - Start the warmup.
mp_warmuptime (value) - Time of the warmup in minutes.
mp_warmup_end - Finish the warmup.
mp_roundtime (value) - Change the time of the round in minutes, maximum value is 60.
mp_freezetime (value) - Change preparation time in seconds, minimum value is 0.
mp_buy_anywhere 1 - Players can buy anywhere.
mp_friendlyfire 1 - Enable friendly fire.
mp_friendlyfire 0 - Disable friendly fire.
mp_limitteams (value) - Limit or players on your server.
mp_solid_teammates 1 - You can block or boost your teammates.
mp_solid_teammates 0 - You can't block or boost your teammates.
mp_forcecamera 1 - Locks the camera when you are dead.
mp_forcecamera 0 - Unlocks the camera when you are dead.
mp_c4timer (value) - Time of the bomb to detonate in seconds.

Ak-47 = give weapon_ak47
AUG = give weapon_aug
AWP = give weapon_awp
Desert Eagle = give weapon_deagle
Dual Berettas = give weapon_elite
Famas = give weapon_famas
Five-Seven = give weapon_fiveseven
G3SG1 = give weapon_g3sg1
Galil = give weapon_galilar
Glock-18 = give weapon_glock
P2000 = give weapon_hkp2000
M249 = give weapon_m249
XM1014 = give weapon_xm1014
M4A1-S = give weapon_m4a1_silencer
M4A4 = give weapon_m4a1
MAC-10 = give weapon_mac10
MAG-7 = give weapon_mag7
MP-7 = give weapon_mp7
MP-9 = give weapon_mp9
MP5-SD = give weapon_mp5sd
Negev = give weapon_negev
Nova = give weapon_nova
P250 = give weapon_p250
P90 = give weapon_p90
Sawed-Off = give weapon_sawedoff
Scar-20 = give weapon_scar20
SSG-08 = give weapon_ssg08
SG553 = give weapon_sg556
Tec-9 = give weapon_tec9
UMP-45 = give weapon_ump45
USP-S = give weapon_usp

Decoy = give weapon_decoy
Flashbang = give weapon_flashbang
HEGrenade = give weapon_hegrenade
Incendiary grenade = give weapon_incgrenade
Molotov = give weapon_molotov
Smoke Grenade = give weapon_smokegrenade
Taser = give weapon_taser
Defuser = give item_defuser
Armor and helmet = give item_vesthelm
Armor = give item_vest
C4 = give weapon_c4

Sv_cheats 1
Give weapon_knife_karambit;mp_drop_knife_enable 1;ent_fire weapon_knife addoutput "classname weapon_knifegg


Name of the knife = command, replace karambit by it (except if you like Karambit)
Bayonet = bayonet

Flip = flip

Gut = gut

Karambit = karambit

M9 Bayonet = m9_bayonet

Huntsman = tactical

Butterfly = butterfly

Falchion = falchion

Shadow Daggers = push

Golden Knife = knifegg

Bowie Knife = survival_bowie

Ursus = ursus

Navaja = gypsy_jackknife

Stiletto = stiletto

Talon = widowmaker

Spectral Knife = ghost

Classic = css

Survival = canis

Paracord = cord

Nomad = outdoor

Skeleton = skeleton

Sv_cheats 1
game_mode 0;game_type 6
mp_drop_knife_enable 1
Give weapon_fists;ent_fire weapon_knife addoutput "classname weapon_knifegg


Fists = fists

Axe = axe

Hammer = hammer

Spanner = spanner

Tablet (useless) = tablet

BOT
bot_difficulty 0 - Easy difficulty.
bot_difficulty 1 - Normal difficulty.
bot_difficulty 2 - Hard difficulty.
bot_difficulty 3 - Expert difficulty.
bot_kick - Kick all bots from your server.
bot_kick ct - Kick all Counter-Terrorists bots.
bot_kick t - Kick all Terrorists bots.
bot_kick (ex:Opie) - Kick a bot named opie.
mp_respawn_on_death_ct 1;mp_respawn_on_death_t 1 - Respawn on death
bot_crouch 1 - All bots crouch.
bot_quota (value) - Limit of bots, default value is 10
bot_dont_shoot 1 - Bots don't shoot you.
bot_knives_only 1 - Bots use only their knife.
bot_allow_grenades 0 - Bots don't use grenades, default value is 1.
bot_allow_machine_guns 0 - Bots don't use machine-guns, default value is 1
bot_allow_pistols 0 - Bots don't use pistols, default value is 1
bot_allow_rifles 0 - Bots don't use rifles, default value is 1
bot_allow_shotguns 0 - Bots don't use shotguns, default value is 1
bot_allow_snipers 0 - Bots don't use snipers, default value is 1
bot_allow_sub_machine_guns 0 - Bots don't use submachine-guns, default value is 1
bot_all_weapons - Bots use all weapons.

Crosshair styles:
cl_crosshairstyle 0 - Default (dynamic)
cl_crosshairstyle 1 - Default (static)
cl_crosshairstyle 2 - Classic style
cl_crosshairstyle 3 - Classic style (dynamic)
cl_crosshairstyle 4 - Classic style (static)

Crosshair outlining:
cl_crosshair_drawoutline 1 - Enable crosshair outlining, default value is 0.

Center dot:
cl_crosshairdot 0 - Disable center dot, default value is 1.

Crosshair size:
cl_crosshairsize (value) - Changes your crosshair size.

Crosshair larger:
cl_crosshairthickness (value) - Changes your crosshair larger.

Crosshair gap:
cl_crosshairgap (value) - Changes your crosshair gap.

Grenades
sv_grenade_trajectory 1 - Shows a trajectory when you throw grenades.
sv_grenade_trajectory_time (value) - Sets the time the trajectories are shown in seconds.

Bullet impacts
sv_showimpacts 1 - Show bullet impacts.
sv_showimpacts_time (value) - Sets the time the bullet impacts are shown in seconds.
sv_showimpacts_penetration 1 - Will show you if the bullets go through.

net_graph 1 - This is the best way to see your FPS and ping while playing.
cl_showfps 1 - You can see your FPS on the map that you are playing.
fps_max (value) - FPS limit.

Bunnyhopping
sv_enablebunnyhopping 1;sv_autobunnyhopping 1;sv_airaccelerate 240 - Bunnyhopping.

Wallhack
r_drawothermodels 1 - Default value.
r_drawothermodels 2 - Wallhack.

mat_wireframe 0 - Default value.
mat_wireframe 2 - Wallhack.


Invicible
god - You are invincible.

Infinite ammo
sv_infinite_ammo 0 - Default value.
sv_infinite_ammo 1 - Infinite ammo.
sv_infinite_ammo 2 - infinite ammo with reload.

No flashes
mat_fillrate 0 - Default value.
mat_fillrate 1 - No flashes.


No smokes
r_drawparticles 0 - No smokes.
r_drawparticles 1 - Default value.

Speedhack
host_timescale (value) - Set it to 0 (default value) or 5 (speedhack).
host_framerate (value) - Set it to 0 (default value) or 50 (speedhack).

No recoil
weapon_accuracy_nospread "1";weapon_debug_spread_gap "1";weapon_recoil_cooldown "0";weapon_recoil_decay1_exp "99999";weapon_recoil_decay2_exp "99999";weapon_recoil_decay2_lin "99999";weapon_recoil_scale "0";weapon_recoil_suppression_shots "500";weapon_recoil_view_punch_extra 0 - No recoil.

Aimbot
ent_fire cs_bot AddOutput "ModelScale 0";enable_skeleton_draw 1 - "Aimbot" (but you have to look in the direction on your enemy) with a wallhack.

Thanks to Mederick_Vador, who took screenshots and tested all these commands.
Thanks to Maverick_Sidious, who wrote this entire guide.