MM:S addons:
[01] SourceMod (1.4.0-dev) by AlliedModders LLC
[02] L4DToolZ (1.0.0.10RC2) by Ivailosp
[04] DefibFix Extension (1.0.0.7) by V10
[05] Left 4 Downtown 2 Extension (0.5.3) by Igor "Downtown1" Smirnov / Andrew "XBetaAlpha" Burrows / AtomicStryker / Michael "ProdigySim" Busby
[06] SDK Tools (1.4.0-dev) by AlliedModders LLC
[02] L4DToolZ (1.0.0.10RC2) by Ivailosp
[04] DefibFix Extension (1.0.0.7) by V10
[05] Left 4 Downtown 2 Extension (0.5.3) by Igor "Downtown1" Smirnov / Andrew "XBetaAlpha" Burrows / AtomicStryker / Michael "ProdigySim" Busby
[06] SDK Tools (1.4.0-dev) by AlliedModders LLC
01 "L4D2 Survivor AI Trigger Fix" (1.0.9) by AtomicStryker
02 "Basic Info Triggers" (1.4.0-dev) by AlliedModders LLC
03 "Human tank in coop" (1.1) by D1maxa
04 "Fun Votes" (1.4.0-dev) by AlliedModders LLC
05 "Admin Menu" (1.4.0-dev) by AlliedModders LLC
06 "Admin File Reader" (1.4.0-dev) by AlliedModders LLC
07 "Player Commands" (1.4.0-dev) by AlliedModders LLC
08 "Client Preferences" (1.4.0-dev) by AlliedModders LLC
09 "Basic Chat" (1.4.0-dev) by AlliedModders LLC
10 "Anti-Flood" (1.4.0-dev) by AlliedModders LLC
11 "Advertisements" (0.5.5) by Tsunami
12 "CD Announcer" (2.3) by Fredd
13 "Fun Commands" (1.4.0-dev) by AlliedModders LLC
14 "Sound Commands" (1.4.0-dev) by AlliedModders LLC
15 "L4D SuperVersus" (1.5.4) by DDRKhat
16 "L4D Loading Bug Removal" (2.0.1) by lilDrowOuw
17 "Basic Commands" (1.4.0-dev) by AlliedModders LLC
18 "SuperLogs: L4D" (1.3.3) by psychonic
19 "RCON Lock" (0.6.7) by devicenull
20 "[L4D2] Custom admin commands" (1.0.9) by honorcode23
21 "Admin Help" (1.4.0-dev) by AlliedModders LLC
22 "L4D2 Ready Up" (0.17.3) by Downtown1 and Frustian
23 "[L4D] bebop" (0.3.4) by frool
24 "RP Tools" (1.0.0.0) by Krim
25 "[L4D/L4D2] VS Bug Fix" (2.9.3) by Pescoxa
26 "In-game Help Menu" (0.3) by chundo
27 "[L4D & L4D2] Gear Transfer" (1.5.7) by SilverShot
28 "[L4D] Advanced spawn medkit" (1.0) by Jonny
29 "[L4D] Restricted Zones" (1.1.3) by SkyDavid
30 "Basic Votes" (1.4.0-dev) by AlliedModders LLC
31 "IP range ban on MySQL" (1.0) by Cep>|< - Russian BugTrack Group
32 "HLstatsX CE Ingame Plugin" (1.6.13) by psychonic
33 "L4D1/2 Remove Lobby Reservation" (1.1.1) by Downtown1
34 "Weapon Logging" (2.8) by TTS Oetzel & Goerz GmbH
35 "[L4D/L4D2] Character Select Menu" (2.5b) by MI 5
36 "SourceBans" (1.4.9) by SourceBans Development Team
37 "SM AntiGay" (1.4) by Jonny
38 "Basic Comm Control" (1.4.0-dev) by AlliedModders LLC
39 Disabled: "Nextmap" (1.4.2-dev) by AlliedModders LLC
40 <Error> "[L4D2] Infected Fix Spawn" (1.2) by V10
41 <Error> "L4D Force Mission Changer" (1.4.0) by Dionys
02 "Basic Info Triggers" (1.4.0-dev) by AlliedModders LLC
03 "Human tank in coop" (1.1) by D1maxa
04 "Fun Votes" (1.4.0-dev) by AlliedModders LLC
05 "Admin Menu" (1.4.0-dev) by AlliedModders LLC
06 "Admin File Reader" (1.4.0-dev) by AlliedModders LLC
07 "Player Commands" (1.4.0-dev) by AlliedModders LLC
08 "Client Preferences" (1.4.0-dev) by AlliedModders LLC
09 "Basic Chat" (1.4.0-dev) by AlliedModders LLC
10 "Anti-Flood" (1.4.0-dev) by AlliedModders LLC
11 "Advertisements" (0.5.5) by Tsunami
12 "CD Announcer" (2.3) by Fredd
13 "Fun Commands" (1.4.0-dev) by AlliedModders LLC
14 "Sound Commands" (1.4.0-dev) by AlliedModders LLC
15 "L4D SuperVersus" (1.5.4) by DDRKhat
16 "L4D Loading Bug Removal" (2.0.1) by lilDrowOuw
17 "Basic Commands" (1.4.0-dev) by AlliedModders LLC
18 "SuperLogs: L4D" (1.3.3) by psychonic
19 "RCON Lock" (0.6.7) by devicenull
20 "[L4D2] Custom admin commands" (1.0.9) by honorcode23
21 "Admin Help" (1.4.0-dev) by AlliedModders LLC
22 "L4D2 Ready Up" (0.17.3) by Downtown1 and Frustian
23 "[L4D] bebop" (0.3.4) by frool
24 "RP Tools" (1.0.0.0) by Krim
25 "[L4D/L4D2] VS Bug Fix" (2.9.3) by Pescoxa
26 "In-game Help Menu" (0.3) by chundo
27 "[L4D & L4D2] Gear Transfer" (1.5.7) by SilverShot
28 "[L4D] Advanced spawn medkit" (1.0) by Jonny
29 "[L4D] Restricted Zones" (1.1.3) by SkyDavid
30 "Basic Votes" (1.4.0-dev) by AlliedModders LLC
31 "IP range ban on MySQL" (1.0) by Cep>|< - Russian BugTrack Group
32 "HLstatsX CE Ingame Plugin" (1.6.13) by psychonic
33 "L4D1/2 Remove Lobby Reservation" (1.1.1) by Downtown1
34 "Weapon Logging" (2.8) by TTS Oetzel & Goerz GmbH
35 "[L4D/L4D2] Character Select Menu" (2.5b) by MI 5
36 "SourceBans" (1.4.9) by SourceBans Development Team
37 "SM AntiGay" (1.4) by Jonny
38 "Basic Comm Control" (1.4.0-dev) by AlliedModders LLC
39 Disabled: "Nextmap" (1.4.2-dev) by AlliedModders LLC
40 <Error> "[L4D2] Infected Fix Spawn" (1.2) by V10
41 <Error> "L4D Force Mission Changer" (1.4.0) by Dionys