Utilities

Development environment for Garrys mod Lua files

Launch mods for Half-Life

Ctx converter removes the hassle of having to type in correct cmd commands to decompile ctx files

Compression tool used to create small files that can be transmitted by servers to gamers

A collection of tools to help with modding

A PoC library for working with the VConsole network protocol.

Checks for errors in your map

Drop items (vpk you want to extract or folders you want to convert to vpk) onto the App Icon

Resguy is similar to RESgen and FLRGen, but can find all content that Sven Co-op maps are allowed to customize and only includes what is required

A collection of tools to help with modding

An assortment of java classes for working with the source engine

Edit the UI colors in Worldcraft

This is an all-in-one kit that comes with both Hammer 3.4 and 3.5, Auto Seamer, Batch Compiler, BSP Viewer, BSP2MAP, Crafty, GCF Scape, Leak Marker, MAP Viewer, Model Viewer, PAK Explorer, Revolver, Sprite Explorer, Sprite Fixer, Sprite Viewer, Sprite Wizard, Terrain Generator, Texture Extractor, Valve Compile Tools, Wally, WinBSPC, and ZHLT.

This is a C# library to manage GoldSrc specific files.

Content installer for some source games

Half-Life Launch Pad is an application to ease the process of loading mods and maps for Source and GoldSource.

Alternative to Resgen, Download at own risk

This tool was manly made to extract out the mapname of GoldSrc- and Source Engine demofiles and place it in the name of the demofile itself.

Great little tool for adding VMF associations to specific Hammer Versions

selection of icons for Valve filetypes making development on windows easier

You scan for the maps., Then select the map. There you go. Just right there at your desktop

This new render dll's support transparent models in many new MOD's.

OpenGL wrapper for Direct3D

Very useful tool when working with faceposer and creating dialog

With Captioneer you can easily create your own Closed Captions for Source-based Games, like for Team Fortress 2.

Defacto tool for extracting content from steam archives

Automatically saves demos recored in source engine games

Valve Data File Parsing library.

Easily recreate your gui elements in other languages

Tools for aiding in the creation of animations for view player models

a collection of tools to enrich GoldSrc

Extract the contents of VPK files

Allows users to change the settings for the compiler(s) they wish to run

WebGL app that renders levels from the Source Engine, created against Team Fortress 2 resources. The Source Engine and anything related to it is the property of Valve Software, who does not authorize or endorse this project in any way.

netdecode is a utility for parsing and analysing data within demo files produced by Valve's Source engine (only the Orange Box branch for now). This is primarily a tool for testing and reference. Poorly written in C#.

Collection of icons for valve games

Collection of simple icons for Source related content (This version is from Riintouge)

Launches source sdk for Portal

hlds (goldsrc) logs parser written in C#

Silence unwanted and annoying game sounds. (Half-life goldscr engine)

Simple movie recording tool for Source Engine games

tool for converting closed-captions files for Source engine games

An assortment of java programs for working with the source engine

A development integration and project building tool for Source Engine modders.

Tools which can decompress and compress Nightfire's .007 archives.

PakRat is a graphical replacement for the BSPZIP program

Source Engine based Project Cleaner - Primarily for SDK 2013 to make certain files more Linux & Mac friendly.

HLLib is a package library for Half-Life that abstracts several package formats

Just extract this somewhere and drag your demo file onto it and it'll remove all the scoreboards and command menus from demos.

Allows console commands to be sent to source-engine games (hl2.exe). Works with text-mode clients.

Valve Source Engine game language resource file localization tool

This is a set of scripts that make VMPI workers easier, vmpi is used for network distributed map compiling

Here are compiled versions of some of the tools from the source sdk released on 12/1/2004.

A utility that automatically generates a formatted .kv file based on your selection.

TM GCF Extractor

Launcher tool for Half-Life

Automatically makes a blank mod!

Generate RES files for your maps

PakScape is a PAK and PK3 explorer/creator

This Project aims to provide a parser which parses the log output of the goldsrc hlds engine (Counter-Strike, Half-Life, etc.). There is a parser written with ragel and one written by hand.

Half-Life 1 Scripting and Administration

Benchmark which introduced some of the new and more advanced features of the Source engine and Valve's hybrid threading technology

A GUI for both VTEX and studiomdl.

VOGL is a debugger for the OpenGL rendering API intended to be used in the development of video games

A half life dedicated server (goldsrc) management tool written in ruby

fixes 'bad inline model number #, worldmodel not yet setup' errors

Demo files to benchmark Half-Life 2

Large collection of all the typical tools used in Modding