Utilities

PakRat is a graphical replacement for the BSPZIP program

Make a .res file and populate a dir with all resources

WAD Compiler

Valve Data File Parsing library.

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#.

An assortment of java programs for working with the source engine

Source Sauce is a replacement out-of-game utility for the in-game options menu of Source Games.

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

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

Windows gadget for the source sdk

This tools manages your custom modifications for your Source based Steam games.

Create custom shaders for Source from a node based interface

vdfplus is a small library that aims to help with converting Valve's KeyValue format to JSON and vice versa.

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.

Great little tool for adding VMF associations to specific Hammer Versions

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

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

Generate RES files for your maps

Collection of loaders for game engine asset types. Currently supported: Half-Life BSP, MDL and SPR. (requires compilation)

C# library for reading/parsing & writing demo files produced by GoldSource (HL1) and Source-engine (HL2) based games

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

Demo files to benchmark Half-Life 2

Create cues in WAV sound files

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

Launcher tool for Half-Life

RESGen. A tool to create .res files for Half-Life.

Pak Explorer is a tool to help view and edit the contents of Qukae II PAK files

Launch mods for Half-Life

A metamod plugin that allows you to write server side plugins with C# on the GoldSrc engine

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

Defacto tool for extracting content from steam archives

Debug options for HL2 Deathmatch

High definition pack for Half-Life and Opposing Force

simple command line program that converts v13 packed addons to v12

selection of icons for Valve filetypes making development on windows easier

GUI frontend for BZIP2

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

Notepad++ syntax highlighting for Valve files

A GUI for both VTEX and studiomdl.

Valve Source Engine game language resource file localization tool

This simple script in batch add a button in the windows context menu for create files in VPK format

This is a simple interpreter library for the Source Config.

Render smoother Source Engine videos, faster.

Alternative to Resgen, Download at own risk

Sound editing tool, useful for looping by adding cues

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.

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

PiLauncher lists the mods installed on your favourite games to make them easy to launch

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

Work-in-progress Linux tool for manipulating .bsp files (Used by Valve's Source Engine to store map data)

Vice is Valve's tool for ICE encryption, a trick used mainly to protect weapon script files from modification by server admins.

Half-Life 1 Scripting and Administration

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

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

A PoC library for working with the VConsole network protocol.

An NPM package for manipulating FGD (Forge Game Data) files.

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

Add thumbnail support for VTF files in windows

Free and open source SDK launcher for Counter-Strike: Global Offensive and other source engine games

benchmarking tool for Linux OpenGL games

OmniToolz is a tweaker made for all games out there!

Valve Integrated Development Environment

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

Automatically makes a blank mod!

PakScape is a PAK and PK3 explorer/creator

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

tool for converting closed-captions files for Source engine games