Utilities

Create cues in WAV sound files

Adds TGA Thumbnails in windows

Spreadsheet listing HL2 models

AMD dropped opengl support at one stage for their drivers and this helps rectify the issue

Great little tool for adding VMF associations to specific Hammer Versions

OmniToolz is a tweaker made for all games out there!

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.

Windows gadget for the source sdk

Add thumbnail support for VTF files in windows

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.

Valves VR toolkit for the HTC Vive

selection of icons for Valve filetypes making development on windows easier

Workshop tools for creating Nightfire content

A GUI for both VTEX and studiomdl.

HLViewer is a simple to use javascript library for viewing maps and playing replays of GoldSrc engine based games entirely in browser

Simple movie recording tool for Source Engine games

Alternative to Resgen, Download at own risk

Development environment for Garrys mod Lua files

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

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

Content installer for some source games

Javascript parser for valve gui files -- ported from optf2's vgui.py

Very useful tool when working with faceposer and creating dialog

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

a free open source tool that can be used for tuning and cleaning up Steam and Source engine games.

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

Tool (Utility) for generating .res files for GoldSource .bsp engine maps

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.

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

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

Makes starting Source based game server as easy as possible

Tool to aid in the creation of WAV files

An assortment of java classes for working with the source engine

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.

Launch mods for Half-Life

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

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

TM GCF Extractor

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

Sublime Text filter system that searches the Valve wiki for the input text

GUI frontend for BZIP2

Notepad++ syntax highlighting for Valve files

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

Valve Source Engine game language resource file localization tool

A PoC library for working with the VConsole network protocol.

benchmarking tool for Linux OpenGL games

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

Automatically saves demos recored in source engine games

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

Source Engine Scripting and Administration

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

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

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

Source Multi-Tool is meant as a replacement to Valves Source SDK Launcher

Valve Data File Parsing library.

Demo files to benchmark Half-Life 2

This is a simple interpreter library for the Source Config.

An ambitious attempt at providing a WYSIWYG HUD editor for Source based games

Half-Life 1 Scripting and Administration

Large collection of all the typical tools used in Modding

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

WAD Compiler

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

extract gcfs

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

Manages custom content for source engine games

Source and GoldSrc Query Tool

High definition pack for Half-Life and Opposing Force