Utilities

An assortment of java programs for working with the source engine

Generate RES files for your maps

Extract content from game archive files

An assortment of java classes for working with the source engine

A collection of tools and libraries for the Source Engine on the Xbox 360

Sound editing tool, useful for looping by adding cues

Launches source sdk for Portal

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.

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

Demo files to benchmark Half-Life 2

Automatically makes a blank mod!

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

For working with the same data Steam relies on

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

Valve Integrated Development Environment

This is a pixel shader for bloom-like effects on any Half-Life engine game.

Render smoother Source Engine videos, faster.

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

Defacto tool for extracting content from steam archives

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

Miscellaneous programs which use Steam data

Manages custom content for steam games

Extract the contents of VPK files

Simple movie recording tool for Source Engine games

A collection of tools to help with modding

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

Source and GoldSrc Query Tool

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.

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

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

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

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

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

A PoC library for working with the VConsole network protocol.

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

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

Valve Data File Parsing library.

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.

Adds TGA Thumbnails in windows

PackBSP is a tool to help automatically manage and pack dependencies in custom maps for games

Development environment for Garrys mod Lua files

a collection of tools to enrich GoldSrc

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

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

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

Documentation for the goldsrc sdk entities

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

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

Alternative to Resgen, Download at own risk

Add thumbnail support for VTF files in windows

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

The second release of 007 Nightfire's PC modding tools originally released many years ago including Gearcraft, Model Compiler, Map Decompiler and more.

Manages custom content for source engine games

Spreadsheet listing HL2 models

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

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

WAD Compiler

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

This is a simple interpreter library for the Source Config.

Source Engine Scripting and Administration

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

PakRat is a graphical replacement for the BSPZIP program

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

Edit the UI colors in Worldcraft

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#.

simple command line program that converts v13 packed addons to v12

GUI frontend for BZIP2

Valves VR toolkit for the HTC Vive