Utilities

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#.

Checks for errors in your map

Source Engine Scripting and Administration

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

Documentation for the goldsrc sdk entities

Launcher tool for Half-Life

a tool for game replays recorded with Half-Life.

OpenGL wrapper for Direct3D

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

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

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

Parse Source SDK '.wc' files.

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

simple command line program that converts v13 packed addons to v12

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

Generate RES files for your maps

Render smoother Source Engine videos, faster.

simple command line program that converts v13 packed addons to v12

tool for converting closed-captions files for Source engine games

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

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

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.

WAD Compiler

Spreadsheet listing HL2 models

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

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

This is a simple interpreter library for the Source Config.

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

GUI frontend for BZIP2

Workshop tools for creating Nightfire content

Launches source sdk for Portal

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

Valve Source Engine game language resource file localization tool

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

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

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

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

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

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

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

FGD highlighting for Sublime Text editor

This is a simple interpreter library for the Source Config.

Valve Integrated Development Environment

Development environment for Garrys mod Lua files

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

benchmarking tool for Linux OpenGL games

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

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

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

Rip DirectX content from games

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.

Source and GoldSrc Query Tool

OmniToolz is a tweaker made for all games out there!

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

Demo files to benchmark Half-Life 2

Manages custom content for steam games

Create custom shaders for Source from a node based interface

Create cues in WAV sound files

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

A PoC library for working with the VConsole network protocol.

An assortment of java classes for working with the source engine

Syntax highlighting for Valve formats in Sublime Text

selection of icons for Valve filetypes making development on windows easier

Collection of icons for valve games

Miscellaneous programs which use Steam data

An assortment of java programs for working with the source engine

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