Utilities

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

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

OmniToolz is a tweaker made for all games out there!

For working with the same data Steam relies on

simple command line program that converts v13 packed addons to v12

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

Collection of icons for valve games

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#.

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

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.

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.

Checks for errors in your map

TF2 demo parsing in javascript

a tool for game replays recorded with Half-Life.

a collection of tools to enrich GoldSrc

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

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

This is a simple interpreter library for the Source Config.

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

Half-Life 1 Scripting and Administration

Syntax highlighting for Valve formats in Sublime Text

Development environment for Garrys mod Lua files

Extract content from game archive files

Alternative to Resgen, Download at own risk

Valves VR toolkit for the HTC Vive

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

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

Very useful tool when working with faceposer and creating dialog

An assortment of java programs for working with the source engine

Demo files to benchmark Half-Life 2

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

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

PakRat is a graphical replacement for the BSPZIP program

Simple movie recording tool for Source Engine games

Launcher tool for Half-Life

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

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

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

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

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

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

TM GCF Extractor

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

Easily recreate your gui elements in other languages

OpenGL wrapper for Direct3D

Generate RES files for your maps

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

Simple movie recording tool for Source Engine games

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

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

Rip DirectX content from games

extract gcfs

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

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

Valve Data File Parsing library.

Edit the UI colors in Worldcraft

A GUI for both VTEX and studiomdl.

Automatically makes a blank mod!

Manages custom content for steam games

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

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

Sound editing tool, useful for looping by adding cues

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

GUI frontend for BZIP2

PakScape is a PAK and PK3 explorer/creator

Spreadsheet listing HL2 models

hlds (goldsrc) logs parser written in C#