Utilities

Alternative to Resgen, Download at own risk

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

Tool for porting your GoldSource maps to Source. It features many fixes that will save hours of mindless work.

a tool for game replays recorded with Half-Life.

PakRat is a graphical replacement for the BSPZIP program

OpenGL wrapper for Direct3D

Automatically makes a blank mod!

tool for converting closed-captions files for Source engine games

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

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

Edit the UI colors in Worldcraft

Valve Source Engine game language resource file localization tool

Windows gadget for the source sdk

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

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

Content installer for some source games

TF2 demo parsing in javascript

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

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

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

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.

Launches source sdk for Portal

Automatically saves demos recored in source engine games

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

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

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

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

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

Documentation for the goldsrc sdk entities

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.

Launcher tool for Half-Life

A GUI for both VTEX and studiomdl.

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

Very useful tool when working with faceposer and creating dialog

Demo files to benchmark Half-Life 2

Generate RES files for your maps

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

simple command line program that converts v13 packed addons to v12

simple command line program that converts v13 packed addons to v12

Spreadsheet listing HL2 models

High definition pack for Half-Life and Opposing Force

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

Large collection of all the typical tools used in Modding

This is a simple interpreter library for the Source Config.

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

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

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

Miscellaneous programs which use Steam data

Great little tool for adding VMF associations to specific Hammer Versions

Render smoother Source Engine videos, faster.

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

GUI frontend for BZIP2

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

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

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

Defacto tool for extracting content from steam archives

An assortment of java classes for working with the source engine

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

PakScape is a PAK and PK3 explorer/creator

Valve Integrated Development Environment

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

Add thumbnail support for VTF files in windows

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

Create custom shaders for Source from a node based interface

Manages custom content for steam games

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