Utilities

tool for converting closed-captions files for Source engine games

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

FGD highlighting for Sublime Text editor

Automatically makes a blank mod!

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

An NPM package for manipulating FGD (Forge Game Data) files.

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.

A GUI for both VTEX and studiomdl.

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

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

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

Manages custom content for steam games

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

Extract content from game archive files

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

Extract the contents of VPK files

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

Content installer for some source games

Valve Integrated Development Environment

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

Valve Data File Parsing library.

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

Defacto tool for extracting content from steam archives

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#.

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

Create cues in WAV sound files

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

PakScape is a PAK and PK3 explorer/creator

Tool to aid in the creation of WAV files

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

Large collection of all the typical tools used in Modding

a tool for game replays recorded with Half-Life.

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

Edit the UI colors in Worldcraft

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

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.

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

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

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

Great little tool for adding VMF associations to specific Hammer Versions

Launches source sdk for Portal

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

Alternative to Resgen, Download at own risk

Valve Source Engine game language resource file localization tool

Launcher tool for Half-Life

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

OmniToolz is a tweaker made for all games out there!

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

simple command line program that converts v13 packed addons to v12

PakRat is a graphical replacement for the BSPZIP program

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

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

Checks for errors in your map

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

Create custom shaders for Source from a node based interface

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

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

Automatically saves demos recored in source engine games

Collection of icons for valve games

A PoC library for working with the VConsole network protocol.

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

Workshop tools for creating Nightfire content

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.

Development environment for Garrys mod Lua files

Add thumbnail support for VTF files in windows

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.

An assortment of java programs for working with the source engine

Simple movie recording tool for Source Engine games