Utilities

tool for converting closed-captions files for Source engine games

Launch mods for Half-Life

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

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

Simple movie recording tool for Source Engine games

Manages custom content for source engine games

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

Add thumbnail support for VTF files in windows

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

An assortment of java programs for working with the source engine

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

Generate RES files for your maps

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

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

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

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

Valve Source Engine game language resource file localization tool

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

simple command line program that converts v13 packed addons to v12

Rip DirectX content from games

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

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

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

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.

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

Automatically saves demos recored in source engine games

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

Manages custom content for steam games

A GUI for both VTEX and studiomdl.

Alternative to Resgen, Download at own risk

hlds (goldsrc) logs parser written in C#

Very useful tool when working with faceposer and creating dialog

extract gcfs

OmniToolz is a tweaker made for all games out there!

Workshop tools for creating Nightfire content

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

A PoC library for working with the VConsole network protocol.

benchmarking tool for Linux OpenGL games

Notepad++ syntax highlighting for Valve files

Content installer for some source games

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

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

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

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

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 movie recording tool for Source Engine games

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

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

Easily recreate your gui elements in other languages

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

For working with the same data Steam relies on

Syntax highlighting for Valve formats in Sublime Text

FGD highlighting for Sublime Text editor

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

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

Valve Data File Parsing library.

Windows gadget for the source sdk

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

Debug options for HL2 Deathmatch

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

Sound editing tool, useful for looping by adding cues

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

a collection of tools to enrich GoldSrc

Tool to aid in the creation of WAV files

Create cues in WAV sound files

Adds TGA Thumbnails in windows