Level Creation

The open source, cross platform level editor for idtech games (GTKRadiant fork)

Custom DLL that supports transparency in Half-Life for pre Steam WON

Update to ZHLT

automatically finds mapfiles to compile in the directory it is run

Small utility for helping protect bsp maps

Modify the entities of a .map file by editing its text

Create a Map using color information through 2D

A tool to generate cl_leveloverview from BSP files

Inserts instances into a map

The Original official mapping utility from Valve

Creates .Res files for Source games running on a server

Older free for personal use version of Terragen for sculpting landscapes

Compiler and Decompiler rolled into one tool

this will pack every custom item into your map up to and including map over views

Generate mazes for your level in GoldSrc

GUI Compiler for Half-Life Maps

Collection of the main tools required for mapping with GoldSrc

Quake2/3 map surface generator

Tools supporting the creation of HDR Images for the Engine

A graphical interface for creating and editing Half-Life FGD Files.

A GUI tool for embedding custom content

Decompile GoldSrc .bsp files into Hammer .map files.

This is Badger. It's a tool to generate levels for Half-Life 2, Black Mesa.

Lists maps for easy maplist.txt

Generate forests within your maps based on surface type

Optimizes the entities in compiled maps, allowing you to include more entities and also reduce network traffic.

Simple tool to dump raw data from Valve's map files.

The open source, cross platform level editor for id Tech games.

Batch map compiler for GoldSrc

Valve Batch Compile tool (VBCT) is a source map Compile tool

Generates Terrain for Games

Edit light values inside a Maps RAD file

HammerMate is a tool I use to save and load the wad texture list for Hammer 3.4 / 3.5.

Aids in nthe process of converting GoldSrc maps into Source maps

Alternative Map Editor for GoldSrc games

Removes entity names from your map and helps prevent people from stealing your work

The Calliper editor (formerly Crowbar) is designed to be a cross-platform, extensible level editor that accelerates the creation of computer game maps, and is targeted specifically at Source engine games.

Simple tool for converting world units into Hammer Units

This program adds custom content to a BSP. It is a GUI version of Valve's bspzip.

Collection of various bspconv exes i have found around the net

Simplest Pak extractor ever. Just pick a map and click the button

Entspy is program for viewing and editing the entities of compiled map

Some Dev Texture guides to aid with level creation

This program will create a half-life2 displacement map from a heightmap image.

Find, display, and optionally round floating point plane coordinates in Source engine .vmf files.

Batch files for killing the compile processes

GUI frontend for Source compiling tools

Decompiles some BSP maps with most support for Nightfire 007

Analyzes and reports on errors in the map compilation process

Hack the colors in WorldCraft

View and Edit the Entity information of a compiled BSP Map

Legacy compilation tools for quake

Standalone Compiler for GoldSrc Maps

Joiner is a little application that reads in a template .vmf file and produces a new .vmf filled with supports based on your template and customised settings or config.

Modified versions of the tools used in the Map compilation process

Open-source library for reading and editing BSP files

DirectX based application to open and view Half Life 1 game files (Source Code)

fixes the annoying Navigation Mesh was built using a different version of this map

Small Tool for extracting Textures from BSPs and into WADs. Includes GUI Versions WinTextract & Textract Suite

Create a custom light style for your goldSrc maps

Small application for viewing map files, Superseded by crafty

Simple bindings for debugging maps

Generate a random map for Half-Life based on criteria you set in the application

Great little command line tool for creating a backup of your map during the compile process

A small collection of FGD's for Source

Modified Compiler with support for large models and textures

VSIF2VCD is a command line scenes.image extractor/decompiler.

GUI Compiler for Source Maps

Small tool for generating Random Source Maps

Tools to aid in creation of HDR Targa files (command line)

Worldcraft Hammer Editor Map Compiler is a set of .bat files that make the process of compiling and developing .bsp maps from .vmf files an easy and fun task.

This program is a little tool for those that like the Half-Life game, with
its amazing kind of enemies and weapons.

makes textfiles to go with your overview pictures from Half-Life maps.

Convert maps between Quake3 and Half-Life

RandMap is a random map generator for Half-Life

Batch compiler for automating Map Compilation

Valve Map Extractor modified version (Successor to VMEX)

converts Minecraft files into vmf files

Alternative Map Editor mainly used for Quake 2 but compatible with GoldSrc

Tool for compiling Maps from hammer