Level Creation

This program will help you to manage all your customs files, for your maps , texture, models or mods

Generates Terrain for Games

A small collection of FGD's for Source

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.

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

Decompiles some BSP maps with most support for Nightfire 007

Generate mazes for your level in GoldSrc

Random SP map generator for Half-Life

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

Small prefab to help protect your map

Compiler and Decompiler rolled into one tool

Displays all options for, and facilitates, compiling maps for Nightfire

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

Similar to ZHLT for Goldsrc, it speeds up compilation for Source

Quake Army Knife, multi-purpose tool for games based on or similar to the Quake engine

A GUI tool for embedding custom content

Analyzes and reports on errors in the map compilation process

This tool is used to create the smallest convex brush containing all points in the input file. Input file can be .smd (use its vertexes), .map (brushes and point entities) or .pts file.

Contains 3 Tools, BSP_View, BSP_Tool and BSP_Slicer all of which perform useful tasks on Half-Life Maps

RandMap is a random map generator for Half-Life

Convert maps between Quake3 and Half-Life

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

Another great tool from RedMser which tracks Hammers compilation progress even when it seems to hang

ZHLT rebuilt and up to date with latest engine build

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

Crafty is a 3D object, material, model and file browsing utility for Source & GoldSrc Maps.

Q3 .map to HL2 .vmf converter

Decompile GoldSrc .bsp files into Hammer .map files.

Useful tool for extracting the contents of BSP files

Preview a map contained in a BSP file.

GUI Compiler for Source Maps

Small tool for generating Random Source Maps

Free, Opensource, drop-in editor replacement for Hammer

Create a custom light style for your goldSrc maps

Generates displacements that would usually take an extremely long time, or just be impossible to do in Hammer.

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

Edit the entities of Source and GoldSrc games

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

Rotates selected entity types in a map

Hack the colors in WorldCraft

Color Correct is a 3DS Max texture plug-in which alters the colors of any texture

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

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

Batch map compiler for GoldSrc

Small collection of obfuscation techniques for maps

The only native Mac OS X level editor for Quake 1

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

Alternative Map Editor for GoldSrc games

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

Map viewer for Valve's GoldSrc engine (needs to be compiled)

OGLE is a rather amazing 3d tool that can extract shapes from 3d scenes being rendered on a computer screen

Open-source library for reading and editing BSP files

Create an easily readable version of an FGD (commandline)

A slimmed down copy of the Source SDK 2013 map compile tools

Older free for personal use version of Terragen for sculpting landscapes

automatically finds mapfiles to compile in the directory it is run

A collection of JavaScript functions to load Goldsource and Source map files and render them. Not an editor.

Windows interface that frontends the compiling utilities

A tool to assist in the compiling of source engine maps

Standalone Compiler for Source Maps

a 3D Shape Generator for the Quake & Half-Life Map Format

Great little application for viewing skys used in game

Map Resource Extractor (MRE) is a small program that reads the VMF, and only copies the content that has been used in the map.

List Maker automatically generates your maplist.txt and mapcycle.txt, it can be further used for making lists outside of Maplist making.

Quake2/3 map surface generator

Convert Worldcraft 3.3 Maps into the Radiant Format

C# library that will parse Quake/Half-Life MAP files

Identifies and archives all dependencies for bsp files.

Valve Map Extractor modified version (Successor to VMEX)

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.

Custom DLL that supports transparency in Half-Life for Steam

Convert .BSP files to .MAP files & Extract files from .PAK or .SIN files

A tool for tweaking hammer settings and using multiple texture profiles

The Original official mapping utility from Valve

Small utility for helping protect bsp maps

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

GUI frontend for Source compiling tools

Simple bindings for debugging maps

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.

It is another type of solid which is perfect for creating terrain. A plugin for Hammer