Level Creation

Compiler and Decompiler rolled into one tool

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

integrates into Hammer and allows conversion of Source Engine units into metric or imperial units.

Standalone Compiler for Source Maps

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

A tool to assist in the compiling of source engine maps

Create Displacements for your maps

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

GUI Compiler for Half-Life Maps

Simple tool for converting world units into Hammer Units

Valve Map Extractor modified version (Successor to VMEX)

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

Lists maps for easy maplist.txt

Used to take source-css console commands and convert them into .vmf-compatible commands.

Small prefab to help protect your map

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

Batch map compiler for GoldSrc

Frontend wrapper for netvis

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

This is a tool for showing leaks in a map made in WordCraft.

Windows interface that frontends the compiling utilities

Useful tool for extracting the contents of BSP files

This is a modified VBSP that does not delete prop_static entities using models with propdata

The Official Editor for Valve Games

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

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

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

Preview a map contained in a BSP file.

Well made Russian Level Editor for GoldSrc

A GUI tool for embedding custom content

GUI frontend for Source compiling tools

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

Editor used for 007 Nightfire map creation

Decompile Source .bsp files into Hammer .vmf files. Successor to VMEX

Valve Map Extractor, Decompile BSP maps for source (original version)

Older program used for editing entities within bsp maps

Collection of various bspconv exes i have found around the net

ZHLT rebuilt and up to date with latest engine build

Alternative Map Editor for GoldSrc games

Analyzes and reports on errors in the map compilation process

View and Edit the Entity information of a compiled BSP Map

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

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

Random SP map generator for Half-Life

Modified Compiler with support for large models and textures

Create a Map using color information through 2D

Collection of the main tools required for mapping with GoldSrc

Decrypt files that have been protected with BSPProtect (commandline)

Update to ZHLT

Quake2/3 map surface generator

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

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

Modification of Source Valve Hammer Editor to fix some issues. Fixes brush vertex precision loss.

Convert Worldcraft 3.3 Maps into the Radiant Format

Edit light values inside a Maps RAD file

The only native Mac OS X level editor for Quake 1

BSP2OBJ is a command-line utility capable of converting Quake, Quake 2 and Half-Life map files into OBJ meshes

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

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

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

converts Minecraft files into vmf files

Convert maps between Quake3 and Half-Life

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

Multi Game Map Editor that supports Half-life

Inserts instances into a map

Identifies and archives all dependencies for bsp files.

Small collection of obfuscation techniques for maps

Tools supporting the creation of HDR Images for the Engine

Older free for personal use version of Terragen for sculpting landscapes

This tool blocks Hammer from converting plane coordinates to integers when exporting .map file and thus enables Hammer to output the original floating point coordinates.

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.

Collection of tools useful for mapping with GoldSrc

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

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

A tool for compiling maps from VMF to BSP format

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

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.

Edit the entities of Source and GoldSrc games

A tool for tweaking hammer settings and using multiple texture profiles