Level Creation

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

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

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

GUI Compiler for Half-Life Maps

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

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

Alternative Map Editor for GoldSrc games

Update to ZHLT

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

Inserts instances into a map

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

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

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

A GUI tool for embedding custom content

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

Tool for compiling Maps from hammer

Tools supporting the creation of HDR Images for the Engine

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

GUI frontend for Source compiling tools

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

Generate forests within your maps based on surface type

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

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

Preview a map contained in a BSP file.

Rotates selected entity types in a map

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

Batch compiler for automating Map Compilation

The Official Editor for Valve Games

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.

Batch compile Source and GoldSrc Maps

Generates Terrain for Games

A tool to assist in the compiling of source engine maps

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

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

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

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

Multi Game Map Editor that supports Half-life

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

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

Create an easily readable version of an FGD (commandline)

Simple tool for converting world units into Hammer Units

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

Small application for viewing map files, Superseded by crafty

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

A tool for compiling maps from VMF to BSP format

Useful tool for extracting the contents of BSP files

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

Identifies and archives all dependencies for bsp files.

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.

Q3 .map to HL2 .vmf converter

Open-source library for reading and editing BSP files

This tool can help you by grouping the map into VisGroups based on a grid.

Generate mazes for your level in GoldSrc

hlfix is a tool that converts Worldcraft/VHE format files (.rmf) to standard .map files

Simple tool to change VTF versions from 7.5 to 7.4

Edit the entities of Source and GoldSrc games

Collection of various bspconv exes i have found around the net

Analyzes and reports on errors in the map compilation process

Collection of the main tools required for mapping with GoldSrc

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

This is an modified version of VHLT v34 by Uncle Mike designed for the Xash3D engine (bsp v31)

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

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

Custom DLL that supports transparency in Half-Life for Steam

Lists maps for easy maplist.txt

A small collection of FGD's for Source

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

Modified Compiler with support for large models and textures

The only native Mac OS X level editor for Quake 1

Alternative Map Editor for GoldSrc games

Small prefab to help protect your map

Windows interface that frontends the compiling utilities

Small tool for generating Random Source Maps

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

Random SP map generator for Half-Life

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

Well made Russian Level Editor for GoldSrc

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

Decompile GoldSrc .bsp files into Hammer .map files.

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