Level Creation

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

A tool for compiling maps from VMF to BSP format

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.

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

Collection of tools useful for mapping with GoldSrc

Inserts instances into a map

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

Collection of the main tools required for mapping with GoldSrc

Adjust the light levels in a map

Compiler and Decompiler rolled into one tool

Aids in nthe process of converting GoldSrc maps into Source maps

Standalone Compiler for Source Maps

Tools supporting the creation of HDR Images for the Engine

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

Standalone Compiler for GoldSrc Maps

Create a custom light style for your goldSrc maps

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

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

The Official Editor for Valve Games

Open-source library for reading and editing BSP files

GUI Compiler for Half-Life Maps

Small application for viewing map files, Superseded by crafty

Great little application for viewing skys used in game

Generates Terrain for Games

Collection of various bspconv exes i have found around the net

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

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

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

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

Basic Model viewer for GoldSrc

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

Modified Compiler with support for large models and textures

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.

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

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

C# Library for working with BSP files (and other similar file formats).

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

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

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

Analyzes and reports on errors in the map compilation process

Hack the colors in WorldCraft

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.

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

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

A small collection of FGD's for Source

Identifies and archives all dependencies for bsp files.

Valve Map Extractor modified version (Successor to VMEX)

Alternative to Hammer Editor for Level design

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

Small collection of obfuscation techniques for maps

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

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

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

Lists maps for easy maplist.txt

Older program used for editing entities within bsp maps

GUI Compiler for Source Maps

Decrypt files that have been protected with BSPProtect (commandline)

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

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

Simple bindings for debugging maps

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

Preview a map contained in a BSP file.

Convert maps between Quake3 and Half-Life

Small prefab to help protect your map

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

Quake2/3 map surface generator

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

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

Modified versions of the tools used in the Map compilation process

Editor used for 007 Nightfire map creation

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

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

Batch compile Source and GoldSrc Maps

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

A collection of FGD's for GoldSrc

Generate forests within your maps based on surface type

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

Alternative Map Editor for GoldSrc games

Batch map compiler for GoldSrc

View and Edit the Entity information of a compiled BSP Map