Level Creation

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

Hack the colors in WorldCraft

A tool for tweaking hammer settings and using multiple texture profiles

Identifies and archives all dependencies for bsp files.

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

Batch compile Source and GoldSrc Maps

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

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

converts Minecraft files into vmf files

Alternative to Hammer

Alternative Map Editor for GoldSrc games

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

A small collection of FGD's for Source

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

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

A tool to assist in the compiling of source engine maps

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

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

Compiler and Decompiler rolled into one tool

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

Older free for personal use version of Terragen for sculpting landscapes

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

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

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

Create an easily readable version of an FGD (commandline)

Simple tool for converting world units into Hammer Units

Alternative to Hammer Editor for Level design

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

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

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

Valve Map Extractor modified version (Successor to VMEX)

Analyzes and reports on errors in the map compilation process

Basic Model viewer for GoldSrc

Creates .Res files for Source games running on a server

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

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

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

Inserts instances into a map

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 compiler for automating Map Compilation

Tool for compiling Maps from hammer

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

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

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

Allows you to create interesting 3D shapes without going through all the hassle of vertex manipulation

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

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

Windows interface that frontends the compiling utilities

ZHLT rebuilt and up to date with latest engine build

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

Aids in nthe process of converting GoldSrc maps into Source maps

Frontend wrapper for netvis

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

A GUI tool for embedding custom content

RandMap is a random map generator for Half-Life

A tool to generate cl_leveloverview from BSP files

Modified versions of the tools used in the Map compilation process

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.

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

A modified version of VBSP designed to greatly increase the maximum width and length of visleaves.

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

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

Multi Game Map Editor that supports Half-life

Modified Compiler with support for large models and textures

Generates Terrain for Games

Useful tool for extracting the contents of BSP files

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

Older program used for editing entities within bsp maps

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

Create a Map using color information through 2D

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

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

This project is a prototype map renderer for Half-Life BSP files.

Standalone units converter

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.

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

GUI frontend for Source compiling tools

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

Great little application for viewing skys used in game