Level Creation

Generate mazes for your level in GoldSrc

Convert maps between Quake3 and Half-Life

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.

Batch files for killing the compile processes

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

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

Open-source library for reading and editing BSP files

Standalone units converter

Frontend wrapper for netvis

Quake2/3 map surface generator

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

Decompile GoldSrc .bsp files into Hammer .map files.

Alternative to Hammer Editor for Level design

Valve Map Extractor modified version (Successor to VMEX)

Simple bindings for debugging maps

Multi Game Map Editor that supports Half-life

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

converts Minecraft files into vmf files

A tool to assist in the compiling of source engine maps

A small VMF to JSON parser

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

RandMap is a random map generator for Half-Life

The only native Mac OS X level editor for Quake 1

The Original official mapping utility from Valve

Batch compiler for automating Map Compilation

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

Creates .Res files for Source games running on a server

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

Custom DLL that supports transparency in Half-Life for Steam

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

Identifies and archives all dependencies for bsp files.

Inserts instances into a map

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

This is a tool I made to create huge forests in Source maps (It should work with any source game!)

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

GUI Compiler for Source Maps

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

Editor used for 007 Nightfire map creation

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

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

A collection of FGD's for GoldSrc

Update to ZHLT

Decompiles some BSP maps with most support for Nightfire 007

Free, Opensource, drop-in editor replacement for Hammer

Standalone Compiler for Source Maps

Useful tool for extracting the contents of BSP files

Create Displacements for your maps

This is the barebones program that GFlip uses as it's base

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

Tool for compiling Maps from hammer

Collection of tools useful for mapping with GoldSrc

Edit light values inside a Maps RAD file

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

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

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

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

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

Standalone Compiler for GoldSrc 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.

A GUI tool for embedding custom content

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.

Small utility for helping protect bsp maps

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

Create a custom light style for your goldSrc maps

A tool for tweaking hammer settings and using multiple texture profiles

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

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

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

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.

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

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

A tool to generate cl_leveloverview from BSP files

A tool for compiling maps from VMF to BSP format

Small tool for generating Random Source Maps

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

Modified Compiler with support for large models and textures

Collection of the main tools required for mapping with GoldSrc

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

GUI frontend for Source compiling tools

Generates Terrain for Games