Level Creation

Batch compile Source and GoldSrc Maps

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

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

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

automatically finds mapfiles to compile in the directory it is run

Decrypt files that have been protected with BSPProtect (commandline)

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

Generate forests within your maps based on surface type

converts Minecraft files into vmf files

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

Some Dev Texture guides to aid with level creation

Analyzes and reports on errors in the map compilation process

A collection of FGD's for GoldSrc

Alternative to Hammer

Aids in nthe process of converting GoldSrc maps into Source maps

Simple tool for converting world units into Hammer Units

Free, Opensource, drop-in editor replacement for Hammer

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

Open-source library for reading and editing BSP files

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

Rotates selected entity types in a map

Useful tool for extracting the contents of BSP files

Custom DLL that supports transparency in Half-Life for Steam

View and Edit the Entity information of a compiled BSP Map

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

Modified versions of the tools used in the Map compilation process

Generate mazes for your level in GoldSrc

Batch map compiler for GoldSrc

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

A small VMF to JSON parser

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

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

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

Quake2/3 map surface generator

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

Collection of tools useful for mapping with GoldSrc

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

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

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

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

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

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

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

Alternative to Hammer Editor for Level design

Convert Worldcraft 3.3 Maps into the Radiant Format

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

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

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

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

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

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

Great little application for viewing skys used in game

Convert maps between Quake3 and Half-Life

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

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

Standalone units converter

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

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

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

Batch files for killing the compile processes

Random SP map generator for Half-Life

The only native Mac OS X level editor for Quake 1

Preview a map contained in a BSP file.

The Original official mapping utility from Valve

Decompile GoldSrc .bsp files into Hammer .map files.

A GUI tool for embedding custom content

Small application for viewing map files, Superseded by crafty

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

Decompiles some BSP maps with most support for Nightfire 007

Small tool for generating Random Source 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.

A nice tool made in 2015 which can come in handy sometimes when a bsp file is too large and wont work in BSPtoMAP.exe

Frontend wrapper for netvis

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)

Create an easily readable version of an FGD (commandline)

A tool to assist in the compiling of source engine maps

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

RandMap is a random map generator for Half-Life

Editor used for 007 Nightfire map creation

Simple bindings for debugging maps

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

Standalone Compiler for Source Maps

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

GUI frontend for Source compiling tools

A tool for tweaking hammer settings and using multiple texture profiles

Batch compiler for automating Map Compilation

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

Update to ZHLT

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.

Inserts instances into a map

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.

Edit light values inside a Maps RAD file

Older program used for editing entities within bsp maps

Standalone Compiler for GoldSrc Maps

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

Multi Game Map Editor that supports Half-life

Preview a map contained in a BSP file.

Generates Terrain for Games

Small collection of obfuscation techniques for maps

ZHLT rebuilt and up to date with latest engine build

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.

Alternative Map Editor for GoldSrc games

A tool for compiling maps from VMF to BSP format

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

A small collection of FGD's for Source

Q3 .map to HL2 .vmf converter

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

Lists maps for easy maplist.txt

Legacy compilation tools for quake

Identifies and archives all dependencies for bsp files.

GUI Compiler for Half-Life Maps

Adjust the light levels in a map

Tool for compiling Maps from hammer

Small utility for helping protect bsp maps

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

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

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

Basic Model viewer for GoldSrc

Older free for personal use version of Terragen for sculpting landscapes

Collection of various bspconv exes i have found around the net

Create a Map using color information through 2D

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

Hack the colors in WorldCraft

Tools supporting the creation of HDR Images for the Engine

Edit the entities of Source and GoldSrc games

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

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

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

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

Collection of the main tools required for mapping with GoldSrc

GUI Compiler for Source Maps

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

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

Alternative Map Editor for GoldSrc games

Create a custom light style for your goldSrc maps

The Official Editor for Valve Games

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

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

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

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

Create Displacements for your maps

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

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

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)

Small prefab to help protect your map

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

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

Windows interface that frontends the compiling utilities

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.

Modified Compiler with support for large models and textures

Simple tool to change VTF versions from 7.5 to 7.4

A tool to generate cl_leveloverview from BSP files

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

Creates .Res files for Source games running on a server

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

Compiler and Decompiler rolled into one tool