Level Creation

Standalone units converter

A collection of FGD's for GoldSrc

automatically finds mapfiles to compile in the directory it is run

Simple tool to change VTF versions from 7.5 to 7.4

Generate mazes for your level in GoldSrc

Free, Opensource, drop-in editor replacement for Hammer

Frontend wrapper for netvis

Creates .Res files for Source games running on a server

Adjust the light levels in a map

Edit light values inside a Maps RAD file

Analyzes and reports on errors in the map compilation process

Decompiles some BSP maps with most support for Nightfire 007

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

A GUI tool for embedding custom content

Random SP map generator for Half-Life

Compiler and Decompiler rolled into one tool

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

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.

ZHLT rebuilt and up to date with latest engine build

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

Batch map compiler for GoldSrc

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

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

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

A tool for tweaking hammer settings and using multiple texture profiles

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

GUI frontend for Source compiling tools

Decompile GoldSrc .bsp files into Hammer .map files.

Inserts instances into a map

Convert maps between Quake3 and Half-Life

Older free for personal use version of Terragen for sculpting landscapes

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

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

Great little application for viewing skys used in game

Useful tool for extracting the contents of BSP files

Identifies and archives all dependencies for bsp files.

Edit the entities of Source and GoldSrc games

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

Create an easily readable version of an FGD (commandline)

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

Basic Model viewer for GoldSrc

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

RandMap is a random map generator for Half-Life

Alternative to Hammer

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

Multi Game Map Editor that supports Half-life

Create a Map using color information through 2D

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

Modified versions of the tools used in the Map compilation process

Some Dev Texture guides to aid with level creation

The Official Editor for Valve Games

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

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

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

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

Batch compiler for automating Map Compilation

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

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

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

Older program used for editing entities within bsp maps

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

Quake2/3 map surface generator

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

Simple tool for converting world units into Hammer Units

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.

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

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

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

Small collection of obfuscation techniques for maps

Windows interface that frontends the compiling utilities

Tools supporting the creation of HDR Images for the Engine

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

Legacy compilation tools for quake

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

Well made Russian Level Editor for GoldSrc

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

Simple bindings for debugging maps

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

Create Displacements for your maps

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

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

Custom DLL that supports transparency in Half-Life for Steam

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

Create a custom light style for your goldSrc maps

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

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.

Preview a map contained in a BSP file.

A tool to assist in the compiling of source engine maps

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

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

Lists maps for easy maplist.txt

Update to ZHLT

Rotates selected entity types in a map

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

Tool for compiling Maps from hammer

Convert Worldcraft 3.3 Maps into the Radiant Format

Hack the colors in WorldCraft

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

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

Aids in nthe process of converting GoldSrc maps into Source 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.

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

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

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

Generates Terrain for Games

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

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

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

Q3 .map to HL2 .vmf converter

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

Standalone Compiler for Source Maps

The Original official mapping utility from Valve

Valve Map Extractor modified version (Successor to VMEX)

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

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

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

converts Minecraft files into vmf files

Small tool for generating Random Source Maps

Small utility for helping protect bsp maps

Generate forests within your maps based on surface type

Standalone Compiler for GoldSrc Maps

Alternative Map Editor for GoldSrc games

View and Edit the Entity information of a compiled BSP Map

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

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

Collection of tools useful for mapping with GoldSrc

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

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

Small application for viewing map files, Superseded by crafty

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

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

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

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

Alternative to Hammer Editor for Level design

The only native Mac OS X level editor for Quake 1

Collection of the main tools required for mapping with GoldSrc

Batch compile Source and GoldSrc Maps

Preview a map contained in a BSP file.

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

A tool for compiling maps from VMF to BSP format

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

GUI Compiler for Source Maps

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

Batch files for killing the compile processes

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

A small collection of FGD's for Source

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

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

Modified Compiler with support for large models and textures

A tool to generate cl_leveloverview from BSP files

Small prefab to help protect your map

Open-source library for reading and editing BSP files

Editor used for 007 Nightfire map creation

A small VMF to JSON parser

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.

Collection of various bspconv exes i have found around the net

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

GUI Compiler for Half-Life Maps

Decrypt files that have been protected with BSPProtect (commandline)

Alternative Map Editor for GoldSrc games