Level Creation

GUI Compiler for Half-Life Maps

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

Simple tool to change VTF versions from 7.5 to 7.4

Alternative Map Editor for GoldSrc games

Preview a map contained in a BSP file.

Alternative to Hammer

automatically finds mapfiles to compile in the directory it is run

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.

Edit light values inside a Maps RAD file

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

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

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

The Original official mapping utility from Valve

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

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

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

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

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

Convert Worldcraft 3.3 Maps into the Radiant Format

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

Collection of various bspconv exes i have found around the net

Collection of the main tools required for mapping with GoldSrc

Well made Russian Level Editor for GoldSrc

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

Inserts instances into a map

Identifies and archives all dependencies for bsp files.

Small utility for helping protect bsp maps

Create a custom light style for your goldSrc maps

Quake2/3 map surface generator

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

Simple tool for converting world units into Hammer Units

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

Batch compile Source and GoldSrc Maps

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

Small prefab to help protect your map

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

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

A small VMF to JSON parser

The only native Mac OS X level editor for Quake 1

Small tool for generating Random Source Maps

Alternative to Hammer Editor for Level design

Compiler and Decompiler rolled into one tool

Create Displacements for your maps

The Official Editor for Valve Games

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

Create an easily readable version of an FGD (commandline)

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

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

Simple bindings for debugging maps

Older program used for editing entities within bsp maps

Basic Model viewer for GoldSrc

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

Standalone Compiler for Source Maps

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

Legacy compilation tools for quake

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

Multi Game Map Editor that supports Half-life

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

Adjust the light levels in a map

Creates .Res files for Source games running on a server

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

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.

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

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

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

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

Generates Terrain for Games

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

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

Update to ZHLT

Alternative Map Editor for GoldSrc games

Older free for personal use version of Terragen for sculpting landscapes

GUI frontend for Source compiling tools

Editor used for 007 Nightfire map creation

A tool to assist in the compiling of source engine maps

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

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.

Useful tool for extracting the contents of BSP files

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