Level Creation

Modified versions of the tools used in the Map compilation process

Convert Worldcraft 3.3 Maps into the Radiant Format

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

Useful tool for extracting the contents of BSP files

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

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

Great little application for viewing skys used in game

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

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

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.

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

Compiler and Decompiler rolled into one tool

GUI Compiler for Half-Life Maps

Open-source library for reading and editing BSP files

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

The Official Editor for Valve Games

Small application for viewing map files, Superseded by crafty

Valve Map Extractor modified version (Successor to VMEX)

Multi Game Map Editor that supports Half-life

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

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

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

Identifies and archives all dependencies for bsp files.

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

Alternative to Hammer

Older free for personal use version of Terragen for sculpting landscapes

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

Convert maps between Quake3 and Half-Life

Alternative Map Editor for GoldSrc games

Small prefab to help protect your map

Preview a map contained in a BSP file.

Aids in nthe process of converting GoldSrc maps into Source maps

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

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

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

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

Batch compile Source and GoldSrc Maps

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

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

Alternative Map Editor for GoldSrc games

A small collection of FGD's for Source

Older program used for editing entities within bsp maps

Basic Model viewer for GoldSrc

Small collection of obfuscation techniques for maps

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

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

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

A tool for tweaking hammer settings and using multiple texture profiles

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

A GUI tool for embedding custom content

A tool to generate cl_leveloverview from BSP files

Simple bindings for debugging maps

Lists maps for easy maplist.txt

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

Generate forests within your maps based on surface type

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

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

GUI frontend for Source compiling tools

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

Batch map compiler for GoldSrc

Update to ZHLT

Generate mazes for your level in GoldSrc

The Original official mapping utility from Valve

GUI Compiler for Source Maps

Standalone units converter

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

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

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

Random SP map generator for Half-Life

Standalone Compiler for Source Maps

Edit light values inside a Maps RAD file

Create an easily readable version of an FGD (commandline)

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.

ZHLT rebuilt and up to date with latest engine build

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

Collection of tools useful for mapping with GoldSrc

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

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.

Create a Map using color information through 2D

Inserts instances into a map