Level Creation

Simple bindings for debugging maps

Modified Compiler with support for large models and textures

Small utility for helping protect bsp maps

Create a Map using color information through 2D

Alternative Map Editor for GoldSrc games

View and Edit the Entity information of a compiled BSP Map

Create an easily readable version of an FGD (commandline)

Generate forests within your maps based on surface type

A GUI tool for embedding custom content

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.

Free, Opensource, drop-in editor replacement for Hammer

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

ZHLT rebuilt and up to date with latest engine build

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

A tool for tweaking hammer settings and using multiple texture profiles

Convert maps between Quake3 and Half-Life

A tool to generate cl_leveloverview from 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.

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

Some Dev Texture guides to aid with level creation

Older free for personal use version of Terragen for sculpting landscapes

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

Great little application for viewing skys used in game

A small collection of FGD's for Source

Older program used for editing entities within bsp maps

Small collection of obfuscation techniques for maps

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

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

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

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

Inserts instances into a map

Collection of tools useful for mapping with GoldSrc

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

Small prefab to help protect your map

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

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

RandMap is a random map generator for Half-Life

Create a custom light style for your goldSrc maps

Aids in nthe process of converting GoldSrc maps into Source maps

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

Edit light values inside a Maps RAD file

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

A collection of FGD's for GoldSrc

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

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

Small tool for generating Random Source Maps

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.

Open-source library for reading and editing BSP files

Batch files for killing the compile processes

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

Well made Russian Level Editor for GoldSrc

converts Minecraft files into vmf files

Small application for viewing map files, Superseded by crafty

Create Displacements for your maps

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

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

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.

Collection of the main tools required for mapping with GoldSrc

Alternative Map Editor for GoldSrc games

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

Update to ZHLT

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

Q3 .map to HL2 .vmf converter

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

Edit the entities of Source and GoldSrc games

Creates .Res files for Source games running on a server

Custom DLL that supports transparency in Half-Life for Steam

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

Standalone Compiler for Source Maps

GUI Compiler for Half-Life Maps

Generates Terrain for Games

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

The Original official mapping utility from Valve

Batch compiler for automating Map Compilation

Decompiles some BSP maps with most support for Nightfire 007

Decrypt files that have been protected with BSPProtect (commandline)