Level Creation

Edit the entities of Source and GoldSrc games

Create Displacements for your maps

Basic Model viewer for GoldSrc

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

Simple tool for converting world units into Hammer Units

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

Standalone Compiler for GoldSrc 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.

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

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

Older free for personal use version of Terragen for sculpting landscapes

Small application for viewing map files, Superseded by crafty

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

Alternative Map Editor for GoldSrc games

Editor used for 007 Nightfire map creation

RandMap is a random map generator for Half-Life

Quake2/3 map surface generator

ZHLT rebuilt and up to date with latest engine build

Small prefab to help protect your map

Convert maps between Quake3 and Half-Life

Generate forests within your maps based on surface type

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

Well made Russian Level Editor for GoldSrc

Compiler and Decompiler rolled into one tool

GUI Compiler for Half-Life Maps

Open-source library for reading and editing BSP files

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

Great little application for viewing skys used in game

Lists maps for easy maplist.txt

A GUI tool for embedding custom content

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

Batch compiler for automating Map Compilation

Convert Worldcraft 3.3 Maps into the Radiant Format

Simple bindings for debugging maps

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

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

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

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

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

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

Random SP map generator for Half-Life

Creates .Res files for Source games running on a server

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

automatically finds mapfiles to compile in the directory it is run

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

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

Q3 .map to HL2 .vmf converter

Update to ZHLT

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

Analyzes and reports on errors in the map compilation process

Tool for compiling Maps from hammer

Adjust the light levels in a map

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

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

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

Hack the colors in WorldCraft

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

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

Small utility for helping protect bsp maps

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

Batch files for killing the compile processes

Useful tool for extracting the contents of BSP files

Create an easily readable version of an FGD (commandline)

Collection of the main tools required for mapping with GoldSrc

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

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

Collection of tools useful for mapping with GoldSrc

GUI Compiler for Source Maps

Alternative Map Editor for GoldSrc games

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

Standalone Compiler for Source Maps

Alternative to Hammer Editor for Level design

Small collection of obfuscation techniques for maps

A tool to assist in the compiling of source engine maps

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

Simple tool to change VTF versions from 7.5 to 7.4

A tool for tweaking hammer settings and using multiple texture profiles

A tool for compiling maps from VMF to BSP format