Level Creation

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

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

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.

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

Small tool for generating Random Source Maps

Small application for viewing map files, Superseded by crafty

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

Windows interface that frontends the compiling utilities

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.

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

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

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

A small collection of FGD's for Source

Free, Opensource, drop-in editor replacement for Hammer

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

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

Batch map compiler for GoldSrc

Small prefab to help protect your map

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

Aids in nthe process of converting GoldSrc maps into Source maps

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

Preview a map contained in a BSP file.

A tool for compiling maps from VMF to BSP format

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

Standalone Compiler for Source Maps

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

ZHLT rebuilt and up to date with latest engine build

Custom DLL that supports transparency in Half-Life for Steam

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

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

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

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

Simple tool for converting world units into Hammer Units

Older free for personal use version of Terragen for sculpting landscapes

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

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

Frontend wrapper for netvis

Simple tool to change VTF versions from 7.5 to 7.4

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

A collection of FGD's for GoldSrc

Random SP map generator for Half-Life

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

Standalone units converter

Batch files for killing the compile processes

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

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

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

RandMap is a random map generator for Half-Life

Analyzes and reports on errors in the map compilation process

View and Edit the Entity information of a compiled BSP Map

Decrypt files that have been protected with BSPProtect (commandline)

Multi Game Map Editor that supports Half-life

Alternative to Hammer Editor for Level design

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

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

Create a Map using color information through 2D

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

Compiler and Decompiler rolled into one tool

Small utility for helping protect bsp maps

Valve Map Extractor modified version (Successor to VMEX)

Update to ZHLT

Alternative Map Editor for GoldSrc games

Quake2/3 map surface generator

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

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

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

GUI Compiler for Source Maps

A GUI tool for embedding custom content

Adjust the light levels in a map

Legacy compilation tools for quake

Generates Terrain for Games

Useful tool for extracting the contents of BSP files

Simple bindings for debugging maps

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

Collection of tools useful for mapping with GoldSrc

The Original official mapping utility from Valve

Modified versions of the tools used in the Map compilation process

Edit light values inside a Maps RAD file

The Official Editor for Valve Games

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