Level Creation

Create a Map using color information through 2D

A tool to generate cl_leveloverview from BSP files

Preview a map contained in a BSP file.

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

Allows you to create interesting 3D shapes without going through all the hassle of vertex manipulation

Tool for compiling Maps from hammer

Standalone Compiler for Source Maps

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

Modified Compiler with support for large models and textures

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

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

Adjust the light levels in a map

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

Windows interface that frontends the compiling utilities

Hack the colors in WorldCraft

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

Some Dev Texture guides to aid with level creation

Convert maps between Quake3 and Half-Life

Frontend wrapper for netvis

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

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

Analyzes and reports on errors in the map compilation process

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

Small application for viewing map files, Superseded by crafty

Batch compiler for automating Map Compilation

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

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.

converts Minecraft files into vmf 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.

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

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

Update to ZHLT

Lists maps for easy maplist.txt

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

Generate forests within your maps based on surface type

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

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

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

Modified versions of the tools used in the Map compilation process

A tool for tweaking hammer settings and using multiple texture profiles

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

GUI frontend for Source compiling tools

Decompile GoldSrc .bsp files into Hammer .map files.

Batch map compiler for GoldSrc

GUI Compiler for Source Maps

A collection of FGD's for GoldSrc

Custom DLL that supports transparency in Half-Life for Steam

Older free for personal use version of Terragen for sculpting landscapes

Collection of tools useful for mapping with GoldSrc

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

Open-source library for reading and editing BSP files

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

A GUI tool for embedding custom content

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

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

Legacy compilation tools for quake

Edit light values inside a Maps RAD file

Standalone Compiler for GoldSrc Maps

automatically finds mapfiles to compile in the directory it is run

Alternative Map Editor for GoldSrc games

Well made Russian Level Editor for GoldSrc

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

This is the barebones program that GFlip uses as it's base

Simple tool for converting world units into Hammer Units

Small tool for generating Random Source Maps

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

A small VMF to JSON parser

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

Preview a map contained in a BSP file.

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

A tool for compiling maps from VMF to BSP format

Simple tool to change VTF versions from 7.5 to 7.4

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

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

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

Rotates selected entity types in a map

View and Edit the Entity information of a compiled BSP Map

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

Decrypt files that have been protected with BSPProtect (commandline)

The Original official mapping utility from Valve