Level Creation

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

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

The Original official mapping utility from Valve

View and Edit the Entity information of a compiled BSP Map

Free, Opensource, drop-in editor replacement for Hammer

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

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

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

Analyzes and reports on errors in the map compilation process

Modify the entities of a .map file by editing its text

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

Q3 .map to HL2 .vmf converter

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

Useful tool for extracting the contents of BSP files

Legacy compilation tools for quake

Simple tool to change VTF versions from 7.5 to 7.4

Create a Map using color information through 2D

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

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

Collection of tools useful for mapping with GoldSrc

Older free for personal use version of Terragen for sculpting landscapes

Valve Map Extractor modified version (Successor to VMEX)

Batch files for killing the compile processes

Great little application for viewing skys used in game

Alternative Map Editor for GoldSrc games

Edit the entities of Source and GoldSrc games

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

A tool to assist in the compiling of source engine maps

Creates .Res files for Source games running on a server

Generates Terrain for Games

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

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.

ZHLT rebuilt and up to date with latest engine build

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

A small VMF to JSON parser

Tools supporting the creation of HDR Images for the Engine

Random SP map generator for Half-Life

Convert maps between Quake3 and Half-Life

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

Custom DLL that supports transparency in Half-Life for Steam

Simple bindings for debugging maps

Windows interface that frontends the compiling utilities

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

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.

Quake2/3 map surface generator

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

Frontend wrapper for netvis

Collection of various bspconv exes i have found around the net

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

A tool to generate cl_leveloverview from BSP files

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

Small collection of obfuscation techniques for maps

Modified Compiler with support for large models and textures

Well made Russian Level Editor for GoldSrc

A GUI tool for embedding custom content

Small application for viewing map files, Superseded by crafty

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

Generate forests within your maps based on surface type

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

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

Hack the colors in WorldCraft

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.

Small utility for helping protect bsp maps

Convert Worldcraft 3.3 Maps into the Radiant Format

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

Adjust the light levels in a map

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

Update to ZHLT

A collection of FGD's for GoldSrc

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

Alternative to Hammer

Edit light values inside a Maps RAD file

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

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

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

Decompile GoldSrc .bsp files into Hammer .map files.

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

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

Identifies and archives all dependencies for bsp files.