Level Creation

Small tool for generating Random Source Maps

Alternative Map Editor for GoldSrc games

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

A tool to generate cl_leveloverview from BSP files

Create a Map using color information through 2D

ZHLT rebuilt and up to date with latest engine build

Free, Opensource, drop-in editor replacement for Hammer

Analyzes and reports on errors in the map compilation process

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.

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

RandMap is a random map generator for Half-Life

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

Simple tool to change VTF versions from 7.5 to 7.4

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

A small collection of FGD's for Source

Small utility for helping protect bsp maps

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

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

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

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

Rotates selected entity types in a map

Simple tool for converting world units into Hammer Units

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.

Alternative Map Editor for GoldSrc games

Adjust the light levels in a map

A tool to assist in the compiling of source engine maps

Standalone Compiler for GoldSrc Maps

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

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

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

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

Older free for personal use version of Terragen for sculpting landscapes

Standalone Compiler for Source Maps

Edit light values inside a Maps RAD file

Convert Worldcraft 3.3 Maps into the Radiant Format

This is a tool I made to create huge forests in Source maps (It should work with any source game!)

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

Small application for viewing map files, Superseded by crafty

Generate mazes for your level in GoldSrc

Simple bindings for debugging maps

Batch compiler for automating Map Compilation

Q3 .map to HL2 .vmf converter

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

Windows interface that frontends the compiling utilities

GUI Compiler for Half-Life Maps

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

converts Minecraft files into vmf files

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

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

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

This is Badger. It's a tool to generate levels for Half-Life 2, Black Mesa.

Lists maps for easy maplist.txt

Create Displacements for your maps

Some Dev Texture guides to aid with level creation

Collection of various bspconv exes i have found around the net

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

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

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

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

Batch map compiler for GoldSrc

Useful tool for extracting the contents of BSP files

Open-source library for reading and editing BSP files

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

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

Tool for compiling Maps from hammer

Batch files for killing the compile processes

Decompiles some BSP maps with most support for Nightfire 007

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

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

Basic Model viewer for GoldSrc

A tool for compiling maps from VMF to BSP format

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

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

Generates Terrain for Games

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

The Original official mapping utility from Valve

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

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