Level Creation

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

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

Random SP map generator for Half-Life

Create a custom light style for your goldSrc maps

Generate forests within your maps based on surface type

Alternative Map Editor for GoldSrc games

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

Batch files for killing the compile processes

Hack the colors in WorldCraft

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

A tool for tweaking hammer settings and using multiple texture profiles

A tool for compiling maps from VMF to BSP format

Create an easily readable version of an FGD (commandline)

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

GUI Compiler for Half-Life Maps

Editor used for 007 Nightfire map creation

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

Some Dev Texture guides to aid with level creation

Open-source library for reading and editing BSP files

Standalone Compiler for GoldSrc Maps

The Official Editor for Valve Games

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

Collection of tools useful for mapping with GoldSrc

Decompile GoldSrc .bsp files into Hammer .map files.

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

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

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

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

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

Custom DLL that supports transparency in Half-Life for Steam

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

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

A small VMF to JSON parser

This is a tool for showing leaks in a map made in WordCraft.

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

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

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

Standalone Compiler for Source Maps

Alternative Map Editor for GoldSrc games

Analyzes and reports on errors in the map compilation process

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

The only native Mac OS X level editor for Quake 1

Compiler and Decompiler rolled into one tool

This tool blocks Hammer from converting plane coordinates to integers when exporting .map file and thus enables Hammer to output the original floating point coordinates.

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

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

Q3 .map to HL2 .vmf converter

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

The open source, cross platform level editor for id Tech games.

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

Useful tool for extracting the contents of BSP files

Modified Compiler with support for large models and textures

Small prefab to help protect your map

Small application for viewing map files, Superseded by crafty

Batch compiler for automating Map Compilation

Preview a map contained in a BSP file.

Decrypt files that have been protected with BSPProtect (commandline)

Aids in nthe process of converting GoldSrc maps into Source maps

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

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

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.

Small utility for helping protect bsp maps

Quake2/3 map surface generator

Tool for compiling Maps from hammer

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

Simple tool to change VTF versions from 7.5 to 7.4

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

Preview a map contained in a BSP file.

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

Alternative to Hammer Editor for Level design

Inserts instances into a map

A collection of FGD's for GoldSrc

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

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

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

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

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

Modified versions of the tools used 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.