Level Creation

Create an easily readable version of an FGD (commandline)

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.

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

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

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

Creates .Res files for Source games running on a server

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.

Lists maps for easy maplist.txt

Alternative to Hammer Editor for Level design

Quake2/3 map surface generator

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

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

Modified versions of the tools used in the Map compilation process

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

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

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

Rotates selected entity types in a map

Collection of various bspconv exes i have found around the net

Tool for compiling Maps from hammer

Inserts instances into a map

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

Edit light values inside a Maps RAD file

Small collection of obfuscation techniques for maps

GUI Compiler for Source Maps

Modified Compiler with support for large models and textures

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

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

Generate forests within your maps based on surface type

automatically finds mapfiles to compile in the directory it is run

RandMap is a random map generator for Half-Life

Simple tool for converting world units into Hammer Units

A small VMF to JSON parser

The Original official mapping utility from Valve

The Official Editor for Valve Games

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

Batch compile Source and GoldSrc Maps

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

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

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

Edit the entities of Source and GoldSrc games

Standalone units converter

Valve Map Extractor modified version (Successor to VMEX)

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

A tool to generate cl_leveloverview from BSP files

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

Compiler and Decompiler rolled into one tool

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

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

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

Preview a map contained in a BSP file.

Useful tool for extracting the contents of BSP files

Decompiles some BSP maps with most support for Nightfire 007

Standalone Compiler for GoldSrc Maps

Editor used for 007 Nightfire map creation

Batch compiler for automating Map Compilation

Collection of tools useful for mapping with GoldSrc

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

Aids in nthe process of converting GoldSrc maps into Source maps

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

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

Small utility for helping protect bsp maps

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

A tool for compiling maps from VMF to BSP format

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

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

ZHLT rebuilt and up to date with latest engine build

Collection of the main tools required for mapping with GoldSrc

Analyzes and reports on errors in the map compilation process

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

Alternative to Hammer

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

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

GUI frontend for Source compiling tools

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

The only native Mac OS X level editor for Quake 1

Generates Terrain for Games

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

DirectX based application to open and view Half Life 1 game files (Source Code)

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

Hack the colors in WorldCraft