Level Creation

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

Random SP map generator for Half-Life

Small prefab to help protect your map

A collection of FGD's for GoldSrc

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

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

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

Open-source library for reading and editing BSP files

This program will create a half-life2 displacement map from a heightmap image.

Convert maps between Quake3 and Half-Life

Useful tool for extracting the contents of BSP files

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

Alternative to Hammer

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

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

Decompiles some BSP maps with most support for Nightfire 007

Frontend wrapper for netvis

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

Simple tool for converting world units into Hammer Units

automatically finds mapfiles to compile in the directory it is run

Lists maps for easy maplist.txt

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.

Identifies and archives all dependencies for bsp files.

Preview a map contained in a BSP file.

OGLE is a rather amazing 3d tool that can extract shapes from 3d scenes being rendered on a computer screen

A small VMF to JSON parser

Convert Worldcraft 3.3 Maps into the Radiant Format

Q3 .map to HL2 .vmf converter

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

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

Aids in nthe process of converting GoldSrc maps into Source maps

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

Create Displacements for your maps

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

Create a custom light style for your goldSrc maps

GUI Compiler for Source Maps

Quake2/3 map surface generator

Tool for compiling Maps from hammer

converts Minecraft files into vmf files

Create an easily readable version of an FGD (commandline)

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

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

Decrypt files that have been protected with BSPProtect (commandline)

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

Simple bindings for debugging maps

Compiler and Decompiler rolled into one tool

Adjust the light levels in a map

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

Inserts instances into a map

Multi Game Map Editor that supports Half-life

A small collection of FGD's for Source

Analyzes and reports on errors in the map compilation process

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

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

Editor used for 007 Nightfire map creation

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

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

Collection of the main tools required for mapping with GoldSrc

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

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

GUI frontend for Source compiling tools

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

The only native Mac OS X level editor for Quake 1

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

Rotates selected entity types in a map

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

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

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

Standalone units converter

Batch files for killing the compile processes

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

A tool to generate cl_leveloverview from BSP files

Older program used for editing entities within bsp maps

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

Standalone Compiler for Source Maps

A slimmed down copy of the Source SDK 2013 map compile tools

Some Dev Texture guides to aid with level creation

Great little application for viewing skys used in game

Collection of tools useful for mapping with GoldSrc