Level Creation

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

Identifies and archives all dependencies for bsp files.

A nice tool made in 2015 which can come in handy sometimes when a bsp file is too large and wont work in BSPtoMAP.exe

Hack the colors in WorldCraft

A tool to assist in the compiling of source engine maps

Alternative to Hammer Editor for Level design

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

Frontend wrapper for netvis

automatically finds mapfiles to compile in the directory it is run

RandMap is a random map generator for Half-Life

Decrypt files that have been protected with BSPProtect (commandline)

A GUI tool for embedding custom content

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

Open-source library for reading and editing BSP files

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

Custom DLL that supports transparency in Half-Life for Steam

A tool to generate cl_leveloverview from BSP files

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

Create a custom light style for your goldSrc maps

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

Edit the entities of Source and GoldSrc games

Q3 .map to HL2 .vmf converter

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

Collection of various bspconv exes i have found around the net

Collection of tools useful for mapping with GoldSrc

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

Tool for compiling Maps from hammer

Small prefab to help protect your map

Generate forests within your maps based on surface type

The Official Editor for Valve Games

Decompile GoldSrc .bsp files into Hammer .map files.

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

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

Batch files for killing the compile processes

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

Generates Terrain for Games

ZHLT rebuilt and up to date with latest engine build

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

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

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

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

Convert maps between Quake3 and Half-Life

Modified versions of the tools used in the Map compilation process

Modified Compiler with support for large models and textures

Analyzes and reports on errors in the map compilation process

Standalone Compiler for GoldSrc Maps

Adjust the light levels in a map

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

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

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

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

Create an easily readable version of an FGD (commandline)

Aids in nthe process of converting GoldSrc maps into Source maps

Windows interface that frontends the compiling utilities

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

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

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

Update to ZHLT

Decompiles some BSP maps with most support for Nightfire 007

Batch compiler for automating Map Compilation

A tool for tweaking hammer settings and using multiple texture profiles

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

Batch map compiler for GoldSrc

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

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

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

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

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.

Collection of the main tools required for mapping with GoldSrc

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

A small VMF to JSON parser

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.

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

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

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

View and Edit the Entity information of a compiled BSP Map

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

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.

Convert Worldcraft 3.3 Maps into the Radiant Format

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