Level Creation

Small collection of obfuscation techniques for maps

Tool for compiling Maps from hammer

Frontend wrapper for netvis

Convert Worldcraft 3.3 Maps into the Radiant Format

Standalone Compiler for GoldSrc Maps

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

Random SP map generator for Half-Life

Decrypt files that have been protected with BSPProtect (commandline)

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

Windows interface that frontends the compiling utilities

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

Generate mazes for your level in GoldSrc

Create Displacements for your maps

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

Creates .Res files for Source games running on a server

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

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

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

The only native Mac OS X level editor for Quake 1

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

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

Small tool for generating Random Source Maps

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

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

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

Useful tool for extracting the contents of BSP files

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

Small prefab to help protect your map

GUI frontend for Source compiling tools

Well made Russian Level Editor for GoldSrc

Alternative Map Editor for GoldSrc games

Legacy compilation tools for quake

Quake2/3 map surface generator

Convert maps between Quake3 and Half-Life

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

GUI Compiler for Half-Life Maps

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.

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

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

The Official Editor for Valve Games

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

Modified versions of the tools used in the Map compilation process

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

A collection of FGD's for GoldSrc

Older program used for editing entities within bsp maps

Simple tool for converting world units into Hammer Units

Preview a map contained in a BSP file.

The Original official mapping utility from Valve

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

Edit the entities of Source and GoldSrc games

Collection of tools useful for mapping with GoldSrc

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

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

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

Open-source library for reading and editing BSP files

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

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

A tool to assist in the compiling of source engine maps

GUI Compiler for Source Maps

A tool for tweaking hammer settings and using multiple texture profiles

A small collection of FGD's for Source

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

A collection of JavaScript functions to load Goldsource and Source map files and render them. Not an editor.

Valve Map Extractor modified version (Successor to VMEX)

Some Dev Texture guides to aid with level creation

RandMap is a random map generator for Half-Life

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

Preview a map contained in a BSP file.

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

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

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

Q3 .map to HL2 .vmf converter

Older free for personal use version of Terragen for sculpting landscapes

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

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

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

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

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

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