Level Creation

Small application for viewing map files, Superseded by crafty

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

Edit the entities of Source and GoldSrc games

Small utility for helping protect bsp maps

Hack the colors in WorldCraft

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

GUI frontend for Source compiling tools

Update to ZHLT

Batch map compiler for GoldSrc

Batch compile Source and GoldSrc Maps

ZHLT rebuilt and up to date with latest engine build

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

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

Decrypt files that have been protected with BSPProtect (commandline)

Small tool for generating Random Source Maps

Aids in nthe process of converting GoldSrc maps into Source maps

Adjust the light levels in a map

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

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

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

Alternative Map Editor for GoldSrc games

Alternative Map Editor for GoldSrc games

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

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

Analyzes and reports on errors in the map compilation process

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

Alternative to Hammer

Quake2/3 map surface generator

Older free for personal use version of Terragen for sculpting landscapes

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

A small collection of FGD's for Source

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

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

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

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

Standalone units converter

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.

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

Valve Map Extractor modified version (Successor to VMEX)

Legacy compilation tools for quake

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

Great little application for viewing skys used in game

automatically finds mapfiles to compile in the directory it is run

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

Tools supporting the creation of HDR Images for the Engine

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

A collection of FGD's for GoldSrc

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

Standalone Compiler for Source Maps

A tool to assist in the compiling of source engine maps

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.

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

Decompile GoldSrc .bsp files into Hammer .map files.

Convert Worldcraft 3.3 Maps into the Radiant Format

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

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

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

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.

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

Frontend wrapper for netvis

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.

Simple tool for converting world units into Hammer Units

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

Q3 .map to HL2 .vmf converter

Multi Game Map Editor that supports Half-life

A tool to generate cl_leveloverview from BSP files

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

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

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

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

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

Convert maps between Quake3 and Half-Life

RandMap is a random map generator for Half-Life

Editor used for 007 Nightfire map creation

Simple bindings for debugging maps

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

Useful tool for extracting the contents of BSP files

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

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

Tool for compiling Maps from hammer

Small prefab to help protect your map