Level Creation

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.

Aids in nthe process of converting GoldSrc maps into Source maps

Convert maps between Quake3 and Half-Life

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

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

The Original official mapping utility from Valve

A tool for tweaking hammer settings and using multiple texture profiles

Simple tool to change VTF versions from 7.5 to 7.4

Q3 .map to HL2 .vmf converter

RandMap is a random map generator for Half-Life

Create a custom light style for your goldSrc maps

Legacy compilation tools for quake

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

Batch map compiler for GoldSrc

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

This is the barebones program that GFlip uses as it's base

Inserts instances into a map

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

Simple bindings for debugging maps

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

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

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

Random SP map generator for Half-Life

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

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

Free, Opensource, drop-in editor replacement for Hammer

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

Convert Worldcraft 3.3 Maps into the Radiant Format

Decrypt files that have been protected with BSPProtect (commandline)

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

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

Tools supporting the creation of HDR Images for the Engine

Rotates selected entity types in a map

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

View and Edit the Entity information of a compiled BSP Map

GUI Compiler for Source Maps

Open-source library for reading and editing BSP files

Batch compile Source and GoldSrc Maps

Standalone Compiler for Source Maps

Valve Map Extractor modified version (Successor to VMEX)

A tool to generate cl_leveloverview from BSP files

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

Standalone units converter

Batch files for killing the compile processes

Creates .Res files for Source games running on a server

Windows interface that frontends the compiling utilities

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

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

Collection of tools useful for mapping with GoldSrc

Quake2/3 map surface generator

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.

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

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

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

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

Lists maps for easy maplist.txt

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

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

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

Hack the colors in WorldCraft

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

Standalone Compiler for GoldSrc Maps

Update to ZHLT

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

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

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

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

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

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

Tool for compiling Maps from hammer

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

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

Custom DLL that supports transparency in Half-Life for Steam

Alternative to Hammer Editor for Level design

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

Small tool for generating Random Source Maps

ZHLT rebuilt and up to date with latest engine build

The open source, cross platform level editor for idtech games (GTKRadiant fork)

A small collection of FGD's for Source

automatically finds mapfiles to compile in the directory it is run