Level Creation

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

RandMap is a random map generator for Half-Life

Alternative Map Editor for GoldSrc games

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

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

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

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.

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

Alternative to Hammer Editor for Level design

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

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.

Generate mazes for your level in GoldSrc

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

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

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

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

Edit light values inside a Maps RAD file

A tool to generate cl_leveloverview from BSP files

A tool to assist in the compiling of source engine maps

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

Decompile GoldSrc .bsp files into Hammer .map files.

Create a Map using color information through 2D

Small tool for generating Random Source Maps

Valve Map Extractor modified version (Successor to VMEX)

Generate forests within your maps based on surface type

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

Quake2/3 map surface generator

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

Windows interface that frontends the compiling utilities

GUI frontend for Source compiling tools

Small prefab to help protect your map

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

Compiler and Decompiler rolled into one tool

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

Convert maps between Quake3 and Half-Life

Create a custom light style for your goldSrc maps

Older free for personal use version of Terragen for sculpting landscapes

Batch compiler for automating Map Compilation

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.

Standalone Compiler for GoldSrc Maps

Well made Russian Level Editor for GoldSrc

A small collection of FGD's for Source

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

Tools supporting the creation of HDR Images for the Engine

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

Create Displacements for your maps

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

Legacy compilation tools for quake

Lists maps for easy maplist.txt

Rotates selected entity types in a map

Free, Opensource, drop-in editor replacement for Hammer

A GUI tool for embedding custom content

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

ZHLT rebuilt and up to date with latest engine build

Standalone units converter

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

Decrypt files that have been protected with BSPProtect (commandline)

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

Preview a map contained in a BSP file.

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

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

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

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

Custom DLL that supports transparency in Half-Life for Steam

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

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

Alternative to Hammer

A small VMF to JSON parser

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

The Original official mapping utility from Valve

Batch compile Source and GoldSrc Maps

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

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

Frontend wrapper for netvis

Simple tool to change VTF versions from 7.5 to 7.4

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

This is a tool for showing leaks in a map made in WordCraft.