Level Creation

Modified versions of the tools used in the Map compilation process

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

Windows interface that frontends the compiling utilities

Preview a map contained in a BSP file.

Small prefab to help protect your map

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

A small VMF to JSON parser

Alternative Map Editor for GoldSrc games

RandMap is a random map generator for Half-Life

Edit light values inside a Maps RAD file

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

Tool for compiling Maps from hammer

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

Older free for personal use version of Terragen for sculpting landscapes

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

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

Simple tool for converting world units into Hammer Units

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

Analyzes and reports on errors in the map compilation process

Lists maps for easy maplist.txt

Multi Game Map Editor that supports Half-life

A collection of FGD's for GoldSrc

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

Q3 .map to HL2 .vmf converter

Decrypt files that have been protected with BSPProtect (commandline)

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.

ZHLT rebuilt and up to date with latest engine build

Collection of the main tools required for mapping with GoldSrc

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.

Tools supporting the creation of HDR Images for the Engine

Small collection of obfuscation techniques for maps

Small tool for generating Random Source Maps

Decompiles some BSP maps with most support for Nightfire 007

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

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

Create a Map using color information through 2D

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

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

Creates .Res files for Source games running on a server

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

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

GUI frontend for Source compiling tools

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

Batch compile Source and GoldSrc Maps

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

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

Hack the colors in WorldCraft

Quake2/3 map surface generator

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

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

GUI Compiler for Half-Life Maps

Random SP map generator for Half-Life

Batch files for killing the compile processes

Open-source library for reading and editing BSP files

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

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

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

Aids in nthe process of converting GoldSrc maps into Source maps

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

GUI Compiler for Source Maps

Generate forests within your maps based on surface type

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

Frontend wrapper for netvis

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.

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

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

Generates Terrain for Games

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

Standalone Compiler for GoldSrc Maps

converts Minecraft files into vmf files

Small utility for helping protect bsp maps

Alternative to Hammer

Well made Russian Level Editor for GoldSrc

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

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

Decompile Source .bsp files into Hammer .vmf files. Successor to VMEX

Adjust the light levels in a map

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

Free, Opensource, drop-in editor replacement for Hammer

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