Level Creation

Batch compile Source and GoldSrc Maps

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

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

Hack the colors in WorldCraft

GUI Compiler for Source Maps

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

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

Analyzes and reports on errors in the map compilation process

automatically finds mapfiles to compile in the directory it is run

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.

Create Displacements for your 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.

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

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

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

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

A collection of FGD's for GoldSrc

Decompile GoldSrc .bsp files into Hammer .map files.

Convert Worldcraft 3.3 Maps into the Radiant Format

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

Some Dev Texture guides to aid with level creation

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

Create a custom light style for your goldSrc maps

Multi Game Map Editor that supports Half-life

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

Well made Russian Level Editor for GoldSrc

Open-source library for reading and editing BSP files

Valve Map Extractor modified version (Successor to VMEX)

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

Custom DLL that supports transparency in Half-Life for Steam

The Original official mapping utility from Valve

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.

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

Random SP map generator for Half-Life

GUI Compiler for Half-Life Maps

The only native Mac OS X level editor for Quake 1

Inserts instances into a map

A tool to generate cl_leveloverview from BSP files

Tools supporting the creation of HDR Images for the Engine

Quake2/3 map surface generator

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

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

Update to ZHLT

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

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

Collection of tools useful for mapping with GoldSrc

Compiler and Decompiler rolled into one tool

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

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

View and Edit the Entity information of a compiled BSP Map

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

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

A small collection of FGD's for Source

Create a Map using color information through 2D

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

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

Standalone Compiler for Source Maps

Create an easily readable version of an FGD (commandline)

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

Collection of the main tools required for mapping with GoldSrc

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

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

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

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

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

Small collection of obfuscation techniques for maps

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

Lists maps for easy maplist.txt

ZHLT rebuilt and up to date with latest engine build

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

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

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

Edit light values inside a Maps RAD file

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

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

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

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

Modified Compiler with support for large models and textures

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