Level Creation

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

The Original official mapping utility from Valve

View and Edit the Entity information of a compiled BSP Map

automatically finds mapfiles to compile in the directory it is run

A small VMF to JSON parser

Decompiles some BSP maps with most support for Nightfire 007

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

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

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

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

converts Minecraft files into vmf files

Create a custom light style for your goldSrc maps

Rotates selected entity types in a map

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

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

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

Legacy compilation tools for quake

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

Compiler and Decompiler rolled into one tool

Standalone Compiler for Source Maps

Open-source library for reading and editing BSP files

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

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

Custom DLL that supports transparency in Half-Life for Steam

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

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

Creates .Res files for Source games running on a server

Small collection of obfuscation techniques for maps

GUI Compiler for Half-Life Maps

Collection of tools useful for mapping with GoldSrc

Decrypt files that have been protected with BSPProtect (commandline)

Hack the colors in WorldCraft

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

Useful tool for extracting the contents of BSP files

Generates Terrain for Games

Batch map compiler for GoldSrc

Analyzes and reports on errors in the map compilation process

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

Preview a map contained in a BSP file.

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

A collection of FGD's for GoldSrc

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

Simple tool for converting world units into Hammer Units

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

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

ZHLT rebuilt and up to date with latest engine build

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

Generate forests within your maps based on surface type

Inserts instances into a map

Alternative Map Editor for GoldSrc games

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

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

Generate mazes for your level in GoldSrc

Aids in nthe process of converting GoldSrc maps into Source maps

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

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

Convert Worldcraft 3.3 Maps into the Radiant Format

Windows interface that frontends the compiling utilities

A tool for compiling maps from VMF to BSP format

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

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

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

Edit the entities of Source and GoldSrc games

Great little application for viewing skys used in game

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

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

Random SP map generator for Half-Life

Create a Map using color information through 2D

Collection of the main tools required for mapping with GoldSrc

Create Displacements for your maps

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.

Small application for viewing map files, Superseded by crafty

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

GUI Compiler for Source Maps

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

Well made Russian Level Editor for GoldSrc

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

A tool to assist in the compiling of source engine maps