Level Creation

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

View and Edit the Entity information of a compiled BSP Map

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

GUI Compiler for Half-Life Maps

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

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

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

Creates .Res files for Source games running on a server

Rotates selected entity types in a map

Standalone Compiler for Source Maps

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

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.

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

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

Legacy compilation tools for quake

Frontend wrapper for netvis

Create an easily readable version of an FGD (commandline)

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

Create a custom light style for your goldSrc maps

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

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

Preview a map contained in a BSP file.

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.

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

A tool to assist in the compiling of source engine maps

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

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

Windows interface that frontends the compiling utilities

A small VMF to JSON parser

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

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

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

A tool to generate cl_leveloverview from BSP files

Editor used for 007 Nightfire map creation

Small utility for helping protect bsp maps

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

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

Basic Model viewer for GoldSrc

Modified Compiler with support for large models and textures

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

Create a Map using color information through 2D

Great little application for viewing skys used in game

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.

Standalone units converter

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.

Adjust the light levels in a map

Q3 .map to HL2 .vmf converter

Custom DLL that supports transparency in Half-Life for Steam

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

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

Quake2/3 map surface generator

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

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

GUI frontend for Source compiling tools

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

Small collection of obfuscation techniques for maps

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

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

Simple tool for converting world units into Hammer Units

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

Tools supporting the creation of HDR Images for the Engine

Random SP map generator for Half-Life

Simple tool to change VTF versions from 7.5 to 7.4

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.

Collection of the main tools required for mapping with GoldSrc

Alternative Map Editor for GoldSrc games

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

A tool for compiling maps from VMF to BSP format

The Official Editor for Valve Games

A small collection of FGD's for Source

Decrypt files that have been protected with BSPProtect (commandline)

Update to ZHLT

Identifies and archives all dependencies for bsp files.

Compiler and Decompiler rolled into one tool

Some Dev Texture guides to aid with level creation

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

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

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

Preview a map contained in a BSP file.