Level Creation

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

Creates .Res files for Source games running on a server

Preview a map contained in a BSP file.

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

A tool for compiling maps from VMF to BSP format

Batch compile Source and GoldSrc Maps

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

A tool to assist in the compiling of source engine maps

Create a Map using color information through 2D

A small collection of FGD's for Source

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

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

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

Generate forests within your maps based on surface type

Legacy compilation tools for quake

Simple tool for converting world units into Hammer Units

Collection of the main tools required for mapping with GoldSrc

Hack the colors in WorldCraft

Basic Model viewer for GoldSrc

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

Preview a map contained in a BSP file.

GUI Compiler for Source Maps

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

Edit light values inside a Maps RAD file

Lists maps for easy maplist.txt

Standalone Compiler for Source Maps

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

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

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

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.

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

RandMap is a random map generator for Half-Life

Small utility for helping protect bsp maps

Modified Compiler with support for large models and textures

A collection of FGD's for GoldSrc

Batch map compiler for GoldSrc

Custom DLL that supports transparency in Half-Life for Steam

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

Decrypt files that have been protected with BSPProtect (commandline)

Small prefab to help protect your map

Valve Map Extractor modified version (Successor to VMEX)

Collection of various bspconv exes i have found around the net

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

This program will create a half-life2 displacement map from a heightmap image.

Create an easily readable version of an FGD (commandline)

Alternative Map Editor for GoldSrc games

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

Tools supporting the creation of HDR Images for the Engine

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

A tool for tweaking hammer settings and using multiple texture profiles

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

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

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

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

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

A tool to generate cl_leveloverview from BSP files

Simple bindings for debugging maps

Modified versions of the tools used in the Map compilation process

Create Displacements for your maps

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

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

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

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

Editor used for 007 Nightfire map creation

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

Tool for compiling Maps from hammer

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

View and Edit the Entity information of a compiled BSP Map

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

A small VMF to JSON parser

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

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

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

Older free for personal use version of Terragen for sculpting landscapes

Quake2/3 map surface generator

Multi Game Map Editor that supports Half-life

Frontend wrapper for netvis

GUI frontend for Source compiling tools

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.