Level Creation

Alternative to Hammer

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

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

Batch compile Source and GoldSrc Maps

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

Older program used for editing entities within bsp maps

Generate mazes for your level in GoldSrc

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 Compiler for Source Maps

Open-source library for reading and editing BSP files

Aids in nthe process of converting GoldSrc maps into Source maps

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

Decompile GoldSrc .bsp files into Hammer .map files.

Edit the entities of Source and GoldSrc games

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

The Official Editor for Valve Games

automatically finds mapfiles to compile in the directory it is run

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

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

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.

Standalone Compiler for GoldSrc Maps

Free, Opensource, drop-in editor replacement for Hammer

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

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

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

Create Displacements for your maps

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

Some Dev Texture guides to aid with level creation

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

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

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

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

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

GUI Compiler for Half-Life Maps

Multi Game Map Editor that supports Half-life

ZHLT rebuilt and up to date with latest engine build

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

Alternative Map Editor for GoldSrc games

Inserts instances into a map

View and Edit the Entity information of a compiled BSP Map

Alternative to Hammer Editor for Level design

Older free for personal use version of Terragen for sculpting landscapes

Valve Map Extractor modified version (Successor to VMEX)

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

A GUI tool for embedding custom content

Useful tool for extracting the contents of BSP files

Random SP map generator for Half-Life

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

Collection of tools useful 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.

Analyzes and reports on errors in the map compilation process

Modified Compiler with support for large models and textures

Simple tool for converting world units into Hammer Units

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.

Generate forests within your maps based on surface type

RandMap is a random map generator for Half-Life

A collection of FGD's for GoldSrc

Preview a map contained in a BSP file.

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

The only native Mac OS X level editor for Quake 1

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

Create a custom light style for your goldSrc maps

Small prefab to help protect your map

A tool to assist in the compiling of source engine maps

Collection of the main tools required for mapping with GoldSrc

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

Create an easily readable version of an FGD (commandline)

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

Batch map compiler for GoldSrc

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

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

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

Small collection of obfuscation techniques for maps

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

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

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

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

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

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

Tools supporting the creation of HDR Images for the Engine