Level Creation

Batch compile Source and GoldSrc Maps

Inserts instances into a map

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

A small collection of FGD's for Source

Open-source library for reading and editing BSP files

Simple bindings for debugging maps

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

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

Creates .Res files for Source games running on a server

Batch map compiler for GoldSrc

Small utility for helping protect bsp maps

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

GUI Compiler for Half-Life Maps

RandMap is a random map generator for Half-Life

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

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

Modified versions of the tools used in the Map compilation process

A small VMF to JSON parser

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

Basic Model viewer for GoldSrc

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

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.

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

Frontend wrapper for netvis

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

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

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

Small application for viewing map files, Superseded by crafty

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

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

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

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

Simple tool for converting world units into Hammer Units

Create a Map using color information through 2D

Generate mazes for your level in GoldSrc

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

Collection of various bspconv exes i have found around the net

Custom DLL that supports transparency in Half-Life for Steam

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

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

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.

GUI Compiler for Source Maps

Generates Terrain for Games

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

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

Modified Compiler with support for large models and textures

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

Create a custom light style for your goldSrc maps

Great little application for viewing skys used in game

A GUI tool for embedding custom content

Multi Game Map Editor that supports Half-life

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

Alternative Map Editor for GoldSrc games

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

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

Decrypt files that have been protected with BSPProtect (commandline)

Small prefab to help protect your map

Alternative Map Editor for GoldSrc games

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

A collection of FGD's for GoldSrc

Tools supporting the creation of HDR Images for the Engine

Alternative to Hammer Editor for Level design

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 tools useful for mapping with GoldSrc

Update to ZHLT

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

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

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

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

Standalone units converter

Decompile GoldSrc .bsp files into Hammer .map files.

Identifies and archives all dependencies for bsp files.

Hack the colors in WorldCraft

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

Windows interface that frontends the compiling utilities

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

Small tool for generating Random Source Maps

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

Tool for compiling Maps from hammer

Quake2/3 map surface generator