Level Creation

GUI Compiler for Half-Life Maps

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

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

A tool for tweaking hammer settings and using multiple texture profiles

Analyzes and reports on errors in the map compilation process

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

Generate mazes for your level in GoldSrc

Convert maps between Quake3 and Half-Life

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

Alternative to Hammer Editor for Level design

A GUI tool for embedding custom content

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

Standalone Compiler for GoldSrc Maps

Modified versions of the tools used in the Map compilation process

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

Decrypt files that have been protected with BSPProtect (commandline)

Modified Compiler with support for large models and textures

Legacy compilation tools for quake

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.

Preview a map contained in a BSP file.

GUI Compiler for Source Maps

Useful tool for extracting the contents of BSP files

Editor used for 007 Nightfire map creation

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

Decompiles some BSP maps with most support for Nightfire 007

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

This is Badger. It's a tool to generate levels for Half-Life 2, Black Mesa.

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.

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

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

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

Create a custom light style for your goldSrc maps

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

automatically finds mapfiles to compile in the directory it is run

Small utility for helping protect bsp maps

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

The only native Mac OS X level editor for Quake 1

Standalone Compiler for Source Maps

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

Collection of tools useful for mapping with GoldSrc

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

Small prefab to help protect your map

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

Creates .Res files for Source games running on a server

Simple bindings for debugging maps

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

Edit the entities of Source and GoldSrc games

Valve Map Extractor modified version (Successor to VMEX)

A tool for compiling maps from VMF to BSP format

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.

Custom DLL that supports transparency in Half-Life for Steam

Quake2/3 map surface generator

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

Standalone units converter

Convert Worldcraft 3.3 Maps into the Radiant Format

The open source, cross platform level editor for id Tech games.

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

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

Update to ZHLT

Basic Model viewer for GoldSrc

Older free for personal use version of Terragen for sculpting landscapes

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

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

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

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

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

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

Lists maps for easy maplist.txt

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

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

Collection of various bspconv exes i have found around the net

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

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.

Batch files for killing the compile processes

Well made Russian Level Editor for GoldSrc

Alternative to Hammer

View and Edit the Entity information of a compiled BSP Map

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