Level Creation

Q3 .map to HL2 .vmf converter

Create an easily readable version of an FGD (commandline)

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

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

Standalone Compiler for GoldSrc Maps

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

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

A tool to generate cl_leveloverview from BSP files

Lists maps for easy maplist.txt

ZHLT rebuilt and up to date with latest engine build

Collection of tools useful for mapping with GoldSrc

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.

Create Displacements for your maps

Free, Opensource, drop-in editor replacement for Hammer

Simple tool for converting world units into Hammer Units

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

Convert maps between Quake3 and Half-Life

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

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

Standalone units converter

Rotates selected entity types in a map

View and Edit the Entity information of a compiled BSP Map

Simple tool to change VTF versions from 7.5 to 7.4

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

GUI Compiler for Half-Life Maps

Multi Game Map Editor that supports Half-life

Open-source library for reading and editing BSP files

Batch map compiler for GoldSrc

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

Adjust the light levels in a map

Small prefab to help protect your map

The Official Editor for Valve Games

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

The only native Mac OS X level editor for Quake 1

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

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

Hack the colors in WorldCraft

The Original official mapping utility from Valve

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

Great little application for viewing skys used in game

A collection of FGD's for GoldSrc

Quake2/3 map surface generator

Aids in nthe process of converting GoldSrc maps into Source maps

converts Minecraft files into vmf files

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

A tool to assist in the compiling of source engine maps

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

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

Edit the entities of Source and GoldSrc games

Older free for personal use version of Terragen for sculpting landscapes

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

Standalone Compiler for Source Maps

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

Collection of the main tools required for mapping with GoldSrc

Create a custom light style for your goldSrc maps

Decompile GoldSrc .bsp files into Hammer .map files.

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

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

Inserts instances into a map

Alternative Map Editor for GoldSrc games

Well made Russian Level Editor for GoldSrc

Update to ZHLT

Frontend wrapper for netvis

Decompiles some BSP maps with most support for Nightfire 007

Tools supporting the creation of HDR Images for the Engine

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

Preview a map contained in a BSP file.

RandMap is a random map generator for Half-Life

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

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.

Alternative Map Editor for GoldSrc games

A small VMF to JSON parser

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

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

automatically finds mapfiles to compile in the directory it is run

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

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

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

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

Valve Map Extractor modified version (Successor to VMEX)