Level Creation

Tool for compiling Maps from hammer

A tool to generate cl_leveloverview from BSP files

Well made Russian Level Editor for GoldSrc

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

Useful tool for extracting the contents of BSP files

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

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

Alternative to Hammer Editor for Level design

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

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

Convert Worldcraft 3.3 Maps into the Radiant Format

A collection of JavaScript functions to load Goldsource and Source map files and render them. Not an editor.

Standalone Compiler for GoldSrc Maps

GUI frontend for Source compiling tools

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

Simple tool to dump raw data from Valve's map files.

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

Older program used for editing entities within bsp maps

Simple tool for converting world units into Hammer Units

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

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

Collection of tools useful for mapping with GoldSrc

Standalone Compiler for Source Maps

Quake2/3 map surface generator

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

Preview a map contained in a BSP file.

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

converts Minecraft files into vmf files

Free, Opensource, drop-in editor replacement for Hammer

GUI Compiler for Half-Life Maps

A GUI tool for embedding custom content

Alternative Map Editor for GoldSrc games

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

Edit the entities of Source and GoldSrc games

Simple bindings for debugging maps

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

Tools supporting the creation of HDR Images for the Engine

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

Great little application for viewing skys used in game

Older free for personal use version of Terragen for sculpting landscapes

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

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

Some Dev Texture guides to aid with level creation

Q3 .map to HL2 .vmf converter

Create a custom light style for your goldSrc maps

A tool for tweaking hammer settings and using multiple texture profiles

Modified Compiler with support for large models and textures

View and Edit the Entity information of a compiled BSP Map

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

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

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

Alternative to Hammer

Decompile GoldSrc .bsp files into Hammer .map files.

Frontend wrapper for netvis

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

Batch compiler for automating Map Compilation

Generate forests within your maps based on surface type

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

Create an easily readable version of an FGD (commandline)

A small collection of FGD's for Source

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.

Random SP map generator for Half-Life

GUI Compiler for Source Maps

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.

The Original official mapping utility from Valve

Generate mazes for your level in GoldSrc

A small VMF to JSON parser

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.

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

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

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

Simple tool to change VTF versions from 7.5 to 7.4

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.

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

Collection of various bspconv exes i have found around the net

Decrypt files that have been protected with BSPProtect (commandline)

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

A tool for compiling maps from VMF to BSP format

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

Small collection of obfuscation techniques for maps