Level Creation

Decrypt files that have been protected with BSPProtect (commandline)

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.

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

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

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

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

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.

Rotates selected entity types in a map

Small prefab to help protect your map

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

Modified Compiler with support for large models and textures

The Original official mapping utility from Valve

Alternative Map Editor mainly used for Quake 2 but compatible with GoldSrc

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

Legacy compilation tools for quake

Valve Map Extractor, Decompile BSP maps for source (original version)

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.

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

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

Alternative to Hammer

Batch compiler for automating Map Compilation

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

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

The only native Mac OS X level editor for Quake 1

Adjust the light levels in a map

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

A small VMF to JSON parser

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

Create a Map using color information through 2D

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

converts Minecraft files into vmf files

Generates Terrain for Games

Basic Model viewer for GoldSrc

Tool for compiling Maps from hammer

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

Create Displacements for your maps

Some Dev Texture guides to aid with level creation

Aids in nthe process of converting GoldSrc maps into Source maps

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

Hack the colors in WorldCraft

Simple tool to change VTF versions from 7.5 to 7.4

Preview a map contained in a BSP file.

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

Create an easily readable version of an FGD (commandline)

Standalone units converter

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

Alternative Map Editor for GoldSrc games

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

Useful tool for extracting the contents of BSP files

Tools supporting the creation of HDR Images for the Engine

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

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

Simple tool for converting world units into Hammer Units

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

A tool for compiling maps from VMF to BSP format

Batch files for killing the compile processes

View and Edit the Entity information of a compiled BSP Map

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

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

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

automatically finds mapfiles to compile in the directory it is run

Great little application for viewing skys used in game

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

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

RandMap is a random map generator for Half-Life

Custom DLL that supports transparency in Half-Life for Steam

Frontend wrapper for netvis

Standalone Compiler for GoldSrc Maps

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

A collection of FGD's for GoldSrc

Random SP map generator for Half-Life

Free, Opensource, drop-in editor replacement for Hammer

Modified versions of the tools used in the Map compilation process

Batch compile Source and GoldSrc Maps

Windows interface that frontends the compiling utilities

A tool for tweaking hammer settings and using multiple texture profiles

GUI Compiler for Half-Life Maps

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

Standalone Compiler for Source Maps