Tools (Sorted by Engine)

Engine-Agnostic

Auto Seamer

(September 30, 2017)

Auto Seamer is a tool that assists in the creation of tileable textures, created by Ryan "Nemesis" Gregg.

BSP Quake Editor

(November 1, 2017)

BSP is a level editor for Quake-based games, created by Yahn Bernier.

Canyon Terrain Editor

(February 2, 2018)

The Canyon Terrain Editor is a terrain editing and generation program capable of outputting in a variety of formats.

J.A.C.K.

(October 3, 2017)

J.A.C.K. is a level editor with support for many Quake-based and GoldSrc games, written by Chain Studios.

Terragen Classic

(October 2, 2017)

Terragen is a scenery generation and rendering program by Planetside Software.

Wally

(October 6, 2017)

Wally is a WAD editing and management program written by Ty Matthews and Neal White III.

Worldcraft

(December 5, 2017)

Worldcraft is a series of level editors for Quake-based games, created by Ben Morris and owned by Valve. This page serves as a hub for as many versions of the editor as possible.

idTech (Quake and Onwards)

AdQuedit

(February 16, 2018)

AdQuedit is a WAD manager, sprite editor, archive viewer, palette editor, and general front-end for Quake utilities, written by Cable Hicks.

PakExplorer

(December 15, 2017)

PakExplorer is an archive viewer for Quake and Quake II, created by Ashley Bone.

PakScape

(April 13, 2018)

PakScape is an archive viewer for PAKs, PK3s, and ZIP files, written by Peter Engstrom.

Quake Map Sources and Original WADs

(June 29, 2018)

The original map sources for the game Quake, as built by id Software in 1996. Also for download are the WAD files needed to build the levels.

Quake WAD Overhaul Project

(April 27, 2018)

The Quake WAD Overhaul Project is the Valve Developer Union's effort to piece together a set of comprehensive starter WADs for use in Quake level editors.

TexMex

(September 27, 2017)

TexMex is a graphical WAD and texture management tool for Quake-based and GoldSrc games created by Mike Jackman.

TrenchBroom

(February 23, 2018)

TrenchBroom is a level editor written primarily by Kristian Duske, focusing on the creation of levels in full 3D.

Virtus Deathmatch Maker

(March 2, 2018)

Deathmatch Maker was a commercially-sold, now abandonware level editor from Virtus Corporation.

GoldSrc

bspfix

(October 14, 2017)

bspfix is a tool by tschumann for converting to and from the Half-Life: Blue Shift BSP format.

BSPTwoMap

(September 16, 2017)

BSPTwoMap is a GoldSrc map decompiler created by Skyler "Zipster" York, capable of turning playable maps back into editable ones.

Darkulator

(October 7, 2017)

Darkulator is a small utility for editing the brightness and light levels in GoldSrc maps, written by botman.

Half-Life Texture Tools

(January 5, 2018)

Half-Life Texture Tools is a texture tool by Juraj Novák with an all-in-one approach to WAD and sprite editing.

Jed's Half-Life Model Viewer

(April 20, 2018)

Jed's Half-Life Model Viewer is a fork of the original Half-Life Model Viewer, written by Neil Jedrzejewski.

Paranoia 2 Model Viewer

(December 22, 2017)

Paranoia 2 is a GoldSrc model viewer developed by Unkle Mike.

Raven

(May 18, 2018)

Raven is an unfinished sandbox mod for GoldSrc with a variety of upgrades and features added. Its code has been released for reuse and modification through VDU by its creator.

Solokiller's Half-Life Model Viewer

(October 14, 2017)

Solokiller's Half-Life Model Viewer is a GoldSrc model viewer written to replace the aging Jed's Half-Life Model Viewer.

Sprite Explorer

(January 26, 2018)

Sprite Explorer is a sprite viewer and compiler for GoldSrc games, written by Wrench Software.

Spritefixer

(June 1, 2018)

Spritefixer is a tool by @nty for changing the orientation of GoldSrc sprites.

wad2bmp

(October 1, 2017)

wad2bmp is a command-line GoldSrc texture extractor, written by Ryan "Nemesis" Gregg.

WinBSPC

(September 18, 2017)

WinBSPC is a Quake and GoldSrc map decompiler by Mr. Elusive.

Source

BSPSource

(September 16, 2017)

BSPSource is a map decompiler for Source games based on VMEX and currently maintained by ata4.

Crowbar

(September 26, 2017)

Crowbar is a model compiler and decompiler for all GoldSrc and Source games, written by ZeqMacaw.

Counter-Strike: Global Offensive Weapon Skin Templates

(October 16, 2017)

An archive of UV maps and weapon models for custom weapon skins in Counter-Strike: Global Offensive.

GCFScape

(October 16, 2017)

GCFScape is a tool capable of viewing the innards of game archives, written by Ryan "Nemesis" Gregg.

Half-Life 2 Beta Textures

(May 25, 2018)

Half-Life 2 only shipped with a fraction of the textures Valve created for the game. The rest of them can be found in this download.

HammerThemes

(Feburary 9, 2018)

HammerThemes is a utility by RedMser for customizing the colors the Hammer Editor uses for the 2D viewports.

Orphaned Source SDK Content

(October 11, 2017)

With Steampipe, Valve transitioned away from a single SDK to including authoring tools for each game. Sample files and source code were left behind. These are now archived here.