Third Party Tools

This is a sorted list of third party tools with brief descriptions. See also: :Category:Third Party Tools.
==BSP related==
*AutoBSPpackingTool - a tool that detects and packs almost every possible custom asset that can be used in a BSP map
*BSP Viewer - view and export GoldSrc maps
*BrushForge - view GoldSrc and Source BSP maps & WADs
*BSP2MAP - convert GoldSrc BSP maps to .map files
*bspguy - a tool for modifying and merging Sven Co-op GoldSrc maps without decompiling
*BSPSource - improved Source BSP decompiler based on VMEX
*BspZipGui - allows you to embed a folder with your files into BSP file, repack (compress and decompress) and can save different map configurations; it uses BSPZIP for the actual packing
*Crafty - an updated BSP Viewer with more features and Source support
*EntEd - view and edit entity properties of a BSP
*Entspy - view and edit entity properties of a BSP
*Map Analyst - alternative to BSPZIP - embed custom content such as materials, models, textures into a BSP
*newbspguy - view and edit GoldSrc BSP maps. An updated bspguy with new features
*Packbsp - embed custom content such as materials, models, textures into a BSP
*Pakrat - GUI replacement for BSPZIP
*VBSP_h4xed - greatly increase maximum size of visleaves
*VIDE - multi-purpose development suite with BSP packing and asset editing capabilities
*VMEX - Source BSP decompiler
*WinBSPC - GoldSrc BSP decompiler
*WinBSPZip - GUI frontend for BSPZIP
==Compiling==
*Batch Compile Tool - compile Source .vmf maps outside of Hammer
*CSTBSP - custom BSP compiler
*CSTRAD - custom RAD compiler
*CSTVIS - custom VIS compiler
*Compile Pal - compile Source maps with presets and utilities to streamline the process of releasing maps
*Hazard Team Compile Tool - similar to Batch Compile Tool, but geared toward sequential compiles and quick compile presets
*Source Compile Analyzer - detects errors in compile logs
==Level editing==
*Hammer++ - a community-made modification of Valve Hammer Editor for the Source engine that provides an updated, feature-rich version of the editor
*Microbrush - a brush editor
*Quark - level editor
*Radiant - level editor
*Sledge - an open-source Level Editor that supports GoldSource Level Editing, it's also having work put in to fully support Source Level Editing as well
*Twister - generates displacements that would usually take an extremely long time, or just be impossible to do in Hammer
*Vgroup - group the map into VisGroups based on a grid
*Wall Worm - tools to use 3ds Max as Source Level Editor
==Models==
* Crowbar - decompile models, and a GUI front-end for compiling new ones
* FireSoft Half-Life MDL Converter - convert Source models to GoldSrc models
* FireSoft MS3D to SMD converter - convert the MS3D model used by the program MilkShape 3D into the format used by the SMD models compiler Studiomdl
* GUIStudioMDL - GUI for the command-line model compiler in the SDK
* Mdldecompiler - decompile models
* Propper - map compiler to export a model instead of a BSP
* Source Model Compiler - web-based model compiling service
* Source model skin editor - modify skins on a model without decompiling/recompiling
* Studiocompiler - model compiler
* VMF to SMD - convert VMFs to SMDs for use with Studiomdl
==Texture/Image tools==
See also: Image Manipulation Programs
*360g - convert BMP or TGA into VTF, generate VMTs and normal maps
*Fixvtf - convert Episode 2 format materials to Episode 1 format
*HL2Tex - convert TGA into VTF, and create VMTs
*no_vtf - batch convert VTFs into standard image formats
*TGAtoDUDV - convert TGAs to DUDVs without needing Steam to be running
*VMT Editor - open-source editor for VMT files
*VTF Creator - convert batches of images to textures
*VTF Explorer - viewing, converting, extracting VTFs and VMTs
*VTF Shell Extensions - extend Windows shell to support VTFs
*VTFCmd - convert images to textures and VTFs to TGAs
*VTFEdit - frontend for VTFLib
*VTFLib - open-source programming library for opening and saving VTFs
*VTFTool - outdated, replaced by VTFEdit
*VectorLib - library to draw vector images directly to memory
==Video==
*AVIKit - Windows library for accessing raw video and sound from AVI
*VirtualDub - free video capture/processing program
==Misc==
*CtxConverter - GUI "wrapper" which removes the default based DOS commands into decompiling and compiling CTX & TXT files
*DispGen - generate a Displacement map from a heightmap image
*DuctTape - a development integration and project building tool 
*GCFScape - open and extract GCF and VPK files
*HLLib - open source programming library which abstracts several Half-Life and Half-Life 2 package formats
*JERC - highly customisable radar/overview generator
*Map Obfuscator - renames all entities with non-descriptive names to discourage decompiling
*Map Resource Extractor - copies only used content from a VMF to a directory
*Notepad++ VDF languages - VDF highlighting profiles for Notepad++
*Object Viewer - 3D object, material, model, and file browsing
*OGLE the OpenGLExtractor - extract 3D shapes from a 3D scene
*P2 Multichunk Tool - offers an easy way for a Portal 2 mod to pack the assets onto multi-chunked vpk files
*Source SDK Windows Gadget - a replacement for most functions of the Source SDK Launcher and Left 4 Dead 1 & 2 Authoring Tools
*VGUI Localization Tool - a tool for easy localization of VGUI text files
==See also==
*3D Modeling Programs
Category:Hubs