Sledge

All Official and Third Party Half-Life SDK (GoldSrc) tools

Mod tools	XBLAH's Modding Tool

Map Editors	GtkRadiant → NetRadiant-Custom • Hammer 3.x → Sledge → J.A.C.K. • QuArK • TrenchBroom • Svencraft • Gearcraft

Map compilers	Original compilers: QCSG • QBSP2 • VIS • QRAD ZHLT, VHLT and derivatives: HLCSG • HLBSP • HLVIS • HLRAD ericw-tools (experimental)

Map converters	005 Decompiler • BspTwoMap → WinBSPC → MBSPC → Half-Life Unified SDK Map Decompiler

Map tools	Macro Entity Scripting System • BSPEdit • BSP Viewer → Crafty • BSP30Editor • bspguy → newbspguy • Wintextract • BSPFix • UnrealMapDrawTool

Model compilers	StudioMDL • Crowbar (frontend)

Model tools	HLMV → Half-Life Asset Manager • Crowbar

Texture tools	Qlumpy • TexMex • Wally • Half-Life Texture Tools • Half-Life Texture Tools CLI • WadMaker & SpriteMaker

Sprite Tools	SPRView • Sprite Explorer • Sprite Wizard • Sprite Tools

Plugins	Blender Source Tools

Other	GCFScape • PakScape

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