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Crowbar

github.com

  • Free
  • Windows
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What it is

Crowbar is a free Windows tool for modding GoldSource and Source Engine games. It can decompile, compile, and view models, as well as unpack, inspect, and search several package types: Valve VPK, Garry's Mod GMA, Vampire: The Masquerade - Bloodlines VPK, Tactical Intervention FPX, and Fairy Tale Busters APK. Users can also pack folders into Valve VPK and Garry's Mod GMA packages. The decompiler can recreate QC, mesh, animation, and procedural-bone files, while batch decompile and compile workflows can process a chosen folder and its subfolders. Crowbar can download Workshop items and publish items for several games; version 0.74 added publishing support for seven named games. Windows XP or later and .NET Framework 4 are required. Model compiling needs the game's authoring tools or SDK and studiomdl.exe; viewing models needs authoring tools or an SDK and hlmv.exe. The release page identifies version 0.74, dated February 2023, as the latest release shown. The maker points users to guides, tutorials, reference materials, Discord modding channels, and Steam discussions for help.

Good, and not so good

  • Decompiles, compiles, and views models
  • Works with several package formats
  • Batch workflows process folders and subfolders
  • Can download and publish Workshop items
  • Requires Windows XP or later and .NET Framework 4
  • Model compiling needs game authoring tools or an SDK
  • Model viewing needs authoring tools or an SDK
  • Latest release shown is dated February 2023

Who it suits

Crowbar suits Windows modders working with GoldSource or Source Engine models and game packages. It is also relevant to users who need batch processing or Workshop download and publishing workflows.

Crowbar covers model workflows, package handling, and Workshop tasks for GoldSource and Source Engine games. Check the Windows requirements and game-tool dependencies for the specific task you need.

Plans

  • CrowbarNo paid tiers stated; donations are optionalFree

As steamcommunity.com lists them, read 4 Oct 2026.