REVOLUTiON CSM SourceSDK SP3 includes:

SourceSDK (Version from June 18, 2007):
Editor-Hammer (Build 3700)
- Model Viewer (Build Dec 11 2006)
- Face Poser (Build 14 May 2007)
etc.

Compiling / DeCompiling :
Tool-Compiling WoS (Build Apr 2007)
TCG – Compiler (Version 4.0.1)
CST – GUI Compiler (Version 2.1.0.2)
- Batch Compiler (Version 3.1.2)
- VMEX DeCompiler (Version 0.98f)

Content Manage : – PakRat (Version 0.95)
- EntSpy (Version 0.Cool
- Map Analyst MAN (Version 2.5)
- WinBSPZip (Version 0.2.1)
- GCFScape (Version 1.6.4)
- Object Viewer (Version 1.0.0 Alpha 13)

Texturing :
- VTF Explorer (Version 1.31)
VTF – Edit (Version 1.2.3)
VTF-Tool (Version 0.5 beta)
- VTEX GUI (Version 0.51 beta)
- Create VMT (Version 1.0.0)
- Normal Map Generator
AUTO – SEAMER (Version 1.0.1)

Modeling :
- Studio Compiler (Version 0.3a)
- GUI StudioMDL (Version 2.1)

Terrain : – Terrain Generator (Version 3.0.5)
- DispGen (Version 0.1A)

Other :
- STEAMemu 3.71 from hCUPa to run your game Source
- Ishodniki examples cards
Custom-Source Tools (CST) 1.1 compilers (Kompilyat stake in the BSP 19)
- Additional FGD files for HL2, HL2DM, CSS, DODs
VTF-Shell Extensions 1.3 (VMF display materials in the form of miniatures in Explorer)
VTF-Format (plugin installed for all returned to the computer version of Photoshop)
- Game Configuration Manager (Save / Load / Sbrasyvat settings GameConfig.txt)

Changes in SP3 :
[-bug] Fixed bug in GameConfig.default with incorrect path to compilers for CSS (“%sourcesdk%\bin\vbsp.exe” instead of “%sourcesdk%\vbsp.exe” )
[+upd] Updated SteamEmu. STEAMemu 3.71 from hCUPa is used (GMod10 fixed)
[+upd] Updated SourceSDK to version from June 18, 2007
[+upd] Updated Source Engine (14:38:01 Jun 25 2007 (3152))
[+upd] Updated GUI StudioMDL 2.0 to version 2.1
[+upd] Updated HLLib.dll 1.1.6 to version 2.0.7
[+upd] Updated VTFLib.dll 1.2.2 to version 1.2.5
[+upd] Updated VTFEdit 1.1.0 to version 1.2.3 (patched to use HLLib.dll v. 2.0.7)
[+upd] Updated VTF Shell Extensions 1.3 (patched to use VTFLib.dll v. 1.2.5)
[+upd] Updated Photoshop VTF plugin 1.0.6 to version 1.0.7
[+upd] Updated GCFScape 1.3.1 to version 1.6.4 (now use .NET Framework 2.0)
[+upd] Updated Batch Compiler Specifications
[+upd] Updated VMEX decompiler v0.98b to version v0.98f
[+upd] Updated PakRat v0.94 to version v0.95
[+add] Added support of GCF files. SDK tools and source engine will detect GCF files and mount them. Almost no need to extract GCF files anymore
[+add] Added map sources for HL2, HL2DM, CSS, DODs
[+add] Added Tool Compiling WoS
[+add] Added Terrain Generator v3.0.5
[+add] Added Dispgen 0.1a
[+add] Added Crafty v1.0.0 Alpha 13 (patched to use HLLib.dll v. 2.0.7 and VTFLib.dll v. 1.2.5)
[+add] Added vmtCREATE auto configuration (setup.ini) during startup
[+add] Added Map Analyst auto configuration (man.cfg) during startup
[+add] Added custom Game Definition Files for HL2, HL2DM, CSS, DODs
[+min] Other minor non-critical changes
A complete list of changes in all versions can be found here : http://cs-mapping.com.ua/tools/rev_sdk/WhatsNew.txt