From BigPackets Game Hacking Wiki
Oldschoolhack fusion on Counter Strike Source
2008 OldSchoolHack Injected on Counter Strike Source

OldSchoolHack, long for OSH, is a Public Hack and VIP Hack provider created and owned by KN4CK3R. It is currently on


OldSchoolHack used to have (or still does) VIP Hacks named OSHFusion, which supported multiple engines.

KN4CK3R released OSHGui, which is probably one of the best Hack GUI Frameworks that ever were released.

KN4CK3R later released ReclassNET, which is a better C# clone of DrUnKeN ChEeTaH's ReClass.