Explorer Suite is a free suite of tools including a process viewer and a PE editor Created by Daniel Pistelli (Ntoskrnl), Explorer Suite is a free suite of tools including a process viewer and a PE editor. called CFF Explorer.
The PE editor has full support for PE32/64. Special fields description and modification (.NET supported), utilities, rebuilder, hex editor, import adder, signature scanner, signature manager, extension support etc. First PE editor with support for .NET internal structures. ....