RE tools

IDA - oblig https://www.hex-rays.com/products/ida/index.shtml

HEX workshop http://www.hexworkshop.com/

PE - Bear http://hshrzd.wordpress.com/pe-bear/

C4 Decompiler http://www.c4decompiler.com/downloads/

GUNpacker http://www.woodmann.com/collaborative/tools/index.php/GUnPacker

API Monitor http://www.rohitab.com/apimonitor

XN resource Editor http://portableapps.com/apps/utilities/xn_resource_editor_portable