Exeinfo PE is a popular and universal free analyzer & detector to executable files' packer/compressor/compiler, written in Delphi by A.S.L from Poland. It is capable of detecting 300+ binary data types (non EXE formats and more signatures on Ext_detector.dll) with info about how to open them via some free tool.

Decompiler and disassembler are essential tools for any sharp-sighted programmers. No matter which programming languages, they have their corresponding decompilers. For compiled Java binary class file, there are two excellent decompilers: they are freeware Java Decompiler and commercial software DJ Java Decompiler (AppNee will release its related resources later).

Cyborg Linux (AKA: Cyborg Hawk) is a Ubuntu (currently the most popular Unix-like OS) based penetration testing Linux distro, specially designed for hackers or cyber security experts to perform all kinds of network security penetration testing, assessment, computer forensics and more.

As the most widely used static disassembly tool, IDA Pro holds an important place in the IT field, but documentations about it have been few or imperfect and not in-depth enough for a very long time. The IDA Pro Book came out with help of the founder of IDA, which perfectly made up for the defects. For now, it can be regarded as the best (most accurate and comprehensive) unofficial guide for the world's most popular disassembler IDA.

Introduction to Cracking with OllyDbg from Scratch (Spanish: INTRODUCCION AL CRACKING CON OLLYDBG DESDE CERO) was written by Ricardo Narvaja (belongs to the mailing list CrackSLatinoS) from Spanish, who has written more than 2100+ tutorials about SoftICE (old course on Windows 98) and OllyDbg (new course on Windows XP). Believe us, it is the only most perfect, amazing tutorial about OllyDbg you can find on the whole Internet.