#4660
Professional software analysis solutions enable developers to gain a deeper understanding of how software works, so as to identify the defects, compliance, security, interoperability, and performance issues in the software development process. This same applies to software developers, software debuggers, and reverse engineers.

#3356
OllyDbg is a professional 32-bit assembler-level analyzing debugger from Germany, written for both Windows 32-bit and 64-bit, released and kept as freeware. As is known to all, it is really an edge tool for software cracking, and a must-have tool for many novices.

#3314
Modifying the data in memory can be not only used to decode/hack software, also used to hack all kinds of games (especially PC games and emulator based video games). Cheat Engine (CE for short) can make one game easier or more difficult, in other words, that's to be more suitable for you (but not necessarily to be more interesting)! Its principle is - the memory debugging/hacking.

#2693
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.