• Tools:
OllyDBG – the original (ver. 1.10) - Debugger
OllyDBG – R4ndom’s version (with scripts and plugins) - Debugger [-]
CmpDisasm - Compare binary disassemblies, as well as hex and PE headers.
Detect It Easy (DIE) - PE Packer identifier
PeID - PE Packer identifier
RDG - PE Packer identifier
exeinfoPE - PE Packer identifier
ImpREC - Import Re-constructor
LordPE - PE verifier, dumper, editor etc.
PEBrowse - PE viewer/editor/disassembler
Peditor - PE viewer/editor
PEView - PE viewer/editor
ShowString - Shows all ASCII strings in a binary
Resource Hacker - Allows modifying resources in binaries
Armadillo KeyTool - A great tool by eXoDia for analyzing Armadillo packed binaries.
CFF Explorer Suite - Great PE and hex editor.
dUP2 - Universal patcher by diablo2002.
ShellOp Converter - Convert shellcode to opcodes and disassembly by Levis.

• Olly Plugins:
TLSCatch - New version 0.3 by waliedassar.
MUltimate Assembler - Multi line assembler by RaMMicHaeL.
Olly Callstack - Call stack plugin by Zer0Flag (2.0 only).
+BP-Olly - Open up a new ‘floating’ toolbar at the top of Olly.
AnalyzeThis+ - Allow OllyDbg’s analysis function to operate outside of the marked code segment
Anti-Anti Hardware BP - Hooks ntdll to restore the Drx registers after a Structured Exception Handler.
API Break - This plugin allows you to set a breakpoint on many popular Windows API’s
Ascii Table - quickly displays the ASCII chart in hex, decimal, octal and ascii.
Attach Anyway - A PoC OllyDbg plugin designed to remove a process’ hook on NtContinue.
Bookmark - This handy plugin allows the user to set bookmarks
Code Ripper - Allows you to copy code from the binary in a nicely formatted way.
Command Bar - Allows quickly applying breakpoints, finding API’s etc.
Hide Debugger - Hides OllyDbg from many debugger detection tricks.
HideOD - Allows Olly to be hiden from the debugged application.
IDAFicator - .
IsDebugPresent - Hides debugger from IsDebuggerPresent Windows API.
Mnemonic Help - Displays information about the currently selected opcode mnemonic.
NanoWrite - Helps you write code injection.
Olly Advanced - A ‘must have’. Fixes bugs and adds functionality
Olly Breakpoint Manager - Provides breakpoint exporting, importing and automatic breakpoint loading.
Olly Toolbar Manager - Allows you to create your own toolbar.
OllyDump - Allows you to dump the debugged process after you have modified it.
OllyPad - Lets you create notes for the currently debugged application and stores them for later use.
OllybonE - Break-on-Execute for OllyDbg.
OllyDBG Script - Allows Olly to run of the thousands of scripts written for Olly.
StrongOD - A ‘Swiss army knife’ of functionality.
Ultra String Reference - A supped-up version of the built in “search for String References“.

• Texts:
The Art Of Assembly - Best ASM instructional book out there.
PC Assembly Language - Another classic.
Win32asm Tutorial - A very good beginning tutorial by Thomas Bleeker
Windows Messages - All Windows messages with their hex values
Anti-Debugging- A Developer’s View - Very complete text on anti-debugging
Anti Reverse Engineering Guide - Down and dirty guide
Methods of Code Obfuscation - Very detailed guide to obfuscation
OllyDBG Detection Techniques - Ways of specifically detecting Olly
Ultimate Anti-Debugging Reference - Most complete guide I’ve seen