Tools

Unix (general)

Rosetta Stone for Unix

Windows

Debugging Tools for Windows 6.12.2.633
Forcing a System Crash from the Keyboard
WinDbg Quick Download Links, Symbols, etc.
SystemDump
Application Verifier
IDA (freeware)
StressPrinters
Dependency Walker
Kernel Memory Space Analyzer
MS Debug Diagnostic Tool
InstantDump (JIT Process Dumper)
UDmp2Txt (processing hundreds of user dumps)
TestDefaultDebugger
TestDefaultDebugger PDB files
User Mode Process Dumper (userdump.exe)
Citrix DumpCheck (Explorer extension)
Citrix DumpCheck (Command line version)
All Sysinternals Tools
PowerDbg
Win32dd: tool to save physical memory
LiveKd
Windows System Dump Configuration/Validation Tool
Blue Screen Viewer
Collaborative debugging tool for code snippets
ProcDump (includes process cloning for Windows 7)
TraceHook v0.0.2
Psscor2 Managed-Code Debugging Extension for WinDbg
Generic tracer for simple debugging tasks (gt)
Process Explorer (now with dump saving capability)
NotMyFault
x64 thread stack parameter navigation (WinDbg extension)
Microsoft Hyper-V VM State to Memory Dump Converter
vmss2core: zero-configuration debugging tool for Virtual Machines
Python extension for WinDbg
Debug Analyzer
StackHash (WinQual Automation)
PowerShell automation to collect KD logs from dumps
Automatic processing of kernel minidumps to generate WinDbg logs
Memory region breakpoints (WinDbg extension)
Isolator++
Malware removal guide, security resources and checklists
VMware snapshot 2 dump
Windbgshark extension (WinDbg intergation with Wireshark)
VolatilePool Enabler
Dumps from VMs under XenServer
Wincheck
PEStudio
Python for UMDH

Software Trace Analysis

Splot and timeplot (timeplotters) tools for visualizing program logs

Support adjoint threading:

Process Monitor
CDFAnalyzer
Citrix UPM log parser

Mac OS X

Core dump generation
iOS crash reporting tools (Part 1)
iOS crash reporting tools (Part 2)

Java

Antorcha Memory Plumber

Disassembling

Online Disassembler