https://x64dbg.com

https://sourceforge.net/projects/x64dbg/files/snapshots/

•  Open-source
  
• Intuitive and familiar, yet new user interface
  
• C-like expression parser
  
•  Full-featured debugging of DLL and EXE files (TitanEngine)
  
• IDA-like sidebar with jump arrows
  
• IDA-like instruction token highlighter (highlight registers, etc.)
  
• Memory map
  
• Symbol view
  
• Thread view
  
• Source code view
  
• Content-sensitive register view
  
• Fully customizable color scheme
  
• Dynamically recognize modules and strings
  
• Import reconstructor integrated (Scylla)
  
• Fast disassembler (Zydis)
  
• User database (JSON) for comments, labels, bookmarks, etc.
  
• Plugin support with growing API
  
• Extendable, debuggable scripting language for automation
  
• Multi-datatype memory dump
  
• Basic debug symbol (PDB) support
  
• Dynamic stack view
  
• Built-in assembler (XEDParse/asmjit)
  
• Executable patching
  
• Yara Pattern Matching
  
• Decompiler (Snowman)
  
• Analysis