When comparing Cygwin vs Process Hacker, the Slant community recommends Process Hacker for most people. In the question“What are the best power user tools for Windows?” Process Hacker is ranked 8th while Cygwin is ranked 15th.
Ranked in these QuestionsQuestion Ranking
Pro Additional packages available via Cygwin Ports project
Pro Better default terminal
Cygwin's default terminal "Mintty" is far better than CMD.
Pro You can run graphical applications
It has X Server.
Pro Real-time information on disk access
Pro Can be set as your default task manager
Pro 10x more detail and information about usage of PC resources and processes
Pro See programs with active network connections
Pro Can create, edit and control services
Pro Can track which processes are using a file
Pro Open source
You can find the code here.
Pro View detailed stack traces with kernel-mode
Supports WOW64 and .NET.
Pro Graphs and statistics to quickly track down resource hogs and runaway processes
Pro Detailed overview of system activity with highlighting
Con Many incompatibilities
A lot of tools don't actually work with Cygwin, and documentation is often sparse, so for many use cases, it's worth the small bit of extra effort to just run a full virtual machine.