Compare software

strace vs ProcessActivityView: catalog facts
strace	ProcessActivityView
Free Free and open source under the LGPL 2.1 or later.	Free Freeware from NirSoft, free to use and redistribute unmodified.
Linux, Command line	Windows
Traces programs without recompiling them Attaches to already running processes	Per-file counts of opens, reads, writes and bytes Shows which DLL opened each file
Linux only Tracing through ptrace slows the traced program	The published requirements list versions through Windows 8 Injects a DLL into the inspected process
Downloadable app	Downloadable app
Open source	Closed source
License: LGPL-2.1-or-later	License: Freeware
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.