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PerfView vs dotTrace Command Line Tools: catalog facts
PerfView	dotTrace Command Line Tools
Free Free and open source from Microsoft.	Free Distributed as freeware under the JetBrains user agreement.
Windows	Windows, Command line
Analyses both CPU and memory performance issues Free tool maintained by Microsoft	Profiles .NET applications without Visual Studio Separate lightweight download for scripts and servers
Windows only Steep learning curve for people new to profiling	Windows download only Proprietary freeware, not open source
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License: Freeware
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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