- Process Explorer
- Process Monitor
- Uptime
- Autoruns
- Adfind
- Psloggedon
- Notepad2
- Whoami
- Cmdasuser (download from MSFT here) or RunasSystem (download-able here) or ShellRunas
- Err (Microsoft Exchange Server Error Code Look-up) to interpret any Windows error codes
- TcpView
- Windb
- BlueScreenView, AppCrashView
- Psservice (remotely update service configuration)
- Index.dat Analyzer or IEHistoryView
- NirCmd (to automate cmd shell tasks in cmd window invisible mode)
- HTMLAsText (to deal info/data processing from web pages)
- Md5sum or MSFT’s File Checksum Integrity Verifier (FCIV)
- KeePass
- File (similar to linux file command)