What are your favorite SysAdmin tools for Windows?

And here a short list of my favorites tools :

• Notepad++
• RSAT (Remote Server Administration Tools for Windows 10)
• Tools from the Sysinternals Suite, AccessChk, Autoruns, Process Explorer, Process Monitor and others.
• PingInfoView (Nirsoft), a small utility that allows you to easily ping multiple host names and IP addresses, and watch the result in one table
• TreeSize
• USB Disk Ejector, allows you to quickly remove USB (and firewire) drives in Windows.
  DeviceTool, a Device Manager for administrators. DeviceTool can enable and disable devices remotely – and run on Windows 10.
• Rufus, a small portable tool to create bootable USB Flash drives, includes an option to download the Windows.
• Microsoft WSUS Client Diagnostic Tool, designed to aid the WSUS administrator in troubleshooting client machines which may be failing to report back to the WSUS Server.
• Putty
• RVTools, windows .NET 4.6.1 application which uses the VI SDK to display information about your virtual environments. Interacting with VirtualCenter.
• vCenter Converter, quickly converts local and remote physical machines into virtual machines without any downtime.
• Starwind V2V Converter, makes VM and virtual disk migration between different hardware sets easier by booting the migrated VM in Windows Repair Mode.
• mRemoteNG – Free tabbed remote desktop management tool.  Allows you to save different credentials for various machines.  I just wish they had a search.
• SecureCRT – paid ssh management tool – remote into switches, routers, etc.
• PDQ Deploy/Inventory – paid application management software, scan machines to see what’s out there, update install or remove software on a schedule.
• ASG Remote Desktop – best RDP tool I know – free for max 3 connections, unlimited connections + option to have connections/credentials in SQL database in paid version
• Powershell ISE
• ISE-Steroids – paid plugin to ISE
• Keepass – ultimate tool for password management, amazing auto-type feature
• Greenshot – really nice, rich, easy and free print screen tool
• f.lux – adapts screen color temperature based on day time – eye saver
• Ditto  – easy clipboard manager
• Filezilla – FTP client/server
• WinSCP – transfer files over SSH
• PAL 2.0 – performance log analyzer
• Regshot – capture Registry snapshot allowing to compare the Registry before and after some changes
• TreeSizePortable – disk space info
• BlueScreenView – BSOD dump analyzer