Free WinUtil
Free
PowerShell-based utility · Open source · No traditional installer
Checked 21 Sep 2026

PowerShell-based utility · Open source · No traditional installer
Checked 21 Sep 2026
Offline executable · Program installation · Windows optimization · Custom ISO creation
Checked 21 Sep 2026
Free · open source · no installer · no telemetry · no account required
Checked 12 Oct 2026