Apps similar to GIGATweaker include Microsoft PowerToys, which is free and open source. Other options are Glary Utilities, Windhawk, Ultimate Windows Tweaker and Reg Organizer. You're spoiled for choice with System Cleaners like GIGATweaker: we list more than 25 alternatives for Windows, Mac, Linux and Android.
Snip2Field is a Windows utility for anyone who copies data off invoices and PDFs. Press a hotkey, drag a box over an IBAN, amount, date or invoice number, and it runs OCR on just that region and copies the result — no retyping.
Taiwan
DFX Tweaker is a small and versatile tool designed to get system information and tweak your OS beyond what Microsoft allows you.
Simple, Free, and Lightweight Mac Cleaner app that can reclaim gigabytes of free storage on your Mac. macOS System/Other junk cleaning now made easy.
China