What of iMazing do you need most? (e.g., app sideloading, photos transfer, data extraction)
If you prefer using open-source tools hosted on GitHub, several legitimate developer projects can interact with iOS devices safely without breaking copyright laws: imazing license key github
If you are looking for free tools on GitHub, you might be better served looking for legitimate, open-source alternatives rather than pirated proprietary software. While they may not have the exact same interface or ease of use as iMazing, they offer safe, free functionality: What of iMazing do you need most