iMazing - iMazing lets you transfer music, files, messages, apps and more from any iPhone, iPad, or iPod to a computer, Mac or PC. Manage and backup your iOS device simply without iTunes. (was DiskAid)
Dr.Fone Toolkit - dr.fone toolkit has all the tools you need to manage your iOS or Android smartphone.
checkra1n - Jailbreak for iPhone 5s through iPhone X, iOS 12.0 and up
EaseUS MobiSaver - Free iPhone data recovery software can quickly recover iPhone data including contact, message, photos, video. EaseUS MobiSaver Free: recover iPhone data easily, safely and freely.
Blackra1n - (This is an OUTDATED jailbreaking method.)
iMobie PhoneRescue - PhoneRescue is a complete data recovery solution for all iOS and Android users. It offers both iPhone and Android data recovery with the world's highest recovery rates.