Apps similar to Package Manager include Termux, which is free and open source. Other options are App Manager, Lucky Patcher, Revanced Manager and De-Bloater. You can choose from more than 10 Shells like Package Manager for Android, Mac, Windows and Linux.
Experience a powerful Unix terminal on Android without the need for rooting. Customize with packages via Apt, run command-line tools, SSH, and program in C, Python, and more. Enjoy a full Unix environment with bash, zsh, mouse support, and external display compatibility.
Germany
EU
It lists activities, broadcast receivers, services, providers, permissions, signatures, shared libraries, etc. of any app
Bangladesh
Lucky Patcher is a free Android app that can mod many apps and Games, Block ads, remove unwanted system apps, backup apps before and after modifying, Move apps to SD card, remove license verification from paid apps and games etc.
Russia
ReVanced Manager is a patcher to use on many Android Apps to give them extra features & Remove Annoying Features.
United States
India
Powerful yet easy to use APK editor for PC and Mac. Change Android app icon, title, translations and other resources.
Russia
APK Explorer & Editor, an open-source tool to explore the contents of an installed APK, is strictly made with an aim to inspect an installed APK file.
SmartPack-Kernel Manager is a heavily modified version of Kernel Adiutor developed by Willi Ye. All the credits go to the original developer, not only for his hard work on Kernel Adiutor, but also for being open to open-source community.
An elegant and beautiful premium Android app manager for both rooted and non-rooted devices and a built-in terminal, analytics panel and an independent custom theme engine.
A terminal emulator application for Android 8+ OS extendible by variety of packages, with Monet support and experimental features.
