Aptoide is a distributed marketplace for mobile applications which runs on the Android operating system. In Aptoide, unlike the default Google Play Store, there is not a unique and centralized store but each user manages their own store.
Amaze File Manager is an intuitive, open-source file manager for Android that's both free and ad-free (no upgrade offers, no popups, no ads at all). It's based on Material Design guidelines so it sits very nicely alongside the stock Android experience from Google and...
APKGrabber for Android is a fork of 
APKUpdater which can update installed applications without using Google Play.
Aurora Store enables you to search and download apps from the official Google Play store. You can check app descriptions, screenshots, updates, reviews, and download the APK directly from Google Play to your device.
Discover and install FOSS Android apps with ease. Privacy-focused, ad-free, and no registration required, F-Droid offers a lightweight alternative.
Yalp Store lets you download apps from Google Play Store as apk files. It can search for updates of installed apps and lets you search for other apps. Yalp saves downloaded apks to your default download folder.
It implements Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP). Simply scan the QR code and login with the generated 6-digit code.
Lightweight and open-source app for YouTube, PeerTube, SoundCloud, and more. No Google Account needed, supports 4K and background audio streaming with downloads.
