Apkbaba.com is described as 'Get the best and updated version of all kind of apk here on Apkbaba. You name the app we have the apk of that app. And don't worry, all apk we provide is 110% genuine & safe'. There are more than 50 alternatives to Apkbaba.com, not only websites but also apps for a variety of platforms, including Android, Android Tablet, Android Wear and Chrome OS. The best alternative is F-Droid, which is both free and Open Source. Other great sites and apps similar to Apkbaba.com are Google Play Store (Free), Aptoide (Free, Open Source), APKPure (Free) and APKMirror (Free).
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.
In an effort to make things easy, and maybe even fun, AndroidPolice.com created APK Mirror. Over the past several months, they've been working to build a smooth, reliable, trust-worthy site to host the downloads users love. You also can upload APKs to the site yourself.
Aurora Droid is an unofficial, FOSS client to FDroid and FDroid-compatible repositories with an elegant design. Not only does Aurora Store download, update, and search for apps like the Official FDroid client, it also empowers the user with new features.
Software lets you install and update applications and system extensions. A plugin system is used to access software from different sources. Plugins are provided for: Traditional package installation via PackageKit (e.g. Debian package, RPM).