The project's aim is to promote free and open source software on the Android platform. Fossdroid takes its data from F-Droid, but organizes apps in an attractive, Google Play-like arrangement with the ability to view apps by popularity.
APKSpree is a top Android Repo for Android Researchers and Android enthusiasts. With 5k Android apps in it's repo and increasing day by day, APKSpree is best android repo. All the Android apps can be verified by MD5 Hash.