An example of a gridview with various column span items and drag and drop support like Google keep has
Animated top menu for ListView or RecyclerView or ScrollView or GridView ...
A parallax listview, scrollview and gridview with zoom support. Like Google Play Store
Easy async loading for Android's ListView/GridView
Drag and drop GridView for Android
An Android GridView that can be configured to scroll horizontally or vertically
Android CalendarView based on GridView
A GridView which can addHeaderView and addFooterView
sticky view in viewpager which includes scrollview and listview - viewpager with headers
AKParallax-Android is a Library Project that provides a parallax effect to an imageView in a ScrollView or a ListView.
Android library to display a ListView whose cells are not rigid but flabby and react to ListView scroll.
An Android custom ListView and ScrollView with pull to zoom-in.
A ListView with pinned section headers for Android
Simple example showing the use of android.graphics.Camera to make an 3D-ListView
HorizontalListView is an Android ListView widget which scrolls in a horizontal manner (in contrast with the SDK-provided ListView which scrolls vertically).
Pinterest style ListView for Android
Parallax ScrollView and ListView for Android
Android ListView with sticky headers
iPhone like fast scroll ListView on Android