A performant Grid-View for iOS (iPhone/iPad) that allows sorting of views with gestures (the user can move the items with his finger to sort them) and pinching/rotating/panning gestures allow the user to play with the view and toggle from the cellview to a fullsize display.
A simple, vertically scrolling grid view with re-arrange animations.
An NSCollectionView clone (think grid view) for UIKit.
A two-dimensional scrolling view component for the iPhone, heavily inspired by UITableView.
A grid view class for iOS, like a UITableView where several items can be presented on one row (think Photos.app).
A Windows Phone 7- or iPhoto-style grid list view where you can show clickable images etc. with labels.
Tapku Library is an open source iOS framework built for iPhone & iPad. The framework includes popular APIs including coverflow, calendar grid and chart view.