SDWebImage
January 17, 2013 • MIT License
UIImageView category adding suppport for remote images coming from the web asynchronously with caching.
HCDownload
August 27, 2012 • BSD License
Fully-featured download manager and view controller. More features and updates to come.
ITWLoadingPanel
February 29, 2012 • Apache 2.0 License
Drop-in classes for adding a download info panel.
MHLazyTableImages
June 10, 2011 • MIT License
Allows you to efficiently, and easily, download images for UITableViews with many rows.