RestKit is a framework for consuming and modeling RESTful web resources on iOS and OS X

ResearchKit is an open source software framework that makes it easy to create apps for medical research or for other research projects.

Stub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!

iOS-based charting library for both line and bar graphs.

A free, native Apple macOS app for testing HTTP/REST endpoints

Notational Velocity: modeless, mouseless Mac OS X note-taking application

A simple Calendar / Date Picker for iOS using UICollectionView

Add functionality to UIDevice to distinguish between platforms like iPod touch 1G and 2G and iPhone

A simple mapkit annotation for displaying images and details.

Demonstration of creating iOS "today" and "share" extensions

OBA development has moved!

Custom view for iOS apps implementing Edward Tufte's sparkline concept.

Historical version — NetNewsWire Lite 4.0 — last release before sale to Black Pixel (2011)