A standalone iOS client for Firefox Sync.
This code is known to compile with Xcode 4.4.1 with the iOS 5.1 SDK under OS X 10.8.1.
The project is completely self-contained and does not depend on external sources. To build, simply clone the project and then open the Sources/SyncClient.xcodeproject project in Xcode. You should be able to just hit run to build and run in the iPhone Simulator.