Unlike other Java to Objective-C solutions, Java-Objective-C Bridge doesn't require any code generation of class stubs. It allows you to use any Objective-C libraries and frameworks from Java without having to write any native code. In addition to being able to use Objective-C objects, it allows you to pass Java objects to the objective-c runtime as delegates, so that you can write an entire Cocoa application in Java. The bridge provides 3 levels of abstraction. At the lowest level, it provides wrappers around the Objective-C runtime functions. At a slightly higher level of abstraction, it provides a procedural API to send messages to the Objective-C runtime. At the highest level of abstraction, it provides a Proxy class that serves as a wrapper around any Objective-C object that allows you to work with it in Java almost the same as if you were in Objective-C.
OFXKit is an Objective-C framework for parsing OFX files into a class hierarchy. Since OFXKit is a native Cocoa framework, Mac OS X development technologies can be easily used with OFXKit. Its main features include OFX 1.x and 2.x support, banking, loan, and investment message sets, and creation of OFX request documents for the "Direct-Connect" feature of many banking Web sites.