Cocotron (without "a") and GNUStep are intended as source-level compatibility layers. You replace Apple's libraries with them at compile time, and obtain a nati

Cocotron (without "a") and GNUStep are intended as source-level compatibility layers. You replace Apple's libraries with them at compile time, and obtain a native binary or the target platform. This project is akin to Wine. It allows to run OS X binaries on Linux, without recompiling. The Cocotron blog hasn't been updated in a while, but the project is still alive: http://code.google.com/p/cocotron/source/list http://code.google.com/p/cocotron/source/list