The objrs_frameworks_foundation crate provides bindings for Apple's Foundation framework. This crate is far from complete, but has some partial bindings for the following Foundation types:
NSArray.NSError.NSMutableString.NSNotification.NSObject.NSProcessInfo.NSString.
See the COPYRIGHT file. objrs is triple-licensed under the Apache License 2.0, MIT License, and Mozilla Public License 2.0 terms.