diff --git a/library/cocoa/application-utils.factor b/library/cocoa/application-utils.factor
new file mode 100644
index 0000000000..cca37f254d
--- /dev/null
+++ b/library/cocoa/application-utils.factor
@@ -0,0 +1,26 @@
+! Copyright (C) 2006 Slava Pestov
+! See http://factorcode.org/license.txt for BSD license.
+IN: cocoa
+USING: errors kernel objc-NSApplication objc-NSAutoreleasePool
+objc-NSObject threads ;
+
+: with-autorelease-pool ( quot -- )
+    NSAutoreleasePool [new] [
+        [ call ] keep
+    ] [
+        drop [release]
+    ] cleanup ; inline
+
+: <NSString> <CFString> [autorelease] ;
+
+: next-event ( app -- )
+    0 f "NSDefaultRunLoopMode" 1
+    [nextEventMatchingMask:untilDate:inMode:dequeue:] ;
+
+: do-events ( app -- )
+    dup dup next-event [ [sendEvent:] do-events ] [ drop ] if* ;
+
+: event-loop ( -- )
+    [
+        NSApplication [sharedApplication] do-events
+    ] with-autorelease-pool 10 sleep event-loop ;
diff --git a/library/cocoa/cocoa-types.factor b/library/cocoa/cocoa-types.factor
new file mode 100644
index 0000000000..a106ce6329
--- /dev/null
+++ b/library/cocoa/cocoa-types.factor
@@ -0,0 +1,44 @@
+! Copyright (C) 2006 Slava Pestov
+! See http://factorcode.org/license.txt for BSD license.
+IN: cocoa
+USING: alien kernel ;
+
+BEGIN-STRUCT: NSRect
+    FIELD: float x
+    FIELD: float y
+    FIELD: float w
+    FIELD: float h
+END-STRUCT
+
+TYPEDEF: NSRect _NSRect
+
+: <NSRect>
+    "NSRect" <c-object>
+    [ set-NSRect-h ] keep
+    [ set-NSRect-w ] keep
+    [ set-NSRect-y ] keep
+    [ set-NSRect-x ] keep ;
+
+BEGIN-STRUCT: NSPoint
+    FIELD: float x
+    FIELD: float y
+END-STRUCT
+
+TYPEDEF: NSPoint _NSPoint
+
+: <NSPoint>
+    "NSPoint" <c-object>
+    [ set-NSPoint-y ] keep
+    [ set-NSPoint-x ] keep ;
+
+BEGIN-STRUCT: NSSize
+    FIELD: float w
+    FIELD: float h
+END-STRUCT
+
+TYPEDEF: NSSize _NSSize
+
+: <NSSize>
+    "NSSize" <c-object>
+    [ set-NSSize-h ] keep
+    [ set-NSSize-w ] keep ;
diff --git a/library/cocoa/core-foundation.factor b/library/cocoa/core-foundation.factor
new file mode 100644
index 0000000000..875924c443
--- /dev/null
+++ b/library/cocoa/core-foundation.factor
@@ -0,0 +1,48 @@
+! Copyright (C) 2006 Slava Pestov
+! See http://factorcode.org/license.txt for BSD license.
+IN: cocoa
+USING: hashtables kernel namespaces ;
+
+! Core Foundation utilities -- will be moved elsewhere
+: kCFURLPOSIXPathStyle 0 ;
+
+: kCFStringEncodingMacRoman 0 ;
+
+FUNCTION: void* CFURLCreateWithFileSystemPath ( void* allocator, void* filePath, int pathStyle, bool isDirectory ) ;
+
+FUNCTION: void* CFURLCreateWithString ( void* allocator, void* string, void* base ) ;
+
+FUNCTION: void* CFStringCreateWithCString ( void* allocator, char* cStr, int encoding ) ;
+
+FUNCTION: void* CFBundleCreate ( void* allocator, void* bundleURL ) ;
+
+FUNCTION: void* CFBundleGetFunctionPointerForName ( void* bundle, void* functionName ) ;
+
+FUNCTION: bool CFBundleLoadExecutable ( void* bundle ) ;
+
+FUNCTION: void CFRelease ( void* cf ) ;
+
+: <CFString> ( string -- cf )
+    f swap kCFStringEncodingMacRoman CFStringCreateWithCString ;
+
+: <CFFileSystemURL> ( string dir? -- cf )
+    >r <CFString> f over kCFURLPOSIXPathStyle
+    r> CFURLCreateWithFileSystemPath swap CFRelease ;
+
+: <CFURL> ( string -- cf )
+    <CFString>
+    [ f swap f CFURLCreateWithString ] keep
+    CFRelease ;
+
+: <CFBundle> ( string -- cf )
+    t <CFFileSystemURL> f over CFBundleCreate swap CFRelease ;
+
+! A rough framework loader.
+SYMBOL: frameworks
+
+: load-framework ( name -- )
+    frameworks get [
+        <CFBundle> dup CFBundleLoadExecutable drop
+    ] cache drop ;
+
+H{ } clone frameworks set-global
diff --git a/library/cocoa/init-cocoa.factor b/library/cocoa/init-cocoa.factor
new file mode 100644
index 0000000000..1db6d1e903
--- /dev/null
+++ b/library/cocoa/init-cocoa.factor
@@ -0,0 +1,38 @@
+! Copyright (C) 2006 Slava Pestov
+! See http://factorcode.org/license.txt for BSD license.
+USING: cocoa compiler io kernel objc sequences words ;
+
+"Compiling Objective C bridge..." print
+
+{ "cocoa" "objc" } compile-vocabs
+
+"Loading Cocoa frameworks..." print
+{
+    "/System/Library/Frameworks/WebKit.framework"
+    "/System/Library/Frameworks/QTKit.framework"
+    "/System/Library/Frameworks/Quartz.framework/Frameworks/PDFKit.framework"
+} [
+    dup print flush load-framework
+] each
+
+"Importing Cocoa classes..." print
+{
+    "NSApplication"
+    "NSAutoreleasePool"
+    "NSDate"
+    "NSEvent"
+    "NSInvocation"
+    "NSMethodSignature"
+    "NSObject"
+    "NSOpenGLView"
+    "NSSpeechSynthesizer"
+    "NSURLRequest"
+    "NSWindow"
+    "PDFView"
+    "QTMovie"
+    "QTMovieView"
+    "WebFrame"
+    "WebView"
+} [
+    dup print flush define-objc-class
+] each
diff --git a/library/cocoa/load.factor b/library/cocoa/load.factor
new file mode 100644
index 0000000000..dd41ed1b7b
--- /dev/null
+++ b/library/cocoa/load.factor
@@ -0,0 +1,16 @@
+USING: compiler io parser sequences words ;
+
+{
+    "/library/cocoa/objc-runtime.factor"
+    "/library/cocoa/objc-utils.factor"
+    "/library/cocoa/core-foundation.factor"
+    "/library/cocoa/cocoa-types.factor"
+    "/library/cocoa/init-cocoa.factor"
+    "/library/cocoa/application-utils.factor"
+    "/library/cocoa/window-utils.factor"
+} [
+    run-resource
+] each
+
+"Compiling Cocoa bindings..." print
+vocabs [ "objc-" head? ] subset compile-vocabs
diff --git a/library/cocoa/window-utils.factor b/library/cocoa/window-utils.factor
new file mode 100644
index 0000000000..2351c636f7
--- /dev/null
+++ b/library/cocoa/window-utils.factor
@@ -0,0 +1,25 @@
+! Copyright (C) 2006 Slava Pestov
+! See http://factorcode.org/license.txt for BSD license.
+IN: cocoa
+USING: kernel math objc-NSObject objc-NSWindow ;
+
+: NSBorderlessWindowMask     0 ; inline
+: NSTitledWindowMask         1 ; inline
+: NSClosableWindowMask       2 ; inline
+: NSMiniaturizableWindowMask 4 ; inline
+: NSResizableWindowMask      8 ; inline
+
+: NSBackingStoreRetained    0 ; inline
+: NSBackingStoreNonretained 1 ; inline
+: NSBackingStoreBuffered    2 ; inline
+
+: standard-window-type
+    NSTitledWindowMask
+    NSClosableWindowMask bitor
+    NSMiniaturizableWindowMask bitor
+    NSResizableWindowMask bitor ; inline
+
+: <NSWindow> ( title rect type -- window )
+    NSWindow [alloc] -rot NSBackingStoreBuffered 1
+    [initWithContentRect:styleMask:backing:defer:]
+    [ swap <NSString> [setTitle:] ] keep ;