Sorry, the document for the bundle libraries are not yet available except for Thread.
dbm
etc
kconv
getopts
parsearg
parsedate
socket
BasicSocket
IPSocket
TCPSocket
TCPServer
UDPSocket
UNIXSocket
UNIXServer
Socket
Thread
Mutex
Queue
The documentation of the Ruby Tk interface is not yet available. The classes in the Tk interface are shown below.
TkObject
TkWindow
TkRoot
TkToplevel
TkFrame
TkLabel
TkButton
TkRadioButton
TkCheckButton
TkMessage
TkMenuButton
TkScale
TkScrollbar
TkTextWin
TkListbox
TkMenu
TkcItem
TkcArc
TkcBitmap
TkcImage
TkLinec
TkcOval
TkImage
TkBitmapImage
TkPhotoImage
matz@netlab.co.jp