Utilities to put into your library:

Bin
    As *Eval with binary output 
Hex
    Idem with hexadecimal output 
ModList
    *Modules with wildcards 
Ptr
    Gives back your original mouse pointer when hourglass won't stop 
Show+
    Neat *Show 
Deloos>
    Deletes all files (except protected ones) in 'o' directories, starting from the given directory. Purpose: easy removal of C garbage. 
ProtSysWrk
    Protects the first 32K of the memory map against illegal access. 
RMDel
    Deletes modules by number 
FPC
    Removes the Wait from the routine called when changing the shape of the mouse pointer (useful with programs which show the hourglass a lot). This is a module. 

Try <libaryfile> -h for more info.