Oekaki is an X11 cursor theme.
Breal is an X11 mouse cursor theme.
mirRunde is a nice X11 cursor theme.
Vienna 3 is J. Aroche’s Vienna3 for CursorXP, converted to an X11 cursor.
WhiteLarge is an X11 cursor theme ported from the Windows “Extra Large” icons.
Faber is an X11 cursor theme, with a cartoon-ish look.