Possible Clues:

• ____ software is old, but hard to replace owing to wide use
• What might be left, say, in frilly surroundings
• The gift of money or property from a will
• Money on account last from mummy
• Gift on bill — pay finally
• Gift of support that's taken on a charity's case
• Some empty cage largely reflecting what's left after death
• What's left or lost by backing Co-op and Yard?
• Fine to pocket, say, the amount left
• What's left say in delicate environment