whopayswhat

The fewest payments that make a party even.

Everyone covers an equal share. Put in what each person paid and how many people they are paying for — the settlement redraws as you type.

The room

Everyone at the party, how many people each one is paying for, what they paid, and where that leaves them.
NameCoversPaidBalanceRemove

Covers is how many people someone is paying for — themselves, plus anyone they brought. Set it to zero for a person who chipped in but is not eating.