LeoVerto

A small example:

<a> !startvote <name> # Opens for voting
<b> +1
<c> +1
<d> -1 <concern?>
<any_user> !countvote
<BrainzBot> [2 for: b, c] [1 against: d] [Noone abstained]
<e> \1
<a> !endvote