That’s alternative budgets, plural. As in published separately. RTÉ has the details. But the iol report notes the differences between the two parties’ proposals and adds, for the benefit of more excitable commenters,
[Labour Party leader] Eamon Gilmore ruled out a new Government of the left, saying he wouldn’t go into coalition with Sinn Féin.
This would mean a deal with Fine Gael and major compromises on both sides is the only way.
Fine Gael’s alternative is available here.