Of course you already know the BE throw =P
3B, 6AB, 6AK, A:6, 22_88B, 44B, A+B, WR BB, PO B+K, PO 8A, 8KA, 41236B, CE and of course the running low K. They all ringout forward. On CH, WS K, WS AAA, 22_88KA and 11_77A also ring out forward.
Off any launcher, including 11_77K and BT A+B, you can A:6 to ring out forward as well. If you do it slightly earlier than the required time to get the ground splat from A:6, you get an air juggle that can ring them out from a little farther away than normal A:6. Near the edge you can also use FC A+B, if it hits or counter hits, you can get a guaranteed A:6 for a forward ringout. Also, on CH 22_88A or 22_88K (near ring edge only) you get a guaranteed A:6 again.
BBK rings out to the right and 1A (not sure on 1A's direction) and BK_B[K] rings out to the left.
That's all I know from the top of my head. Whoever knows more, feel free to add or correct.