You will need two focuses. The first and most important is the temporary/emergency response. These include wooden or newer tapered rubber plugs of many different sizes. I just ordered a product called Stay Afloat, that looks like a wax that will stop a reasonably sized leak. stayafloatmarine.com
Then you have the outer hull mating that you tied under your boat. I've always struggled to imagine that working, but others might know better.
Once you are assured to remain afloat, you then need a limitless supply of materials and tools to make a durable repair, based upon your vessel.