Here's an idea. Let each box 'expand', perhaps to its own page. This way, if you want to dig deeper, you can find more resources in the expanded box. You can l

Here's an idea. Let each box 'expand', perhaps to its own page. This way, if you want to dig deeper, you can find more resources in the expanded box. You can let users suggest resources with an 'add' button; users can vote for resources so the best ones bubble to the top. You could take this further and break each resource list into beginner, intermediate, advanced.