For quick solutions to shoe organization, the following may provide some help:

Shoe Storage Under-the-Bed, Storage Ottomans (could add style), DIY PVC Pipe shoe storage, prop the heels on a ladder, DIY Sandal/Flip-flop hangers, and use a room divider and door canvas holders (shown below).

Here are a few more ideas: Here, and here, and also here!

For help with clothing organization, smaller felt hangers will save you a lot of space, as well as rods that double your hanging options (like this one). You can also use hanging shoe solutions to store T-shirts! There are tons of ideas right here!

Best of luck!

Best to look throughout the closet images on Houzz to find one that suits your needs.