The first is an Echinodorus (sword plant), perhaps E. amazonicus.
The second is Nymphoides sp. 'Taiwan'. That one is pretty cool because you can cut off a leaf and just plant it; it will grow roots and become a new plant from there.
The second is Nymphoides sp. 'Taiwan'. That one is pretty cool because you can cut off a leaf and just plant it; it will grow roots and become a new plant from there.