Please make sure to download mods safely. You can get viruses and malware from mods. I am not responsible for any viruses or malware you may get from these mods. If you need to learn how to get mods safely, here is a link from MineMum
Adds more creatures to your game. Good for kids!
This mod makes villagers come to life.
This mod helps you craft items easily.
This mod adds new mobs to the ocean and water areas, like fish that actually swim and manta rays and turtles, sharks and whales.
Build your own spaceship and go to space!
There are also mods like Jurassicraft which adds dinosaurs to your game!