No, but it should 😉
There are several custom field class’s (backend).
- wpAlchemy : https://github.com/farinspace/wpalchemy
- Meta Box Script: https://github.com/rilwis/meta-box
- My-Meta-Box: https://github.com/bainternet/My-Meta-Box
- meta-box-class: https://github.com/corycrowley/meta-box-class
- Meta Boxes Class: https://github.com/Bakke/Wordpress-Custom-Meta-Boxes-Class
For front-end forms, you probably best off with a plugin in Eugene Manuilov’s link.