Account registration at PrepBootstrap is only required if you will be selling or buying themes. This ensures a valid communication channel for all parties involved in any transactions.
A lot of the content of the site has been submitted by the community. Whether it is a commercial element/template/theme or a free one, you are encouraged to contribute. All credits are published along with the resources.
All prices for themes, templates and other items, including each seller's or buyer's account balance are in USD