Sell Plugins and Themes

Envato Customers Looking For
1

Is there any theme on theme-forest that is or could be useful in selling Theme and plugins Online.
As soon as some one makes payment, the Files should be downloadable.

2

You mean a marketplace? Yeah …

I recommend this products :

http://themeforest.net/item/marketplace-wordpress-theme-marketify/6570786?s_phrase=marketify&s_rank=1

http://themeforest.net/item/squarecode-marketplace-for-easy-digital-downloads/8219662?s_phrase=download&s_rank=26

Good Luck !