Envato is a digital market system that currently includes 8 different marketplaces including: codecanyon (source, plugins), ThemeForest (interface, HTML templates, WordPress templates, etc.), videohive audiojungle (sound and sound effects). Graphicriver (the name says it all, graphic, stock, PSD, vector, etc.). Photodune (photo), 3docean about 3d, not very active), activeden (not very well).
In these markets, people will put up their products and sell on them. Under the supervision and support of the Envato team, income , if the new author. It will take you 50% and this rate will. If you sell more, max only 70%, 50% is quite a lot, but if instead. You spend money to find the client it is quite okay.