There are currently thousands of open access scholarly journals around the world. The "Directory of Open Access Journals" provides a valuable database of all current open access journals.
From the website: "The aim of the Directory of Open Access Journals is to increase the visibility and ease of use of open access scientific and scholarly journals thereby promoting their increased usage and impact. The Directory aims to be comprehensive and cover all open access scientific and scholarly journals that use a quality control system to guarantee the content. In short [the Directory is] a one stop shop for users to Open Access Journals."