There is a new open access journal available:
Advances in Physics: X
The journal, lauchned by Taylor and Francis, aims to promote the connectivity of physics within the field and the influence of physics across the boundaries into other disciplines.
The Max Planck Society and the Swiss Open Access publisher MDPI (Multidisciplinary Digital Publishing Institute) have signed an open access agreement. Max Planck corresponding authors can publish open access at no costs to themselves in MDPI journals.
MDPI is an academic open access publisher based in Basel, Switzerland, which publishes 150 peer-reviewed scientific journals.
Catalysts is an open access journal of catalysts and catalyzed reactions published online by MDPI.
Find more journals at http://www.mdpi.com/about/journals.
The American Chemical Society has launched a new Open Access journal named ACS Omega. It is accepting manuscripts now, so that the first articles will be published in summer.
ACS Omega is a multidisciplinary, online journal. Peer-reviewed open access articles shall be published rapidly.
About the journal: http://pubs.acs.org/journal/acsodf
Since September 2015 provides the American Chemical Society their authors the fully open access journal ACS Central Science. It is a multidisciplinary and highly selective journal, which is publishing the most important advances in chemistry. The journal is free to publish and free to read.
ACS Central Science
Ulrich Herb created a new Open Access Heatmap for 2015. It visualizes the number of Open Access Journals per country if you click on one.
More information at: http://www.scinoptica.com/pages/topics/open-access-heatmap-2015.php