DOAJ is an online directory that indexes and provides access to quality open access, peer-reviewed journals
Encyclopedia of Earth
Content focuses on the Earth, its natural environments, and their interaction with society; a free, fully searchable collection of articles written by scholars, professionals, educators, and experts who collaborate and review each other's work.
International Society of Offshore and Polar Engineering. The Society membership is open equally to all actively interested in promoting engineering and scientific progress in the fields of offshore and polar engineering.
You can read the back issues of the Journal of Ocean and Wind energy online.