Purdue OWL
The Online Writing Lab (OWL) at Purdue University houses writing resources and instructional material, and we provide these as a free service of the Writing Lab at Purdue. Students, members of the community, and users worldwide will find information to assist with many writing projects. Teachers and trainers may use this material for in-class and out-of-class instruction.**

USA Learns
USA Learns is a free website that helps adults learn English online. This popular website, visited by more than 7,000,000 adults around the world, teaches English by providing engaging videos and educational activities.**

Voice of America : Learning English
Learning English is VOA’s multimedia source of news and information for millions of English learners worldwide. The audio programs and captioned videos are written using vocabulary at the intermediate and upper-beginner level. The programs are read one-third slower than normal English speed. Online texts, MP3s and podcasts let people read, listen and learn American English and much more.**


**Descriptions are taken from the actual website of the database or the resource.