Of the writing labs available to ESL students on the Internet, the Purdue Online Writing Lab ranks among the best known and most highly valued.
Features:
• Hundreds of writing resources that students of English can use to improve their writing skills
• Comprehensive coverage of the writing process, research and citation, grammar and mechanics, literary analysis and criticism
• Detailed discussion of specific types of writing including scientific and technical writing, business writing, academic writing and creative writing
• Clear, practical guides to tutoring and teaching writing, specially prepared for ESL/EFL teachers
• A printable version of each resource for offline use
The Online Writing Lab at Purdue is a completely free service and most importantly, the quality of its resources is just what one can expect from a famous university, superb and warranting frequent visits.
Site URL: http://owl.english.purdue.edu/owl/