This site is aimed mainly at learners preparing for the IELTS or TOEFL tests. How to write argument and opinion essays - step-by-step. With sample answers.
This resource provides tips and guidance for writing at three levels; that of the sentence, paragraph and essay or full text. Each is broken down into its constituent parts, and dealt with in detail therein.
This site forms the online element of a US college-based writing clinic. There are resources available in the form of online exercises, handouts and PowerPoint presentations focusing on different aspects of academic writing,
This site looks at the academic essay on two levels. Firstly, it looks at text-level features of essays, providing tips on areas such as the introduction, conclusion and constructing paragraphs,
Comprehensive advice on different types of academic writing. Reports, essays, reviews and proposals (among others), are all dealt with in a step-by-step fashion, with a detailed focus on the different aspects and layers of writing,
This site is a free to all writing project site. It's moderated and has a variety of synchronous and asynchronous writing activities. There are also a variety of materials and it should be of interest to both teachers and students.