Here you have some resources that can help you to increase your skills. If you have any other resource you think could be helpful for other people, share it with us at the bottom comments!
MIT – This site provides access to the study material behind most of the courses taught at MIT, including full, free online introductions to dozens of subjects, as well as study guides and video lectures. There is no cost or obligation, and it can help you review or learn more about subjects that interest you.
Study Stack – This site is an archive of user-created flash cards on a huge range of topics, which you can browse and use to self-quiz through your browser. Medical and language vocabulary are well represented, as are drills for standardized tests like the LSAT. You can also create your own flash cards on any topic you like and share it with the world.
Hack my study – Having nothing to do with computer crime, this site provides you with a series of guides on how to do vital tasks better, as well as advice on how to deal with problems like Internet browsing during study, in unique ways. For instance, to deal with Internet-based procrastination, the site provides a tutorial on how to temporarily block yourself from accessing websites that will waste your time.
Quizlet – Find quick quizzes on all sorts of subjects from literature vocabulary to German food adjectives, as well as vital resources such as nursing abbreviations for the NCLEX. With over 20 million quiz sets and the option to easily and quickly create your own sets, this site is a great way to do some quick study.
Information Literacy – Introduce yourself to the skills you need to successfully navigate the increasingly deep ocean of information at everyone’s fingertips. These skills are often neglected in schools and taken for granted by those who have gained them. You’ll learn about how best to locate, evaluate, and productively share information and resources with others.