Free Things on the Internet You Can Take Advantage of.

http://calibre-ebook.com/ - An open source e-book library manager for Linux, Macintosh and Windows platforms.

http://www.codecademy.com/ - An online interactive platform that offers free coding classes in six different programming languages like Python, PHP, jQuery, JavaScript, and Ruby, as well as markup languages including HTML and CSS.

documentaryheaven.com - A site filled with thousands of free online documentaries just waiting to be seen.

https://www.duolingo.com/ - Learn languages completely free, without ads or hidden charges. It's fun, easy, and scientifically proven.

http://freerice.com/category - You can receive education by answering questions relating to either Humanities, English, Math, Chemistry, Language Learning, Geography, Sciences or test preparations for the SAT. 10 grains of rice are donated via the World Food Programme for every question that the user answers correctly.

https://justgetflux.com/ - Makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.

https://www.khanacademy.org/ - Features thousands of educational resources, including a personalized learning dashboard, over 100,000 practice problems, and over 6,000 micro lectures via video tutorials stored on YouTube teaching mathematics, history, healthcare, medicine, finance, physics, chemistry, biology, astronomy, cosmology, American civics, art history, economics, and computer science. All resources are available for free to anyone around the world.

http://www.microsoft.com/en-gb/security/pc-security/mse.aspx - A free anti virus from microsoft.

Mint.com - Mint's primary service allows users to track bank, credit card, investment, and loan transactions and balances through a single user interface as well as make budgets and goals.

http://ninite.com/ - A service that lets users automatically install popular applications for their operating system. It also allows users to make a selection from a list of applications and bundles the selection into a single installer package.

https://pixlr.com/ - A cloud-based set of image tools and utilities, including a number of photo editors, a screen grabber browser extension, and a photo sharing service, reminiscent of photoshop.

http://www.gutenberg.org/ - A volunteer effort to digitize and archive cultural works, with most of the items in its collection being full texts of public domain books. The project tries to make these as free as possible, in long-lasting, open formats that can be used on almost any computer. As of March 2014, Project Gutenberg claimed over 45,000 items in its collection.