Codecademy – Offers tutorials in a wide variety of programming languages, including Java, Ruby, JQuery, Git, HTML, and APIs.
W3 Schools – Learn HTML, XML, CSS, JavaScript, and other web skills in these self-paced courses.
Hour of Code tutorials – These tutorials are designed to support the Hour of Code initiative in K-12 schools, but adults can use them, too.
Google CS Education – Google has collected its computer education resources, including coding tutorials, all in one site.
RegExr – For something a little more advanced, try RexExr. This web-based tool teaches you how to construct regular expressions for coding.
TextWrangler – If you write code regularly, you probably use a text editor. TextWrangler is an editor just for Mac users.
ExamDiff – Here’s another one for the coders out there: a tool that lets you compare different versions of files side by side.
Coursera – Take courses from the world’s leading institutions. Many courses are free and offer self-paced options.
EdX – Offers courses from major universities, with the option to earn high school and college credit.
Duolingo – Learn languages in a fun, game-based interface.
Pixlr – Want the functionality of PhotoShop but without the pricetag? Try this free, browser-based tool.
PicMonkey – Get creative with your photos – add stickers and text, or create a collage.
Pixabay – All images are free of copyright under Creative Commons license CC0.
Creative Commons – A portal to search for images, video, music, and other media.
Simply Noise – Choose from white, pink, or brown noise – great for focusing in noisy areas.
Rainy Mood – White noise created by the soothing sound of rain.
Google Docs – Part of the suite of apps known for real-time collaboration and sharing.
Diigo – Collect and share your favorite websites and online resources.
Dropbox – This cloud-based file storage system lets your documents travel with you.
Trello – A card-based task manager for individuals or groups.
Asana – Project management for teams.
Doodle Poll – Trying to schedule a meeting for a large group? Quickly find everyone’s availability using Doodle Poll.
Hello Sign – Ditch your fax machine. Fill out & sign PDFs online.
IFTTT – Make your apps work for you. Automate common tasks using If This Then That.
Feedly – Keep up on all your favorite blogs using this popular RSS reader.
Mint – A financial management and tracking tool.
Goodreads – Combines social networking with book recommendations. See what other people with your interests are reading.
WhichBook – This unique site gives recommendations based on your preferences for emotional facets.
My Maps – Create your own custom Google Map that you can share or embed in a website. Very user friendly and accessible for students.
QGIS – For a GIS tool with a bit more heft (and a steeper learning curve), try QGIS.
Gephi – Analyze your data or your network using this visualization tool. Skill level: intermediate.
