IT and Software Development
- Udacity — Udacity offers courses with paid certification and nanodegrees — with emphasis on skills desired by tech companies in Silicon Valley — mostly based on a monthly subscription, with access to course materials (print, videos) available for free. Some categories: Data Sciences, Cloud Computing.
- Apple Developer Site — Apple Developer Center may be very specific in topics for lessons, but it’s a free source of documentation and tutorials for software developers who want to develop apps for iOS Mobile, Mac OS X desktop, and Safari Web apps.
- Google Code — As with Apple Developer Center, Google Code is topic-narrow but a good source of documentation and tutorials for Android app development.
- Code.org — Code.org is the home of the “Hour of Code” campaign, which is aimed at teachers and educators as well as students of all ages (4-104) who want to teach or learn, respectively, computer programming and do not know where to start.
- Learnable — Learnable by Sitepoint offers paid subscription access to an ebook library of content for computers and tablets, and nearly 5,000 videos lessons (and associated code samples) covering software-related topics – with quizzes and certification available.
- Pluralsight — Pluralsight (previously PeepCode) offers paid tech and creative training content (over 3,700 courses and 130K video clips) for individuals, businesses and institutions that covers IT admin, programming, Web development, data visualization — as well as game design, 3D animation, and video editing through a partnership with Digital-Tutors.com, and additional software coding lessons through Codeschool.com.
- CodeHS — CodeSchool offers software coding lessons (by subscription) for individuals who want to learn at home, or for students learning in a high school teacher-led class.
- Aquent Gymnasium — Gymnasium offers a small but thorough set of free Web-related lesson plans for coding, design and user experience, but filters access by assessing the current knowledge of an enrollee and allows those with scores of at least 70% to continue.
General College and University
- edX — The edX site offers free subject matter from top universities, colleges and schools from around the world, including MIT and Harvard, and many courses are “verified,” offering a certificate of completion for a nominal minimum fee.
- Cousera — Coursera is a learning site offering courses (free for audit) from over 100 partners — top universities from over 20 countries, as well as non-university partners — with verified certificates as a paid option, plus specializations, which group related courses together in a recommended sequence.
- MIT Open Courseware — MIT OpenCourseWare is the project that started the OCW / Open Education Consortium [http://www.oeconsortium.org], launching in 2002 with the full content of 50 real MIT courses available online, and later including most of the MIT course curriculum — all for free — with hundreds of higher ed institutions joining in with their own OCW course materials later.
- Open Yale Courses — Open Yale Courses (OYC) are free, open access, non-credit introductory courses recorded in Yale College’s classroom and available online in a number of digital formats.
- Open Learning Initiative — Carnegie Mellon University’s (CMU’s) Open Learning Initiative (OLI) is course content (many open and free) intended for both students who want to learn and teachers/ institutions requiring teaching materials.
- Khan Academy — Khan Academy is one of the early online learning sites, offering free learning resources for all ages on many subjects, and free tools for teachers and parents to monitor progress and coach students.
- MIT Video — MITVideo offers over 12,000 talks/ lecture videos in over 100 channels that include math, architecture and planning, arts, chemistry, biological engineering, robotics, humanities and social sciences, physics and more.
- Stanford Online — Stanford Online is a collection of free courses billed as “for anyone, anywhere, anytime” and which includes a wide array of topics that include human rights, language, writing, economics, statistics, physics, engineering, software, chemistry, and more.
- Harvard Extension School: Open Learning Initiative — Harvard’s OLI (Open Learning Initiative) offers a selection of free video courses (taken from the edX selection) for the general public that covers a range of typical college topics, includings, Arts, History, Math, Statistics, Computer Science, and more.
- Canvas Network — Canvas Network offers mostly free online courses source from numerous colleges and universities, with instructor-led video and text content and certificate options for select programs.
- Quantum Physics Made Relatively Simple — Quantum Physics Made Relatively Simple” is, as the name implies, a set of just three lectures (plus intro) very specifically about Quantum Physics, form three presentations given by theoretical physicist Hans Bethe.
- Open UW — Open UW is the umbrella initiative of several free online learning projects from the University of Washington, offered by their UW Online division, and including Coursera, edX and other channels.
- UC San Diego Podcast Lectures — Podcast USCD, from UC San Diego, is a collection of audio and/or video podcasts of multi-subject university course lectures — some freely available, other only accessible by registered students.
- University of the People — University of the People offers tuition-free online courses, with relatively small fees required only for certified degree programs (exam and processing fees).
- NovoEd — NovoEd claims a range of mostly free “courses from thought leaders and distinguished professors from top universities,” and makes it possible for today’s participants to be tomorrow’s mentors in future courses.
Design, Web Design/ Development
- HOW Design University — How Design University (How U) offers free and paid online lessons on graphic and interactive design, and has opportunities for those who would like to teach.
- Skillcrush — Skillcrush offers professional web design and development courses aimed at one who is interested in the field, regardless of their background — with short, easy-to-consume modules and a 3-month Career Blueprints to help students focus on their career priorities.
- Hack Design — Hack Design, with the help of several dozen designers around the world, has put together a lesson plan of 50 units (each with one or more articles and/or videos) on design for Web, mobile apps and more by curating multiple valuable sources (blogs, books, games, videos, and tutorials) — all free of charge.
Math, Data Science and Engineering
- Codecademy — Codecademy offers data science and software programming (mostly Web-related) courses for various ages groups, with an in-browser coding console for some offerings.
- Stanford Engineering Everywhere — SEE/ Stanford Engineering Everywhere houses engineering (software and otherwise) classes that are free to students and educators, with materials that include course syllabi, lecture videos, homework, exams and more.
- Big Data University — Big Data University covers Big Data analysis and data science via free and paid courses developed by teachers and professionals.
- Better Explained — BetterExplained offers a big-picture-first approach to learning mathematics — often with visual explanations — whether for high school algebra or college-level calculus, statistics and other related topics.