1- Educational sites that provide free educational courses in all fields:
Class Central: Discover free educational courses from top universities in the world like Stanford, Harvard and MIT
Coursera: The site provides free educational courses in cooperation with many universities around the world. Most of the courses are paid, but some very important courses are available for free.
Udacity: the most enjoyable site for learning and saving your time instead of spending long hours in lectures that make you bored, Udacity provides classes in the fields of (business - computer science - science design mathematics) divided into 3 stages: Beginners stage, intermediate stage, advanced stage.
Khan Academy: Khan Academy is a non-profit organization founded by Bangladeshi Salman Khan and a site that provides a wide range of free educational lectures that can be viewed through YouTube and includes lectures on physics, chemistry, biology, space, history, arts, computer science and mathematics
MIT OpenCourseWare: An initiative of the Massachusetts Institute of Technology that provides many educational courses for free
Open Yale Courses: The site provides access to a range of free educational courses from professors of Yale University.
Codecademy: An educational platform that provides learning programming for beginners in an easy, interactive way that includes learning Ruby, Python and JavaScript languages in addition to HTML and CSS, if you want to learn programming, start with this free website.
Team Treehouse: Codecademy-like site with video tutorials
w3schools: a free website to learn programming languages for beginners
edX: An open learning platform founded by both MIT and Harvard University that offers a wide range of courses at the undergraduate level at no charge
Rwaq: An online open learning platform that provides many educational courses in the Arabic language for free
Duolingo: One of the best foreign language learning sites
FutureLearn: A site that offers hundreds of free educational courses in many fields such as languages, culture, business, science, technology, and health
iTunes U: Offers a number of free educational courses
Memrise: A site for learning languages, history, and science using graphic cards or flash cards
noexcuselist: provides listings of free educational sites for everything you want to learn
Anki: A Memrise-style site that helps remember things easily with smart flashcards
Ted Talks: Free video chat site and lectures on everything, great source of inspiration and knowledge
Mathway: a site for solving mathematical equations
Mendeley: The best free site for managing, organizing and sharing your research, and discovering new research
Livemocha: a language-learning website
Photomath app: useful app for solving maths problems.
2- Useful websites for personal assistance and advice
7 Cups of Tea: Free site for anonymous communication with a group of trained people.
Blah Therapy: Online storytelling or silvering service.
MoodGYM: A site that provides learning the cognitive skills to combat depression and cope with it.
3- Software and tool sites
IFTTT: A very useful site that facilitates your life on the Internet, as it provides to do many tasks automatically by linking services with each other, for example you can activate a feature that allows changing the profile picture on Twitter automatically when changing the profile picture on Facebook, you can also get On mobile alerts when there is a weather emergency, in addition to many other benefits that we will talk about in detail in a separate article.
Ninite: A site to download the necessary programs after installing a new Windows version with one click.
Logo Rank: A site for evaluating logos "logos" and to ensure their originality or uniqueness and the extent of similarity with other logos. The system relies on artificial intelligence techniques to match the logo with more than a million other logos.
Mega Desktop Sync: Site that provides 50 GB of free online file storage.
F.lux: a tool that automatically adjusts the brightness and brightness of your computer screen according to the current time of day.
GIMP: Free, open-source photo-editing software - arguably a free Photoshop alternative.
Inkscape: Free drawing program.
Paint.NET: If you use Paint in Windows, this program provides you with all the features missing in the program, a program of small size and great possibilities.
Pixlr: Free Online Photo Editing Site.
PickMonkey: Free image editing site that merges more than one image in one image, very suitable for anyone who needs to quickly edit photos.
KeePass: Free Password Manager & Saving Website.
Prey Project: A service that helps find lost computers and mobile phones.
PortableApps: A site to download free programs that can be run from a flash memory.
4- Sites that provide free books
Project Gutenberg: A very large number of free books.
OpenLibrary: Free book download site with no copyright restrictions.
LibriVox: Free audiobook download site.
Podiobooks.com: Free audiobooks mostly from independent publishers.
Sparknotes.com: useful sites to read books and notes for your study.
5- Free document editing sites
Google Docs
Microsoft Office Online
LibreOffice
Oppen Office
6- Free entertainment sites
Documentary Heaven: A site to watch dozens of documentaries for free.
TopDocumentaryFilms.com & FreeDocumentary.tv: More Documentaries.
ZenMate: A Chrome extension that allows access to Netflix and Pandora from outside the US.
Soundcloud: A site for sharing audio and music and listening to others sharing.
Twitch.tv: A site for streaming videos while playing video games and watching videos shared by other players.
7- Various useful sites
Internet Archive: A site that provides access to old versions of Internet sites and the content of sites that have been closed, in addition to old DOS games, it can be said that it is an archive of Internet sites.
Retail Me Not: A site to find free coupons before you buy anything online.
Remove.bg: website to remove background from images with one click, depending on artificial intelligence techniques.
Color: Free Adobe site for best color matching.
"Internet Heroes": a site from Google to teach children the basics of safe use of the Internet
Save the article to your favorites, you will definitely need one of these useful sites, and if you have other sites, share it with us.
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