1. Quora.com
Quora’s mission is to share Knowledge. It is question-answer based site where people ask their questions and queries and get responses from expert.
2.Khanacademy.com
This site deserves a much higher place in this list because of its mission which aims at providing world class education to those who need it but cannot afford it. It is non-profit organization which provides world class education for everyone everywhere free of cost.
3.Coursera.com
Do you ever dream of studying at world’s top universities? Now you can fulfill your dream. Coursera.com provides online courses in collaboration with world’s best universities like University of California, The Hong Kong University of science and technology, Stanford University, University of Pittsburg, University of Tokyo, University of Michigan and many.
4.Codecademy.com
As Internet is expanding each day, there is more demand of web developers and programmers. At codeacademy you can learn the basics of code
5.tabbloid.com – favorite blogs delivered as PDFs.
6. join.me – share you screen with anyone over the web.
7.onlineocr.net – recognize text from scanned PDFs and images – see other OCR tools.
8.flightstats.com – Track flight status at airports worldwide.
9.dropbox.com – It Backup your sensitive document online.
10.scitable-Learn Science at Nature
Scitable is an open online teaching/learning portal combining high quality educational articles authored by editors at NPG
11.amazon.com – The best online place to buy things .
12.ScienceWorld
http://scienceworld.wolfram.com/
Comprehensive online encyclopedias of astronomy, maths, physics, scientific biographies, and scientific books, with many equations and formulas.
13.MakeUseOf:
http://www.makeuseof.com/
Blog that features cool web sites, software, and Internet tips. Links are provided with snapshot and home page previews.
14.Gizmodo - gizmodoIs Technology
Quora’s mission is to share Knowledge. It is question-answer based site where people ask their questions and queries and get responses from expert.
2.Khanacademy.com
This site deserves a much higher place in this list because of its mission which aims at providing world class education to those who need it but cannot afford it. It is non-profit organization which provides world class education for everyone everywhere free of cost.
3.Coursera.com
Do you ever dream of studying at world’s top universities? Now you can fulfill your dream. Coursera.com provides online courses in collaboration with world’s best universities like University of California, The Hong Kong University of science and technology, Stanford University, University of Pittsburg, University of Tokyo, University of Michigan and many.
4.Codecademy.com
As Internet is expanding each day, there is more demand of web developers and programmers. At codeacademy you can learn the basics of code
5.tabbloid.com – favorite blogs delivered as PDFs.
6. join.me – share you screen with anyone over the web.
7.onlineocr.net – recognize text from scanned PDFs and images – see other OCR tools.
8.flightstats.com – Track flight status at airports worldwide.
9.dropbox.com – It Backup your sensitive document online.
10.scitable-Learn Science at Nature
Scitable is an open online teaching/learning portal combining high quality educational articles authored by editors at NPG
11.amazon.com – The best online place to buy things .
12.ScienceWorld
http://scienceworld.wolfram.com/
Comprehensive online encyclopedias of astronomy, maths, physics, scientific biographies, and scientific books, with many equations and formulas.
13.MakeUseOf:
http://www.makeuseof.com/
Blog that features cool web sites, software, and Internet tips. Links are provided with snapshot and home page previews.
14.Gizmodo - gizmodoIs Technology
Blog dedicated to news and rumours
15.Mashable
/
This Blog focuses exclusively on social networks.
16.Tech tips
15.Mashable
/
This Blog focuses exclusively on social networks.
16.Tech tips
Technology news, software reviews, and personal computing tips.
17.Engadget | Technology news
Blog covering all gadget news
18.wetransfer.com – for sharing really big files online.
19. pastebin.com – a temporary online clipboard for your text and code snippets.
20. idlekeyboard.com – Make it sound like you are hard at work.
21.geographyiq.com
GeographyIQ is an online world atlas packed with geographic, economic, political, historical and cultural information.
22.eHow.com
eHow is an online community dedicated to providing visitors the ability to research, share, and discuss solutions and tips for completing day-to-day tasks
23.wordle.net – quick summarize long pieces of text with tag clouds.
24. bubbl.us – create mind-maps, brainstorm ideas in the browser.
25.Cookingforengineers.com
Not only it provides new recipes but also teach the way how to make them tastier. All the recipes are well written, photographed and very easy to understand.
26.About.com Videos
solid collection of how-to video tutorials. This website offers authentic, engaging expertise on the subjects you want to know .
27.weatherspark.com – A graphical look at the weather.
28.network-tools.com – Various network tools.
29.writecheck.com – Correct grammar and check for plagiarism.
30.translate.google.com – It translates text,web pages, PDFs and Office documents
31.similarsites.com – discover new sites that are similar to what you like already.
32.HundredZeros.com – You can Download Free E Books
33.Offliberty.com – Download Videos, Podcast, Music From Almost Any URL For Offline Use
34.Youtube.com/Tv – You can Watch Youtube In A TV Mode
35.Studio.stupeflix.com – Make Cool Videos By Just Dragging Pics, Videos Etc. With Pre Themes Available
36.Urbandictionary.com – you can Find Meanings Of different old And Modern Used Words
37.PolishMyWriting.com – Check your Grammar And Spellings
38.BugMeNot –shares login I'd Passwords for many forums and websites.
39.Sync.in – Edit Documents In Real-Time.
40.Gutenberg.org – Download From Over 45,000 Free Ebooks
41.livestream.com – broadcast events live over the web, including your desktop screen.
42.bing.com/images – automatically find perfectly-sized wallpapers for mobiles.
43.historio.us – preserve complete web pages with all the formatting.
44.dabbleboard.com – create your virtual whiteboard.
45.Mathway.com Now yo can Solves any kind of math problem and it also tells you how.
46.Mailinator.com Disposing e-mail address. When you don’t want to receive spam.
47.10minutemail.com Another disposable e-mail address. This one is only valid for ten minutes.
48.fliptext.org It Writes text upside down.
49.zamzam.com this website Converts many file formats without having to download anything.
50.fiverr.com People can do any kind of tasks for you for $5 on this website.
51.bitly.com It Shorten links and it also has the option to view stats of your links.
52.TwoFoods.com It Compares two types of food. Gives you calories, carbs, fat and proteins per 100g.
53.camelcamelcamel.com :Tracks prices of items on Amazon and tells you when the price drops
.
54.fakenamegenerator.com This Create a fake identity.
55.accountkiller.com How to delete your accounts from many popular websites.
17.Engadget | Technology news
Blog covering all gadget news
18.wetransfer.com – for sharing really big files online.
19. pastebin.com – a temporary online clipboard for your text and code snippets.
20. idlekeyboard.com – Make it sound like you are hard at work.
21.geographyiq.com
GeographyIQ is an online world atlas packed with geographic, economic, political, historical and cultural information.
22.eHow.com
eHow is an online community dedicated to providing visitors the ability to research, share, and discuss solutions and tips for completing day-to-day tasks
23.wordle.net – quick summarize long pieces of text with tag clouds.
24. bubbl.us – create mind-maps, brainstorm ideas in the browser.
25.Cookingforengineers.com
Not only it provides new recipes but also teach the way how to make them tastier. All the recipes are well written, photographed and very easy to understand.
26.About.com Videos
solid collection of how-to video tutorials. This website offers authentic, engaging expertise on the subjects you want to know .
27.weatherspark.com – A graphical look at the weather.
28.network-tools.com – Various network tools.
29.writecheck.com – Correct grammar and check for plagiarism.
30.translate.google.com – It translates text,web pages, PDFs and Office documents
31.similarsites.com – discover new sites that are similar to what you like already.
32.HundredZeros.com – You can Download Free E Books
33.Offliberty.com – Download Videos, Podcast, Music From Almost Any URL For Offline Use
34.Youtube.com/Tv – You can Watch Youtube In A TV Mode
35.Studio.stupeflix.com – Make Cool Videos By Just Dragging Pics, Videos Etc. With Pre Themes Available
36.Urbandictionary.com – you can Find Meanings Of different old And Modern Used Words
37.PolishMyWriting.com – Check your Grammar And Spellings
38.BugMeNot –shares login I'd Passwords for many forums and websites.
39.Sync.in – Edit Documents In Real-Time.
40.Gutenberg.org – Download From Over 45,000 Free Ebooks
41.livestream.com – broadcast events live over the web, including your desktop screen.
42.bing.com/images – automatically find perfectly-sized wallpapers for mobiles.
43.historio.us – preserve complete web pages with all the formatting.
44.dabbleboard.com – create your virtual whiteboard.
45.Mathway.com Now yo can Solves any kind of math problem and it also tells you how.
46.Mailinator.com Disposing e-mail address. When you don’t want to receive spam.
47.10minutemail.com Another disposable e-mail address. This one is only valid for ten minutes.
48.fliptext.org It Writes text upside down.
49.zamzam.com this website Converts many file formats without having to download anything.
50.fiverr.com People can do any kind of tasks for you for $5 on this website.
51.bitly.com It Shorten links and it also has the option to view stats of your links.
52.TwoFoods.com It Compares two types of food. Gives you calories, carbs, fat and proteins per 100g.
53.camelcamelcamel.com :Tracks prices of items on Amazon and tells you when the price drops
.
54.fakenamegenerator.com This Create a fake identity.
55.accountkiller.com How to delete your accounts from many popular websites.
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