## [t3_3mcmdp](https://www.reddit.com/r/YouShouldKnow/comments/3mcmdp/ysk_about_these_useful_websites/)
1. http://theblackvault.com -- Read declassified documents.

2. http://favoriteandforget.com -- Useful and educational links. Set it as you homepage and forget about it.

3. https://duckduckgo.com/ -- An anonymous search engine.

4. http://howlongtoreadthis.com -- Find out how long it takes to read any book.

5. http://shufflemylife.com -- Find something to do when you are bored.

6. http://www.cheatography.com -- A database of cheatsheets for students.

7. http://www.thepunctuationguide.com -- A quick punctuation reference guide.

8. http://cameyo.com -- Use software without installing it.

9. https://openstaxcollege.org -- Free textbooks.

10. http://makeagif.com -- Convert videos and pictures into gifs.

11. http://www.zenpen.io -- A distraction free writing tool.

12. http://www.hemingwayapp.com -- Make your writing bolder and clearer.

13. http://pineapple.io -- A central hub of tutorials, tools, and assets for developers and designers.

14. http://file.pizza -- Transfer large files over the internet.

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