A good collection of fonts can be found in Photoshop itself. If those fonts are not enough, one could try 1001 Free Fonts which should have enough fonts to satisfy almost any user.
It is not possible to show all of the thousands of fonts here. One web site does let a person view a large collection of typefaces. See the link below.
One may find information about Photoshop plugins by visiting the Adobe website. They have a collection of third party plugins that one may find useful.
You can find tutorials that show you how to edit pictures in PhotoShop online at the website of smashing apps. They have fifty tutorials for High Quality Photoshop Photo Editing.
There are many places where one can find a list of Hindi fonts. One can find a list of Hindi fonts at popular on the web sources such as Microsoft and OneIndia.
The kahootz fonts are part of a software called "Kahootz". This software is normally found on school servers for education purposes.Without purchasing the product "Kahootz" there is no legal way of obtaining these fonts.-Sorry
One can find fonts based on handwriting at FontFeed, 1001 Free Fonts and Fonts Squirrel. Alternatively, one can use their own handwriting for a font at Snappy Living.
If you want to download fonts into Microsoft Word you can find them on the Microsoft website. Navigate to the website and search for the fonts. Find the ones that you like and download them to your computer. Open Word and the fonts should be available to you.
There are a numerous online sites where one can find good letterhead fonts. Some of these websites include Letterhead Fonts, PsPrint, MyFonts and FontHaus.
Photoshop Creative is a magazine put out by Abode Photoshop. One can find more information about Photoshop Creative online. The best information about it, comes from the Photoshop Creative site. One can also find more information in the magazine itself.
One can find a list of web safe fonts online at a number of different websites. One can find a list of web safe fonts at websites such as W3Schools and WebDesignDev.
There are a number of websites where one can find a Photoshop text tutorial including Smashing Magazine, Hongkiat, Web Design, Photoshop Essentials and Photoshop Lady.
For a font to be available in applications you must have the font file in your system fonts folder. On a Mac running OSX the Library folder contains a font folder. The best option is to use a font management application like Suitcase or ATM. Software like this lets you activate and deactivate any font stored on your hard drive. It also eliminates the issue of too many fonts open (100's) which can slow down your computer.