Features:

• Free quick reference guides to software applications.
• Guides are available for Microsoft, Mac and  Adobe applications.
• Free and in PDF format.
• Similar resources: TechPosters and Computer Hardware Chart.

Check out Custom Guide @ www.customguide.com/quick_references.htm (by Srikanth AD from Techonaut )

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• The-Manuals: Free Manuals Search Engine
• TechPosters: Download Free Information Technology Posters
• SafeManuals : User Manuals for any Gadget
• ReplacementDocs : Video Game Guides and Manuals
• PCitYourself: Animated Guide To PC Building

To find tutorial, simply enter the tutorial title and click “Search”. The application will then present a list tutorials that you can preview and save onto you computer. There is no registration and you can download as many tutorials as you like.

Features:

• Find free internet tutorials in PDF format.
• Preview tutorials in your browser.
• Download tutorials onto your computer.
• For more tutorial sites see MakeUseOf  “tutorals” section.

Check Out Free-Tutorial-For.me @ www.free-tutorial-for.me

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• The-Manuals: Free Manuals Search Engine
• PDFind: PDF Document Search Engine
• GoogleGuide: Learn How To Really Use Google
• Google Document Search Utility
• DownloadAnyStuff: Find Free Books, MP3s and Software on Google

You can browse manuals by product type, by brand or search with keywords. Simply enter the manufacturer/product name and its model (ex. Apple iPhone 3G S) into the search field, hit “Search” and download the relevant manual. No need for an email or registration.

Moreover, user may sign up for an account to store and organize manuals online, upload your own manuals to the site and get help from site members with manual search and gadget problems.

Features:

• Search for manuals.
• Over 300,000 user manuals for all kinds of electronic gadgets.
• Browse manuals by brand, product type or search using keywords.
• Find and download manuals without registration.
• Sign up for an account to store and organize manuals online.
• Upload your own manuals and get help from other site members.
• Similar sites: The Manuals and SafeManuals.

Check out Manuals Online @ www.manualsonline.com

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• SafeManuals : User Manuals for any Gadget
• The-Manuals: Free Manuals Search Engine
• OwnerIQ: Download Free User Manuals for Products
• GadgetTeardowns: How To Disassemble Popular Gadgets
• WireWize : “How To Connect” Guides for Home Electronics

Browse popular gadget teardowns and follow the detailed instructions on how to correctly disassemble your gadget. You can also submit a gadget teardown of your own and get it published online for all the others to see and use.

Features:

• How To disassemble iPhones, PSP consoles and other popular electronic gadgets.
• Disassemble gudeis include step-by-step instructions with photos.
• Browse popular teardowns or submit your own gadget teardown online.

Checkout GadgetTeardowns @ www.ifixit.com/Teardown

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• Venjuvo: Get Cash for Your Old Electronics and Gadgets
• The-Manuals: Free Manuals Search Engine
• SafeManuals : User Manuals for any Gadget
• OwnerIQ: Download Free User Manuals for Products
• ManualsOnline: Over 300,000 Free Downloadable Manuals

Features:

• Search for free manuals one place.
• Over 5 million free manuals for wide variety of topics.
• Get links to manuals in PDF or HTML format.
• Install the plugin to search directly from your browser search bar.
• Similar sites: OwnerIQ and SafeManuals.

Check out The-Manuals @ www.the-manuals.com

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• SafeManuals : User Manuals for any Gadget
• OwnerIQ: Download Free User Manuals for Products
• ManualsOnline: Over 300,000 Free Downloadable Manuals
• GadgetTeardowns: How To Disassemble Popular Gadgets
• WireWize : “How To Connect” Guides for Home Electronics

Features:

• Car maintenance guides to you look after your car like a pro.
• Detailed illustrated guides on different car parts such as suspension, brakes, engines, transmissions and more.
• General car maintenance tips and advice.
• No signup or registration needed to access the guides.
• Similar websites: VehicleFixer.

Check out CarBibles @ www.carbibles.com

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• Zapatag: Report Bad Drivers Online
• VehicleFixer: Car Repair Videos for Beginners
• TrueCar: Find Out Real Prices Paid For New Cars
• Trapster: Get Alerted About Speed Traps On Your Way
• ServiceBeacon: Manage your Car’s Service Record Online

The site also provides you with an account so you can keep track of all your products and their manuals in one place online. If you can’t find the particular manual, the site lets you set alerts and be notified when it becomes available.

Additionally you can join networks and interact with other users, discuss common problems, share tips, and exchange documentation.

Features:

• Free user manuals website.
• Register and download any manual you want.
• Search and browse database by category.
• Manage all you products and manual in one online account.
• Join networks and interact with other users.
• SafeManuals is another good site for free user manuals.

Check out OwnerIQ @ www.owneriq.net

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• SafeManuals : User Manuals for any Gadget
• WireWize : “How To Connect” Guides for Home Electronics
• The-Manuals: Free Manuals Search Engine
• ManualsOnline: Over 300,000 Free Downloadable Manuals
• GadgetTeardowns: How To Disassemble Popular Gadgets

Features:

• Find user manuals for almost any item you need.
• Database covers 3 627 brands and contains 883.542 instruction manuals.
• Search for manuals, or browse by brand (Apple, Blackberry, Dell, etc.)
• Preview manuals prior downloading them to your PC.
• Download and save manuals in PDF format.
• Want to contribute ? Upload manuals which aren’t listed.

Check out SafeManuals @ www.safemanuals.com

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• OwnerIQ: Download Free User Manuals for Products
• ManualsOnline: Over 300,000 Free Downloadable Manuals
• WireWize : “How To Connect” Guides for Home Electronics
• The-Manuals: Free Manuals Search Engine
• GadgetTeardowns: How To Disassemble Popular Gadgets

Features:

• Find and download replacement game manuals for video games.
• Supports all popular gaming consoles: PC, PlayStation, Nintendo, Xbox 360 etc.

This also reminds me of CanYourRunIt another cool gaming website that we have profiled earlier. CanYouRunIt is a quick web-based check tool that inspects your PC and tells you whether or not your system can run a particular game.

Go to ReplacementDocs @ www.replacementdocs.com

• New: Follow MakeUseOf on Twitter. Recommended!
• MakeUseOf 'Geeky Fun' - Hillarious Geeky Pics and Videos from different parts of web.

• You Don’t Know Jack
• XSketch : Online Multiplayer Pictionary Game
• Vying Games: Play Turn-based Strategy Games Online
• Typeracer : Improve your Typing Skills
• Tubillar: Play Virtual Pool Game Online