The collection is divided into 3 sections: Dual, Triple, Quad Monitor Backgrounds. You can browse each section by categories (Abstract, Animals, Astronomy, Celebrities, Computers, Gaming, Industrial… etc) or sort wallpapers by resolution. There is also an option to rate wallpapers and leave comments.

Features:

• Get free multi-screen backgrounds.
• Browse backgrounds by category and sort by resolution.
• Rate and comment on backgrounds.
• Similar websites: DualScreenWallpaper.

Check out MultiMonitorGroup @ www.multimonitorgroup.com

• New: Follow MakeUseOf on Twitter. Recommended!
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• Wallpaper: Turn an Image Into a Wallpaper with Calendar
• SimpleDesktops: Original & Simple Desktop Wallpapers
• Zlert : Get Alerts From Amazon
• X3Studios: Create Cool Artsy Wallpapers
• WhyDoWork AdSense Monitor: Monitor Google AdSense Earnings Right In Your Browser

To send someone a greeting, go to the site, choose which birthday song you want the person to hear, then type his/her phone number, name and hit send. While the messages can be send anywhere around the globe, the free version is limited to US and Canada only.

See BirthdayDialer coverage on FOX news:

Features:

• Send free birthday greeting via phone.
• Free option only available for US and Canada.
• Send as many messages as you like.
• Provides variety of birthday greetings to chose from.
• Free greeting will have a short ad from the sponsors at the end.
• Purchase tokens to remove ads and customize your message.
• Greetings can be send anywhere worldwide.
• Similar sites: RSSBirthday, BirthdayAlarm and FlyGreetings.

Check out BirthdayDialer @ www.birthdaydialer.com

• New: Follow MakeUseOf on Twitter. Recommended!
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• PenCake: Draw And Send eCards
• FlyGreetings: Stylish, Quality Designer e-Cards
• Wishpot: Create Wish Lists by Adding Items From Any Website
• VoxCard: Send Cards With Your Voice Greetings
• RemiMe: Online Birthday Reminder Calendar

A photo-book or hotbook as they call it can be build using their Facebook app. You can drag and drop pictures, customize the background, tweak the titles, borders and more. Quick and easy.

Features

• Get a free 16 page photo book shipped to you every month anywhere in the world.
• Works with Facebook and Bebo.
• Use their Facebook app to create hotbooks.
• Drag and drop pictures and customize your photo book.

Check out Hotprints @ www.hotprints.com (via TechCrunch) (By Abhijeet from Jeet Blog)

• New: Follow MakeUseOf on Twitter. Recommended!
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• PrettySlide: Quickly Create Facebook Photo Slideshows
• WhereIveBeen: Share Places You Have Visited
• WatchItToo: View Photos & Watch Videos Together
• Txtful: Provides Shortcuts For Gettting Things Done Online
• Trazzler: Get Unique Travel Destination Recommendations

It prints, envelopes and posts the mail for you. For the locations where it posts letters for free, it includes adverts in the letter to cover the cost. You can preview your letter in PDF format before sending it. There are also options to send postcards and gifts.

Features

• Easily send postal mail online via the website.
• Letters to US and Australia are free. There are nominal charges for sending to other countries.
• Preview your letter in PDF format before sending it
• Also send postcards and gifts using the service.
• Similar tools: SnailMailr, Postful, EZGram, L-Mail and TelegramStop.

Check out TheMailMonster@ www.themailmonster.com (By Abhijeet from Jeet Blog)

• New: Follow MakeUseOf on Twitter. Recommended!
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• SnailMailr: Send Snail Mail Online
• Postful : Send Postal Letters from Email
• Letterhead Creator: Create Letterheads Online
• L-Mail
• HowTo: Send and Receive your Postal Mail online (makeuseof.com)

Freezly allows you to search for current giveaways using keywords, check which free deals are hot and browse archive of past giveaways.

Features:

• Tool for finding free stuff that people giveaway on Twitter.
• Aggregates tweets only with free stuff and ranks them based on retweets.
• Check out the hottest free deals and browse past giveaways.
• Free, no registration needed.
• Also see How To Get Companies To Send You Free Stuff With No Catches.

Check out Freezly @ www.freezly.com

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

• You Serials : Adware-free Serial and CD Key Search Engine
• Yammer – A Twitter For Businesses and Enterprises
• wwwitter: See Twitter Discussions For Any Webpage
• Wowio : Download Copyrighted eBooks for Free. Legally.
• WitGuides: Find And Download Ebooks

Features:

• Download free tech posters.
• Currently lists around 500 IT related posters.
• Search for posters and browse by categories.
• Free, no registration needed.
• Similar resource: Computer Hardware Chart.

Check out TechPosters @ http://posters.msug.vn.ua/default.aspx

• New: Follow MakeUseOf on Twitter. Recommended!
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• Computer Hardware Chart: Guide To Computer Hardware
• Magnigraph : Online Vector Graphics Creator
• ASCIIPoster: Create Text Posters with ASCII Poster Maker
• WoW-Coupons : Search, Find and Print Free Coupons
• Wordle : Create Fancy “Word Clouds” from Text

Features:

• Free clipart directory.
• Search for clip art images.
• Browse clip art database by categories.
• Hosts over 10,000 original free clipart images.
• Download any image you like for free.
• Similar websites: Gif, ClipartETC and WPClipart.

Check out Artvex @ www.artvex.com (by Srikanth AD from Techonaut)

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

• GIF : Royalty-Free Clip Art
• ZohoShow
• Zoho : Feature-rich Web-based Office Software
• WPClipart: Free Clip Art Collections
• ViewBook

Here is a short explanation on how Listia works:

1. Lister lists item the wants to give away.
2. Other users bid their credits on it.
3. The highest bidder gets the item.
4. The credits are automatically transferred to the lister’s account.
5. Lister can use the earned credits to get stuff he needs form other users.
6. Users may also donate earned creadits to the charity of their choice.

Features:

• Auction site to give away free stuff .
• List items you no longer need and earn credits.
• Use your credits to get stuff you need.
• Get 500 credits free after signing up.
• Get credits for referring friends.
• Donate earned credits to charity of choice.

Check out Listia @ www.listia.com (via TechCrunch) (By Abhijeet from Appscrazy)

• New: Follow MakeUseOf on Twitter. Recommended!
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• VapURL: Create Self-Terminating Temporary URLs
• SoLow: Cool Auctions from Your Mobile
• SiteReloader: Auto Refresh Webpages of Your Choice
• ReplyForAll: Support Good Causes Right From Your Inbox
• Pledgie: Helps To Raise Funds For A Cause

The user interface is neatly designed and gives the feel of reading a real magazine. It also has commenting and sharing features. You can start reading as a guest without signing up, although signing up is useful since it helps you create your own online library of magazines.

Features

• Read major print magazines online.
• Scan page by page and add comments to the content.
• Quickly start reading as a guest.
• Share via email, twitter or facebook.
• Various categories of magazines available.
• Similar sites : Mygazines, Wordds and Magazines on Google Books.

Check out MagMe @ www.magme.com (by Abhijeet from Appscrazy)

• New: Follow MakeUseOf on Twitter. Recommended!
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• Mygazines: Read Latest Issues Of Print Magazines Online for Free
• Wordds: Read Articles from Top Magazines On Mobile
• Wattpad : Read and Share Books on your Mobile
• ReadPrint: Read Whole Books Online
• eBookHood: Convert Text, Webpages, RSS Feeds to iPod Format

If you did not find specific sound, there is an option to fill in the request form.

Features:

• Royalty-free wav sound clips.
• Download sounds for free.
• Search and check new and popular sounds.
• No sign up needed.
• Similar websites: SoundJay, FindSounds, Soungle and  SoundSnap.

Check out SoundBible @ www.soundbible.com

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

• Soungle : Free Sound Effects Website
• SoundSnap: Search, Save and Share Sound Effects
• SoundJay: Free Collection Of Sound Effects
• AudienceSounds: Fun Collection Of Crowd & People Sounds
• Yahoo! Media Player: Embedable MP3 Player

Features:

• Download free online audio books in MP3 format.
• Download as many book as you like.
• Browse books and listen online.
• Free and no registration.
• Paid account that provides Ziped downloadss also available.
• Similar sites: NewFiction, WellToldTales, PodioBooks and LibriVox.

Check out ThoughtAudio @ www.thoughtaudio.com

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• NewFiction: Really Cool Free Audio Books Site
• Yodio: Give Voice to your Pictures and Stories
• WellToldTales
• Project Gutenberg : The Ultimate Source of Free eBooks
• PodioBooks

Features:

• Free science ebooks (textbooks, lecture notes) in different subjects.
• Read ebooks online or download them in PDF format.
• All listed texts are offered legally on the site and have been authorized by their respective authors and publishers.
• Similar sites: Project Gutenberg, Wowio and eBooksDB. Also check out earlier MakeUseOf article on The Best 6 Sites to Get Free Ebooks.

Check out ScienceBooksOnline @ www.sciencebooksonline.info

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• WitGuides: Find And Download Ebooks
• Wowio : Download Copyrighted eBooks for Free. Legally.
• PDFse: Search for PDF Files on Google
• PDFind: PDF Document Search Engine
• PDFgeni: Comprehensive eBook Search Tool

Features:

• Get paid iPhone apps for free.
• Get Email, Twitter or RSS alerts.
• Browse free apps by date.
• Quick and simple.
• Similar site: AppGiveaway.

Check out FreeAppAlert @ www.freeappalert.com

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• AppGiveaway: Free Promo Codes For iPhone Apps
• Zoho : Feature-rich Web-based Office Software
• YouArchiveIt: Backup iPhone SMS Messages Online
• WhiteNoise: Relax & Listen to White Noise on iPhone
• Waze: A GPS App To Avoid Traffic Jams

The site has a clean and clutter-free interface

Features:

• Lots of HD movie trailers that are free to download.
• Download as many trailers as you like.
• Most of the trailers are in (.mov, .wmv, mp4) formats.
• Free, no registration needed.

MakeUseOf covered a number of websites from where users may download movie trailers before. There were iTunes Trailers, GameTrailers and few others in our article about best websites to watch movies trailers online.

Check out HD-Trailers @ www.hd-trailers.net

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• iTunes Trailers: Watch HD Movie Trailers Free
• WhatTheMovie: Addictive Movie Quiz Site
• WatchItToo: View Photos & Watch Videos Together
• Watch-Movies: Watch Full-Length Movies Online
• VideoHybrid: Stream Movies, Cartoons & Anime

Each app includes a description, app screenshots, its retail price and other info. To get a free promo code to an application, you basically have to register for an account and click “Enter this giveaway” button below.

Depending on the application, the promo codes are sent to random 5-20 people who enter the giveaway for the given application. The giveaway of each app lasts only a few days, so make sure to visit the site often to get cool applications for free.

If you are an iPhone mobile app developer, you can promote your own apps by submitting them online to the website for free giveaways

Features:

• Get free promo codes for iPhone/iPod Touch mobile applications.
• Enter app’s giveaway by clicking “Enter this giveaway” button.
• Promo codes are sent to random 5-20 people who entered the app’s giveaway.
• Register for an account to apply for free promo codes.

Check out AppGiveaway @ www.appgiveaway.com

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

• FreeAppAlert: Get Paid iPhone Apps For Free
• VenueM: Turn Podcasts to iPhone-Friendly Websites
• Venjuvo: Get Cash for Your Old Electronics and Gadgets
• textPlus: Send Free Text From iPhone & iPod Touch
• TextOnPhone : Over 30.000 eBooks for Your iPhone

Additionally to downloading covers you can read reviews and view related YouTube videos. Links to trailers, subtitle and torrents are also included.

If you have covers of your own you can upload them and share them with the community.

Features:

• Extensive game, move and music cd cover collection.
• The site list around 350.000 covers for 120.000 titles.
• Search for CD covers and browse alphabetically.
• Download covers onto your computer.
• In cludes additional links to YouTube videos, torrents, trailers and subtitles.
• Similar websites: CoverCreator and PaperCase.

Check out AllCDCovers @ www.allcdcovers.com

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• PaperCase: Create and Print Paper Sleeves For Your CDs
• CoverCreator: CD & DVD Cover Maker
• BeepMyStuff: Catalog Movies, Books & Games using Barcodes
• Thrift Hunting : Compare Prices for CD, DVD, Books by UPC or ISBN
• SwitchPlanet: Switch CDs, DVDs, Games and Books

Most files are 16 bit stereo 44.1 kHz or 48 kHz high quality sound effects. Sounds can be played and listened online prior downloading.

Features:

• Free sound effects collection.
• Most files are 16 bit stereo 44.1 kHz or 48 kHz high quality sound effects.
• Browse sound effects by category such as background sounds, button sounds, human sound effects… etc.
• Can be used only for personal non commercial purposes.
• Similar websites: FindSounds, Soungle and SoundSnap.

Check out SoundJay @ www.soundjay.com

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

• Soungle : Free Sound Effects Website
• SoundSnap: Search, Save and Share Sound Effects
• SoundBible: Free To Download MP3 & WAV Sounds
• AudienceSounds: Fun Collection Of Crowd & People Sounds
• Yahoo! Media Player: Embedable MP3 Player

Update from webmaster:

The main feature we pride ourselves on is that we have a truly free, unobtrusive website. We do not do popup/popunder ads, and there’s nothing to install,  we are not like other “free” cursor/smiley sites that take over your browser.

Features:

• Free cursor archive.
• Lists around 7000 free to use cursors.
• Search and browse cursors by category.
• Check out recent and most popular cursors.
• Download and use cursors on you computer.
• Grab the cursor code and use it on your MySpace profile.
• Free and no sign up.

Check out TotallyFreeCursors @ www.totallyfreecursors.com

• New: Follow MakeUseOf on Twitter. Recommended!
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• Zoogmo – P2P Backup Network
• YuuGuu : Free Desktop Sharing Software
• X3Studios: Create Cool Artsy Wallpapers
• Windows4all: Windows Like Operating System Online
• WhatIsThatFile: Lookup Unknown Files

Features:

• Collection of free to download award certificate templates.
• Browse templates by categories view most popular and latest ones.
• Download as many certificates as you like.
• Free and no registration.

Check out MyAwardMaker @ www.myawardmaker.com

• New: Follow MakeUseOf on Twitter. Recommended!
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• ScheduleGenerator: Class Schedule Maker
• PrintFreeGraphPaper: Generate and Print Graph Paper
• GraphPaper: Make Your Own Graph Paper Online
• Wowbrary: Get Alerts on New Book Arrivals From Your Library
• WiZiQ : Virtual Classroom

For those of you who are not really interested in creating an eCard, you can browse through hundreds of user made eCards, and find your favorite. Someecards cover a wide range of topics, from babies to birthdays to movies. You’re sure to find something you’d like. Users can also vote on their favorite cards, as well as send premade cards to their friends and family. There are a ton of uses for Someecards. Whether it is out of love or hate, Someecards is the place to go to send others your favorite eCards.

Features:

• Make your own eCard for free
• Create your own eCard with a picture and your own text.
• Vote on your favorite eCards.
• For those using Facebook, you can use the Someecards’ Facebook App.
• Find e-cards for just about every occasion.
• Share your favorite eCards with your friend or family.

Visist Someecards @ www.someecards.com

• New: Follow MakeUseOf on Twitter. Recommended!
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• You Serials : Adware-free Serial and CD Key Search Engine
• You Don’t Know Jack
• YearbookYourself: Give your Photos 1950s, 60s, 70s …. look
• XSketch : Online Multiplayer Pictionary Game
• Write Like An Egyptian

All wallpapers are free to download. Registered users (registration is free) may also add wallpapers to their favorites, view top favorited, rate and comment on wallpapers. If you have a hot dual screen wallpaper that aren’t not available on the site you may upload and share it with other users.

Features:

• Free multi monitor wallpapers for download.
• Browse wallpapers by resolution: 2560×1024, 1920×1600, 1680×1050, 1440×900 and 1280×800.
• Rate wallpapers and add your comments (registration needed).
• For more cool wallpaper sites see our wallpapers section.

Check out DualScreenWallpaper @ www.dualscreenwallpaper.com

• New: Follow MakeUseOf on Twitter. Recommended!
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• WallpaperStock: Download High Resolution Desktop Wallpapers
• WallpaperSearch: Free Wallpapers for Your PC
• Wallpaper: Turn an Image Into a Wallpaper with Calendar
• Viscosity : Modearn Art Generator
• TypoGenerator: Generate Random Nonsense Posters

Raffstar is a relatively new website that’s in Beta Testing, but anyone is welcome to create an account and getting tickets to win prizes. The concept of the website is extremely simple. Items will be put up for raffle, and depending on the type of giveaway it is, you will be able to get a certain number of tickets a day. In a speed giveaway, you can get a new ticket each hour. In the standard giveaway, you can get a ticket every day. When the raffle for the item is over, a ticket is chosen at random and the winner will receive the price. Naturally, if you get more tickets, you have a better chance at winning.

There are also different types of raffles. Some raffles are over when a certain number of days pass, no matter how many tickets have been taken. Others are based on the number of tickets taken. When a certain number (say 20,000) of tickets have been taken, the auction is over. This is a great place to try out your luck and win a few prizes. It’s also good to know that you’re supporting charities at the same time and you can always donate your price if you want to.

Features:

• Raffle and win prizes for free.
• No limit to number of tickets one can take. Only a limit on how often.
• Take tickets for multiple items at once
• View list of previous winners and what they won.
• Browse through a dozen of different items up for raffle.

Check out RaffStar @ www.raffstar.com

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

• You Serials : Adware-free Serial and CD Key Search Engine
• Wowio : Download Copyrighted eBooks for Free. Legally.
• WitGuides: Find And Download Ebooks
• TravelGuidesFree: Free Travel Guides & Brochures
• Someecards: eCard Making & Sharing Online

You can either download slides one by one or download them as ready made PowerPoint Templates and Keynote themes.

PowerPoint Templates – Have both the traditional title and content slides and color schemes.

Keynote themes – Each theme offers 10–20 slides, plus variety of designs with transparent cut-outs.

A friendly license allows teachers and students to use up to 50 items in a single, non-commercial project without further permission.

Features:

• Collection of presentation backgrounds and keynote themes.
• Download as many wallpapers as you like.
• Choose between several themes and templates.
• Currently lists more than 20,000 backgrounds to choose from.

Check out Presentations ETC @ www.etc.usf.edu/presentations (by Srikanth AD from Techonaut)

• New: Follow MakeUseOf on Twitter. Recommended!
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• TemplatesWise: Free Downloadable PowerPoint Templates & Backgrounds
• 280Slides : Powerpoint Viewer and Builder
• ZohoShow
• Zoho : Feature-rich Web-based Office Software
• Top 6 Online PowerPoint Moguls Compared (makeuseof.com)

Programs are grouped according to file types like images, audio files, spreadsheets, videos and so on. Just search for the right program using the file extension name. Next, download the program on to your computer and open the file.

Features:

• Helps to open almost any file extension for free.
• Lists lots of freeware programs to open any file files.
• Search for particular program or browse alphabetically.
• Download the program or get it from software developers’ website.
• Free, no registration.
• You may also check out OpenItOnline, a browser tool that can open certian documents, images and other file types without the need to download and install a software for it.

Check out OpenWith @ www.openwith.org

• New: Follow MakeUseOf on Twitter. Recommended!
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• Wakoopa – Discover Cool Software
• Softonic : Popular Software Directory
• SnapFiles
• FileSuffix: Identify Unknown File Formats
• AppWorldBlackBerry: Directory of Paid & Free Applications for the BlackBerry

The site also provides you with inbuilt editor that lets you customize sign according to your needs. Using editor you can add and align text, create vertical or horizontal mirror, toggle between signs, print them out and save onto you computer.

Note: Site works only on Internet Explorer7 and above, If you want to use it on Firefox get IE Tab Add-on.

Features:

• Hundreds of printable warning signs.
• Search and browse them by category (warning, prohibition, mandatory, safe condition, fire evacuation, fire exit banners , public information, hazard warning panels, OSHA signs…. etc.)
• Customize signs by adding your own text.
• Create vertical or horizontal mirror of any sign.
• Save signs on to your computer.
• All sign are free.
• The site works on IE only, to use it on Firefox get IE Tab Add-on.
• Similar sites: WarningSignGenerator and Sign Builder 2.0.

Watch demo video below:

Check out Online-Sign @ www.online-sign.com

• New: Follow MakeUseOf on Twitter. Recommended!
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• Sign Builder 2.0 : ‘Safety’ Sign Maker
• Printable Paper : Free Paper Templates
• Pocketmod : Design and Print Pocket-sized Booklets
• PDFpad
• OnlineCrosswords: Free Printable Crossword Puzzles

Stories are grouped by word count: 1000 words, 2000 words and so on, to help people decide which stories to read depending on a free time they have at their disposal (ex: reading in subway). Login using your Google account.  Save articles in your account to read them later or email them to your Google mail with one click. If you liked a story, vote it up by pressing “Like”.

Features:

• Read full articles from mainstream magazines on cell phone.
• Content from BusinessWeek, RollingStone, Time, Wired, Sports Illustrated and other popular magazines.
• Articles best optimized for reading on iPhone, Amazon Kindle or BlackBerry.
• Read directly the printable versions of articles, with no ads, widgets and graphics.
• Choose which stories to read, based on the word count of each article.
• Sign in with your Google account
• Save articles in your account or email them to your Google mail with one click.
• Free. Sign in with your Google account

Check out Wordds @ www.wordds.com

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• TodaysFrontPages: See Front Pages Of Newspapers Around The World
• Mygazines: Read Latest Issues Of Print Magazines Online for Free
• MagMe: Read Print Magazines Online
• Zinepal: Online Ebook Creator
• ZAPReader : Practise Speed Reading Online

To connect to a Free Hotspot:

1. Find a Hotspot nearby on a Google Map
2. Bring your laptop to a selected Hotspot
3. Choose free-hotspot.com from the wireless networks list
4. Accepts terms of service, watch a short sponsor ad
5. Start surfing !

Below, Free Hotspots in London, UK.

Features:

• Free wifi hotspot locator.
• Free Internet access, supported by advertising.
• No restrictions on internet usage.
• Thousands of locations, mostly in Europe.
• Other site find WiFi in your area is WeFi.

Check out Free Hotspot @ www.free-hotspot.com

• New: Follow MakeUseOf on Twitter. Recommended!
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• WeFi: Find Wifi In Your Area
• DeviceScape: Connect All WiFi Devices to Any WiFi Hotspot
• Connectify: Turn your PC Into a Wireless Access Point

Features:

• Make free calls to America and Canada.
• Make calls to mobile and land lines.
• Make as many calls as you like.
• Creating account lets you make 15 minute long call.
• Calls without registration only 2 minutes long.
• For more similar websites see MakeUseOf free calling category.

Check out CallingAmerica @ www.callingamerica.com

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• dukaDIAL: Make Free Landline Calls within US and Canada
• YardSaleTreasureMap: Yard Sale Locator
• Woot: One Deal a Day
• Voyij: Best Travel Offers and Deals For Any Destination
• ViaTalkFree : Free Calls within US and Canada

You can search for books, browse titles alphabetically or by name of the author. When you find a book that you would to read online, simply click on the title and wait for it to load in Book-bot’s book reader.

The service doen’t require user to be registered before s/he can read books online. However, in addition exiting features registered users are able to keep a track of which page and book they are currently on.

Features:

• Read non-copyrighted books online.
• Book-bot has more then 14000 non-copyrighted books in its catalog.
• Search or browse by author or title.
• Simple and easy to use book reader that lets you easily jump between the pages.
• Keep track of what page and book you were last reading (registered users).
• Check out featured books section.

Check out Book-bot @ www.book-bot.com

• New: Follow MakeUseOf on Twitter. Recommended!
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• Wattpad : Read and Share Books on your Mobile
• ReadPrint: Read Whole Books Online
• Mygazines: Read Latest Issues Of Print Magazines Online for Free
• MagMe: Read Print Magazines Online
• eBookHood: Convert Text, Webpages, RSS Feeds to iPod Format

You can sort and filter search results by torrent site, torrent category (movies, audio, books etc.), torrent link, nr. of peers or seeds and date.

Features:

• Search on seven popular torrent websites at once.
• Supported sites: torrentreactor.net, mininova.org, newtorrents.info, thepiratebay.org, greek-tracker.com, blue-whitegt.com and btjunkie.org.
• Sort results by torrent sites, category, torrent link, peers, seeds and date.
• No registration needed.
• Similar websites: uSniff, LookTorrent, YouTorrent , TorrentFly and NowTorrents.

Torrent Metasearch @ 92.119.154.125/torrentsjson

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• Usniff: Search Multiple Torrent Sites Simultaneously
• TorrentFly: Search 13 Torrent Sites at Once
• TorrentSurf: Search 14 Leading Torrent Engines At Once
• Spific: Refine Google Search Results by Date and Category
• SortFix: Easily Refine Your Search Results

Features:

• Search and download free wallpapers for your PC.
• Sort and filter results by size.
• Clean and simple interface.
• No registration needed.
• Similar: SocWall, DesktopNexus, MyHDWallpaper, Autoknock and  BBsnap (wallpapers for Blackberry).

Check out WallpaperSearch @ wallpapers.quable.net

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

• WallpaperStock: Download High Resolution Desktop Wallpapers
• Wallpaper: Turn an Image Into a Wallpaper with Calendar
• Viscosity : Modearn Art Generator
• TypoGenerator: Generate Random Nonsense Posters
• SocWall : Free Desktop Wallpapers

Features:

• Create custom printable photo calendars online.
• Select month, size and week start day for your calendar.
• Similar tools: ePrintableCalendars, ePrintable and CompactCalendarCreator.

Check out FreePhotoCalendars @ www.freephotocalendar.net

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

• Kalender: Make Your Own 12 Sided Calendar
• ePrintableCalendars: Print Free Calendars Online
• Calendar Creator : Print Compact Calendars Online
• WebMarkers : Print Documents To Web
• SimplyChecklists: Free Checklists for Everyday Life

There are two ways to search for brochures and travel information. You can either click on the map and find a region that interests you or click on one of the 30 plus states shown on the  sidebar.

Features:

• Get free travel guides and brochures.
• Receive them by postal mail or download on to your computer.
• US and Canada only.
• No signup needed.

Check out TravelGuidesFree @ www.travelguidesfree.com

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

• ZimRide: Carpooling Website To Find & Share Rides
• You Serials : Adware-free Serial and CD Key Search Engine
• Yapta: Get Refund on Flight Tickets
• Wowio : Download Copyrighted eBooks for Free. Legally.
• WorldTaximeter : Taxi Fare Calculator

Feature:

• Create compact printable calendars online.
• Create as many calendars as you like.
• Customizable start and end dates.
• Automatically mark holidays for any country.
• Print or save generated calendars as PDF file.
• No registration needed.
• Also see ePrintableCalendars and ePrintable.

CompactCalendarCreator @ www.chrisryu.com/compact_calendar_creator

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

• Kalender: Make Your Own 12 Sided Calendar
• FreePhotoCalendars: Print Photo Calendars Online
• ePrintableCalendars: Print Free Calendars Online
• WebMarkers : Print Documents To Web
• SimplyChecklists: Free Checklists for Everyday Life

Moreover, you can also check out the recent additions (under ‘New Ebooks’) and most popular books (the most downloaded ones), rate and leave comments.

For more ebook resources I highly recommend you to go through our excellent round up article “The Best 6 Sites to Get Free Ebooks“.

Check out WitGuides @ www.witguides.com

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

• Wowio : Download Copyrighted eBooks for Free. Legally.
• ScienceBooksOnline: Free Science eBooks
• PDFse: Search for PDF Files on Google
• PDFgeni: Comprehensive eBook Search Tool
• eBookHood: Convert Text, Webpages, RSS Feeds to iPod Format

Additionally to calendar creation it also offers you a bunch of other useful printable templates tha you might need on a regular basis. The printouts are organized into following categories:

Charts
Finance
Flash Cards
Games
Health and Exercise
IOUs
Lists
Math
Music
Planners
Sports
Sudoku
USA Information
Word Searches

Features:

• Print yearly, monthy and weekly calendars online
• Download and save calendars as PDF or print them out directly
• Free. No sign-up needed.
• See most popular calendar printouts.
• For more cool stuff that you can printout see our printables category.

Similar website: ePrintable

Check out ePrintableCalendars @ www.eprintablecalendars.com

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

• Kalender: Make Your Own 12 Sided Calendar
• FreePhotoCalendars: Print Photo Calendars Online
• Calendar Creator : Print Compact Calendars Online
• WebMarkers : Print Documents To Web
• SimplyChecklists: Free Checklists for Everyday Life

The only thing is that your calls are limited to certain length. The free call duration varies depending on the call destination and line provider. The maximum free call allowance for some countries can go up to 5 minutes per call and 2 calls per day.

When it comes to calling you don’t have to download or install anything, simply dial the country code and the number where you want to call.

Features:

• Make free short calls to any landline or mobile worldwide.
• Duration of free call depends on location and the line provider.
• See free call destination list and the amount of free minutes here.
• No sign up or registration needed.

Similar websites that we have profiled earlier:

• ViaTalkFree – free calls within US and Canada
• FlashPhone – free VoIP calls from browser
• TruPhone – free or low-cost international calls from mobile
• dukaDIAL – free landline calls within US and Canada

Check out EvaPhone @ www.evaphone.com

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

• ViaTalkFree : Free Calls within US and Canada
• TruPhone: Make Free or Low-cost International Calls from Mobile
• Talkster : Free Long Distance Calling
• Ring2Skype: Receive Calls On Skype From Landline For Free
• PokeTalk: Free International Calling To 50+ Countries

Features:

• Download high quality car wallpapers for free.
• Search, browse by category and rate.
• Check out top rated and featured wallpapers.
• Eembed any wallpapers onto your blog or forum.
• No signup needed

Check out Autoknock @ www.autoknock.com

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

• RiskyRoads: See Fatal Traffic Accident Statistics For Your Area
• PetroFix: Stay Immune To Gas Price Increases
• MotorTopia: Social Network For Bike, Boat & Car Enthusiasts
• GasForFree: Place Ads on your Car and Earn Free Gas
• Fuelly: Track, Share and Compare your Gas Mileage

1. Search and download ebooks for free. There are no restrictions on the number of ebooks you can download.

2. Convert text and webpages to iPod and other portable device readable formats. You can convert webpages, basic text, text files and RSS feeds.

Features:

• Convert plain text files, webpages and RSS feeds to ebooks for your portable device.
• Accepted text file formats: TXT and RTF.
• To convert RSS feeds you need to register.
• Search, browse and download free ebooks to read on your portable device.
• Download as many books as you like.
• See recently added and most popular ebooks on eBookHood.com

Check out eBookHood @ www.eBookHood.com

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

• WitGuides: Find And Download Ebooks
• TextOnPhone : Over 30.000 eBooks for Your iPhone
• PDFse: Search for PDF Files on Google
• PDFgeni: Comprehensive eBook Search Tool
• Zinepal: Online Ebook Creator

How does it work?

• Sign-up for a user account and verify your email address.
• Enter your phone and the phone number of the person you want to talk to.
• Click on “Start Your Call”.
• Wait for your phone to ring.

Features:

• Make free landline calls within US and Canada.
• Make as many free calls as you like.
• Add and manage your contacts list online.
• View your call history.
• Note: Calls to and from mobile phones are not free.

As mentioned above, dukaDIAL works only for landline numbers within United Stated and Canada. If you’re looking for similar web app that also works for mobile phones see MakeUseOf free calling category.

Check out ducaDIAL @ labs.jaduka.com/dukaDial

Apart from ducaDIAL Jaduka Labs got a number of other cool web apps you might be interested in:

Earthcaller – Make free calls to US and Canada landlines from your computer.

dukaBUZZ – Enable your site visitors to leave you audio messages.

duhBATE – Create your own presidential duhBATE by adding your voice to your favorite politician and then share it with your friends.

dukaLINK – Create HTML hyperlinks that you can post on Craig’s List, Facebook, your blog, or emails. When users click your dukaLINK, they’re prompted to submit their phone number to automatically initiate a free phone call to you.

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

• CallingAmerica: Free Calling America from Abroad Made Easy
• YardSaleTreasureMap: Yard Sale Locator
• Woot: One Deal a Day
• Voyij: Best Travel Offers and Deals For Any Destination
• ViaTalkFree : Free Calls within US and Canada