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Check out some of the latest MakeUseOf discoveries. All listed websites are FREE or come with a decent free account option. You can make use of them without spending a dime. If you want to have similar cool websites round-ups delivered to your email daily email subscribe here.

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Crocodoc – Usually to modify PDF documents you need to go for paid software. Freeware PDF readers often do not let you draw on the PDF file, type text on it, and annotate it. But thanks to CrocoDoc, there is now a free tool that helps us perform all of those tasks. CrocoDoc is an HTML5-based web tool that lets you read PDF files and modify them. Read more: CrocoDoc: Read Share & Modify PDF Files Online

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Zip Lock – While password-protected zip files is a common practice, there are several tools online that can easily crack the password and unzip the file. If you are obsessed about protecting your compressed files, then you should try Zip Lock. This free and portable app allows you to double-protect your zip files. Read more: Zip Lock: Double Protect Compressed Files

 

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Tradeshift – This simple, yet powerful web-based invoicing tool aimed at companies, both large and small. It lets any company easily send and receive invoices electronically without the need to print out on paper. It is totally free, regardless of the company’s size or transaction volume. Read more: Tradeshift: Free Online Invoicing Tool & Business Social Network

 

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Google Public Data Explorer – Have you done lots of research to gather data but don’t think your charts and diagrams are powerful enough to convey the message? Google Public Data Explorer helps you with that by letting you upload that data and create powerful visualizations. The data you upload needs to be in the DSPL format. Read more: Google Public Data Explorer: Visualize & Share Your Data Online

 

These are just half of the websites that we discovered in the last couple of days. If you want us to send you daily round-ups of all cool websites we come across, leave your email here. Or follow us via RSS feed.

  1. Hammy Havoc
    April 14, 2011 at 4:11 am

    Google Public Data Explorer was something that I wasn't aware of, certainly seems interesting. I shall be giving that some usage presently.

    • Aibek
      April 19, 2011 at 2:27 pm

      Don't forget to drop your feedback here once you have tried it.

      • Hammy Havoc
        April 24, 2011 at 4:19 pm

        Really very good. It isn't for everybody, but I expect 50% of content producers can make use of this in a way that they will find useful.

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