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YouTube is a place to discover, watch, upload and share videos.

Guiding Tech is a tech blog that aims to solve computer problems, introduce users to cool tools and make them more productive.

Best eBooks Software provider, remove DRM from ePUB, PDF, AZW, PRC with easy. Read eBooks on iPad, Sony Reader, Nook, Kobo with no limitation.

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PDF Converter Elite is a software package that lets users convert their PDF documents into Word, Excel, PowerPoint and also create, manage and edit PDFs anytime.

Kvisoft, professional Flash flipping book and Flash photo software provider, dedicates to offering you an easy way to make PDF flipping page book and Flash photo albums.

Unconventional language learning/hacking tips from Benny the Irish polyglot; travelling the world to learn new languages to fluency

Converting HTML to PDF online made easy. Convert Web and raw HTML to PDF in your browser or from PHP, Python, Ruby, .NET, Java apps via our REST API.

Simpo provides fast PDF tools to Convert PDF to Word, Convert Office to PDF, Merge PDF Files, Split PDF, Convert PDF to PowerPoint.

Flip PDF (MAC & Windows)- build stunning flash flip books, digital magazines, page flip books, brochures and interactive catalogs for both online and offline use in minutes.