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PDFtk (short for PDF Toolkit) is a toolkit for manipulating Portable Document Format (PDF) documents. [3] [4] It runs on Linux, Windows and macOS. [5] It comes in three versions: PDFtk Server (open-source command-line tool), PDFtk Free and PDFtk Pro (proprietary paid). [2] It is able to concatenate, shuffle, split and rotate PDF files.
Installing the Unpaywall extension on your browser helps you find the full text of the articles wherever you found them. WorldCat has millions of books and journal articles, and if you register for a free account, it will show you the closest libraries to you that have the source your are looking for. Some books and articles are available in ...
the article about bibliographic databases for information about databases giving bibliographic information about finding books and journal articles. Note that "free" or "subscription" can refer both to the availability of the database or of the journal articles included. This has been indicated as precisely as possible in the lists below.
HTML 4.01 Specification since PDF 1.5; HTML 2.0 since 1.2 Forms Data Format (FDF) based on PDF, uses the same syntax and has essentially the same file structure, but is much simpler than PDF since the body of an FDF document consists of only one required object. Forms Data Format is defined in the PDF specification (since PDF 1.2).
1.5.1 Free Yes GNU GPL: CiteULike: Oversity Limited 2004-11 Shut down on 2019-03-30 [50] Free No Proprietary [r] Centrally hosted website colwiz: colwiz Ltd 2011 2016-05-09 Free / Online storage free up to 3 GB / Additional storage space available No Proprietary: Now combined with wizdom.ai Pybliographer: pybliographer developers 1998-10-30 (0. ...
These sites allow you to search for articles that are entirely free to read. Find this article in BASE, a search engine for academic open online resources; Find this article in OAIster, a catalogue of open-access materials; Find this article at JURN, a curated search engine for free academic articles and books
PubMed provides review articles from the past five years (limit to free review articles or to systematic reviews) The TRIP database provides clinical publications about evidence-based medicine . The Cochrane database provides access to full text evidence-based medical content: clinical publications about evidence-based medicine .
Special:Book – PDF; mw:Alternative parsers – various, including HTML and XML; wikitable2csv – CSV; mw:Extension:TextExtracts – HTML or plain text; without links; meta:User:Tbayer (WMF)/Converting wiki pages to plaintext emails – text; MediaWiki to LaTeX – PDF, EPub, Odt or LaTeX; Wiki Embed Plugin – WordPress