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This is a category of articles relating to free software for making or viewing Portable Document Format (PDF) documents. That is, software which can be freely used, copied, studied, modified, and redistributed by everyone that obtains a copy. Typically, this means software which is distributed with a free software license, and whose source code ...
Cartopedia: The Ultimate World Reference Atlas; Celestia; Google Earth - (proprietary license); Gravit - a free (GPL) Newtonian gravity simulator; KGeography; KStars; NASA World Wind - free software (NASA open source)
OpenStax textbooks follow a traditional peer review process aimed at ensuring they meet a high quality standard before publication. Textbooks are developed and peer-reviewed by educators in an attempt to ensure they are readable and accurate, meet the scope and sequence requirements of each course, are supported by instructor ancillaries, and are available with the latest technology-based ...
As with Adobe Acrobat, Nitro PDF Pro's reader is free; but unlike Adobe's free reader, Nitro's free reader allows PDF creation (via a virtual printer driver, or by specifying a filename in the reader's interface, or by drag-'n-drop of a file to Nitro PDF Reader's Windows desktop icon); Ghostscript not needed. PagePlus: Proprietary: No
Digital library of hundreds of classic Christian books selected for edification and education, including some Greek and Roman classics. CCEL texts are stored in the library's own Theological Markup Language, which is an XML application. Texts are converted into other formats as well, such as HTML or PDF. CiteSeerX
Download QR code; Print/export Download as PDF; Printable version; ... Free PDF software (1 C, 27 P) P. PDF readers (1 C, 16 P) Pages in category "PDF software"
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
An open textbook is a textbook licensed under an open license, and made available online to be freely used by students, teachers and members of the public.Many open textbooks are distributed in either print, e-book, or audio formats that may be downloaded or purchased at little or no cost.