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LibreOffice. Free ( Mozilla Public License) an Office suite; allows to export (and import, with accuracy limitations) PDF files. Microsoft Word 2013. Proprietary. Desktop software. The 2013 edition of Office allows PDF files to be converted into a format that can be edited. Nitro PDF Reader.
Foxit PDF Reader (formerly Foxit Reader) is a multilingual freemium PDF (Portable Document Format) tool that can create, view, edit, digitally sign, and print PDF files. [3] Foxit Reader is developed by Fuzhou, China-based Foxit Software. Early versions of Foxit Reader were notable for startup performance and small file size. [4] Foxit v3.0 was ...
Open-source software(OSS) is computer softwarethat is released under a licensein which the copyrightholder grants users the rights to use, study, change, and distribute the softwareand its source codeto anyone and for any purpose. [1][2]Open-source software may be developed in a collaborative, public manner.
"Free and open-source software" (FOSS) is an umbrella term for software that is simultaneously considered both free software and open-source software. [5] The precise definition of the terms "free software" and "open-source software" applies them to any software distributed under terms that allow users to use, modify, and redistribute said software in any manner they see fit, without requiring ...
The P versus NP problem is a major unsolved problem in theoretical computer science. Informally, it asks whether every problem whose solution can be quickly verified can also be quickly solved. Here, quickly means an algorithm that solves the task and runs in polynomial time exists, meaning the task completion time varies as a polynomial ...
Online public access catalog. The online public access catalog ( OPAC ), now frequently synonymous with library catalog, is an online database of materials held by a library or group of libraries. Online catalogs have largely replaced the analog card catalogs previously used in libraries.
Free software played a significant part in the development of the Internet, the World Wide Web and the infrastructure of dot-com companies. [57] [58] Free software allows users to cooperate in enhancing and refining the programs they use; free software is a pure public good rather than a private good.
Javelin PDF Reader. Javelin PDF Reader is a full functionality secure PDF reader for Windows, macOS, iOS (iPad and iPhone) and Android, with support for Digital Rights Management (DRM) using encoded and encrypted PDF files in Drumlin's DRMX and DRMZ formats. PDF files that have been converted to the DRMX and DRMZ formats (using the free ...