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An IFilter acts as a plug-in for extracting full-text and metadata for search engines. A search engine usually works in two steps: [2] [3] The search engine goes through a designated place, e.g. a file folder or a database, and indexes all documents or newly modified documents, including the various types documents, in the background and creates internal data to store indexing result.
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.
Import from PDF (with restrictions) (after installing an extension), export as PDF including PDF/A. Apache OpenOffice Draw: GNU LGPL: Yes Yes Yes Yes PDF import via software, or extensions. Apache PDFBox: Apache License 2.0: Yes Yes Unix Yes Converts PDF to other file format (text, images, html). Collabora Online: MPLv2.0: Yes Yes Yes
Nitro Software offers a PDF editor, a browser-based application for electronic signatures, and various PDF productivity tools. Subscription services feature cloud-based user management, deployment, and analytics tools. The company also manages several document conversion websites. Nitro Software's desktop products are compatible with Windows ...
Everything is a freeware desktop search utility for Windows that can rapidly find files and folders by name. While the binaries are licensed under a permissive licence identical to the MIT License , [ 2 ] it is not open-source .
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PDF 2.0 defines 256-bit AES encryption as the standard for PDF 2.0 files. The PDF Reference also defines ways that third parties can define their own encryption systems for PDF. PDF files may be digitally signed, to provide secure authentication; complete details on implementing digital signatures in PDF are provided in ISO 32000-2.
This is a list of free and open-source software (FOSS) packages, computer software licensed under free software licenses and open-source licenses.Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source. [1]