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GIMP is a free and open-source raster graphics editor used for image manipulation and image editing, free-form drawing, transcoding between different image file formats, and more specialized tasks. It is not designed to be used for drawing, though some artists and creators have used it in this way. Platforms macOS
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Pine is lightweight macOS markdown editor. It's currently a work in progress. Feature * Themeable * Math support (LaTeX subset) * GitHub Flavored Markdown * GitHub Emoji support * LaTeX, Markdown and HTML autocomplete * Local image support * Toggleable split view (horizontal and vertical split) * Full screen support * Tab support * Folder support * Ability to
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AppFlowy.IO is a free open-source note-taking software for teams. It allows you to create almost anything you want in a writing canvas, such as tasks, kanban boards, and more. AppFlowy is written in Flutter/ Dart, and it uses Rust for the backend. Compared to Notion, AppFlowy allows you to
macos
Alchemy is an impressive, open-source file converter built on the reliable Electron and React. It offers a variety of operations, including the ability to merge files into a PDF. Its features include an elegantly simple, drag-and-drop interface for converting and merging files, as well as the option to merge multiple
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MarkText is an MIT licensed open source project, and the latest version will always be downloadable for free from the GitHub release page. Features * Realtime preview (WYSIWYG) and a clean and simple interface to get a distraction-free writing experience. * Support CommonMark Spec, GitHub Flavored Markdown Spec and selective support Pandoc
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DocFetcher is an Open Source desktop search application: It allows you to search the contents of files on your computer. — You can think of it as Google for your local files. The application runs on Windows, Linux, and OS X, and is made available under the Eclipse Public License. Features
Document Manager
Docspell is a personal document organizer. Or sometimes called a "Document Management System" (DMS). You'll need a scanner to convert your papers into files. Docspell can then assist in organizing the resulting mess 😉. It can unify your files from scanners, emails and other sources. It is
research
Tropy: The Best Photo Organizer for Researchers
ConvertO is an open-source free PDF editing app for Android devices. It enables you to edit, compress, merge, save PDF as well as extract images etc. Features * Add Watermark to PDF * PDFs Merge * PDF Compression * PDF invert * Images to PDF * Extract images from PDF Download * Google Play License * GPL-3.0
OfficeToPDF is a command line utility that converts Microsoft Office 2003, 2007, 2010, 2013 and 2016 documents from their native format into PDF using Office's in-built PDF export features. Most Office to PDF converter tools are intended as single-user desktop applications. OfficeToPDF is useful (and unique) if you
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Alchemy is an impressive, open-source file converter built on the reliable Electron and React. It offers a variety of operations, including the ability to merge files into a PDF. Its features include an elegantly simple, drag-and-drop interface for converting and merging files, as well as the option to merge multiple
For those seeking to handle more complex PDF tasks, premium software or online services with a wider range of features are often the go-to. However, this post presents the most comprehensive list of free and open-source alternatives available. PDF4Teachers is a free open-source app specifically designed for teachers to annotate
Although we have already discussed the availability of various open source free PDF editing applications and PDF OCR software, it is worth noting that the functionality of these tools is often limited. For many users, additional operations on PDF files are necessary beyond what these tools can provide. These operations
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PDF file formats are a compact format widely used to create portable documents, reports, e-books, and more. Originally developed by Adobe in 1992, it has become a world standard. PDF files can contain text, images, and tables, and can be generated by many office suites, document editors, apps, web services,
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إذا كنت تبحث عن طريقة لإدارة ملفات PDF بدون الحاجة إلى شراء برامج مكلفة، فلدينا لك هذه القائمة المفيدة التي تضم عشر تطبيقات مجانية لإدارة ال PDF: 1. Adobe Acrobat Reader DC - هذا التطبيق مجاني ويوفر لك قدرة على عرض وتحرير ملفات PDF. 2. PDF-XChange Editor - هذا التطبيق
Businesses create and share documents on a regular basis. For running an online business, you will not have time to note down information using paper and pen. The online information businesses save, and share contains private or confidential information, which should be protected in all cases. But how can you
PDF is a popular file format that has been widely used for exchanging and sharing documents for a long-time. It has become the standard for document exchange and has been widely adopted by businesses, organizations, and individuals. PDFs are useful because they maintain the original formatting of the document, making
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Some teachers and students require editing their PDF to add annotations, and study notes. Editing a PDF file is not an easy task, sometimes because of lack of a proper software. And it gets worse when you want to edit a badly encoded PDF file. While there are many commercial
YuranPad is a free text editor, for Windows and Unix/Linux platforms. It was released on 2020 as an alternative for Notepad. YuranPad written in FP Lazarus Project, an open-source library of visual components and a powerful IDE for rapid cross-platform development. Lazarus may be the most native cross-platform development
Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file. Skim requires OS X 10.10 or higher. Features 1. Lightweight app. 2. View and read small and
Wiki
Amusewiki is a free and open-source wiki engine that also can be used as authoring, archiving and publishing platform. Amusewiki is also an amazing EPUB editor, viewer and authoring tool. Unlike many other wiki engines, Amusewiki uses Emacs Muse Markup instead of Wiki syntax, or Markdown. It comes with a
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A simple tool to decrypt PDF files.
Web-based Apps
What is the Taguette app? The Taguette app is a free and open source qualitative research tool. It is also a web-based self-hosted solution that anyone can install on his local machine or web server. It works on a single user mode and multi-user mode without having to worry about
Development
What is WeasyPrint? WeasyPrint is a free, open-source software that helps developers create PDF documents from HTML pages. It is a straightforward solution to create invoices, tickets, PDF reports, and rich PDF without having to worry about the internals. From a technical point of view, WeasyPrint is a visual rendering