Browse free open source PDF Editors and projects for Mac below. Use the toggles on the left to filter open source PDF Editors by OS, license, language, programming language, and project status.

  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
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  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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  • 1
    Skim

    Skim

    A PDF Reader and Note-taker for OS X

    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.
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    Downloads: 4,680 This Week
    Last Update:
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  • 2
    converseen

    converseen

    A batch image converter and resizer

    Converseen is a free cross-platform batch image processor for Windows, Linux, macOS, FreeBSD, and other operating systems. It allows you to convert, resize, rotate, and flip an infinite number of images with a single mouse click. Moreover, Converseen can convert an entire PDF document into a set of images with your preferred characteristics. You can choose from over 100+ formats, set the size, resolution, and the filename. Thanks to ImageMagick, the powerful image manipulation library, Converseen can handle more than 100 image formats, including DPX, EXR, GIF, JPEG, JPEG-2000, PNG, SVG, TIFF, WebP, HEIC/HEIF, and many others. Converseen is designed to be user-friendly, fast, practical, and best of all, it’s available for free!
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    Downloads: 699 This Week
    Last Update:
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  • 3
    PDF Split and Merge

    PDF Split and Merge

    Split and merge PDF files on any platform

    Split and merge PDF files with PDFsam, an easy-to-use desktop tool with graphical, command line and web interface.
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    Downloads: 314 This Week
    Last Update:
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  • 4
    Hypernomicon

    Hypernomicon

    Hypertext-infused philosophy personal database software

    Hypernomicon is a personal productivity/database application for researchers that combines structured note-taking, mind-mapping, management of files (e.g., PDFs) and folders, and reference management into an integrated environment that organizes all of the above into semantic networks or hierarchies in terms of debates, positions, arguments, labels, terminology/concepts, and user-defined keywords by means of database relations and automatically generated hyperlinks (hence ‘Hyper’ in the name). Hypernomicon keeps track of all these things in a highly structured, thoroughly indexed and user friendly relational database, automatically generates semantic hyperlinks between all of them, and presents this information in many different forms so that you are constantly informed of ways all of your information is related that you had not realized.
    Downloads: 23 This Week
    Last Update:
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  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • 5
    pdf combiner merger converter splitter

    pdf combiner merger converter splitter

    PDF Combiner is a user-friendly, GUI-based tool built in

    PDF Combiner is a user-friendly open source free to use, GUI-based tool for combining, pdf to excel, pdf to word, image to pdf, zip, unzip annotate and splitting PDF files. It is easy to use, supports multiple file insert and delete and process, and allows you to adjust the order of files before combining.
    Downloads: 6 This Week
    Last Update:
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  • 6
    LilyPond editor based on JEdit, implemented as a JEdit plugin. It is an edit mode and a feature rich plug-in, which provides tools for making LilyPond scores. Features include instant completion, error report, PDF preview.
    Downloads: 2 This Week
    Last Update:
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  • 7
    denature is a perl program to convert HTML files to PDF files. It does this through a transformation to XSL-FO which is then passed to the FOP program, from xml.apache.org.
    Downloads: 5 This Week
    Last Update:
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  • 8
    WeBooK

    WeBooK

    Powerful Web collector & Html Editor & Ebook builder 3 in 1.

    Save unlimited webpages across websites WeBook saves webpages with an extension. Click on the link, and the webpage is saved. It can save your bookmarks. Manage and edit files with unlimited folders WeBooK creates one folder for each file imported from your local drive and convert the files into html pages. You can create unlimited folders for your files, drag and drop to change it’s position.You can search any file by keywords, edit the content, write your own content by creating an empty page. Split and merge files As you can move pages between files, you split or merge by putting pages into one or different files. Create an ebooks in seconds Select the pages that you want to include in your ebook, customize your book information, including the title, author, language, description, output formats and cover. Support multiple formats WeBook supports EPUB2/EPUB3/KOEPUB/PDF/MOBI/AZW3.
    Downloads: 4 This Week
    Last Update:
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  • 9
    bridgex

    bridgex

    Convert files like docx, xlsx, pptx, html, and more to MarkDown

    Bridgex is an open‑source graphical interface for converting files to Markdown, built in Python and based on Pyside6 (Qt for Python). Its objective is to simplify access to the Markitdown library through a straightforward, modular visual experience. Features ✨ - Cross‑platform graphical interface. - Efficient file‑to‑Markdown conversion. - Modularity: easy to adapt and extend. - Support for multiple input formats. - Lightweight editing prior to saving. Supported Formats 📂 Bridgex supports conversion of the following file formats: - PDF (.pdf) - Word (.docx) - PowerPoint (.pptx) - Excel (.xlsx, .xls, .csv) - Outlook Messages (.msg) - Text (.txt, .text) - Markdown (.md, .markdown) - JSON (.json, .jsonl) - XML (.xml) - RSS/Atom (.rss, .atom) - HTML/MHTML (.html, .htm, .mhtml) - ePub (.epub) - Compressed files (.zip) - Jupyter Notebooks (.ipynb) - Other formats supported by Markitdown Bridgex is not an IDE, text editor, Markdown editor, or document viewer
    Downloads: 4 This Week
    Last Update:
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
    Learn More
  • 10
    iTeXMac is an integrated software which components are: - a text editor dedicated to D.E. Knuth's TeX typesetting system - a frontend to a teTeX like distribution, that includes TeX engines and tools - a PDF viewer
    Downloads: 2 This Week
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  • 11
    PDFView is a simple, yet powerful, Mac Os X PDF viewer, with advanced integration with LaTeX.
    Downloads: 3 This Week
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  • 12
    Jacrobat is a free open source PDF editor that will support all functionalities of a simple word processor. Advanced functionalities will be added as the project matures.
    Downloads: 2 This Week
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  • 13
    This project is powered by FCKeditor and iText library. This promotes iText to new WYSIWYG editor level. FCKeditor is now not only HTML editor but also PDF editor Here is the Korean font supported FCKitext...Please download English version at http://
    Downloads: 1 This Week
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  • 14
    PDF API HTML5 Web Apps

    PDF API HTML5 Web Apps

    Mini SDK JavaScript API library PDF web apps

    A condensed library designed to web modern applications, to quickly export your content html to pdf thanks the famous library in javascript: jsPDF. And a special thanks to the project canvg and html2canvas. Project documentation: http://ulmdevice.altervista.org/pdfapihtml5/#documentation ========== Also available service for Angular 7+: http://ulmdevice.altervista.org/pdfjsapi/ Mobile Applications: http://bit.ly/1MrlgKk Opera add-on: http://bit.ly/1kkMhTa
    Downloads: 1 This Week
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  • 15
    Xom (Xml Object Model) is a lightweight, powerful, and extensible framework for representing Java gui elements. Also, general java gui tools/frameworks for creating impressive user interfaces. Includes a basic PDF viewer, and various gui components.
    Downloads: 1 This Week
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  • 16
    BRIC

    BRIC

    BRIC is a powerful tool for batch image processing.

    Bric is a cross-platform batch image processor. You can convert, resize, rotate and add watermark to your images. Multiple file types are supported for input and output. The project started back in 2011 and was maintained for a couple of years. In 2020 BRIC is again in active development, so some of the features written below might be outdated. Please be patient, until everything is reviewed and rewritten.
    Downloads: 0 This Week
    Last Update:
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  • 17
    JPDF Export
    JPDF Export is a java library built on the famous iText library. It provides simple functions that can be used to build complex pdf files. It also provides simple classes to merge, split and convert pdf files
    Downloads: 0 This Week
    Last Update:
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  • 18
    Mergist

    Mergist

    Mergist is an online tool to combine multiple PDF files into one

    Mergist is an online tool to combine multiple PDF files into one. Mergist has no ads, no file size limits, and your files never leave your device.
    Downloads: 0 This Week
    Last Update:
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  • 19
    The NightLabs PDF Viewer is an Eclipse plug-in for viewing PDF files in Eclipse-RCP-based applications. It contains Eclipse UI components (like a 'Composite' or an 'Editor') for the easy integration into your own program and a stand-alone viewer app.
    Downloads: 0 This Week
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  • 20
    eMark

    eMark

    Free and open-source PDF signing and verification application.

    eMark is a free and open-source PDF signing and verification application – a powerful Adobe Reader alternative that enables you to securely sign, verify, timestamp, and protect PDF documents using: 🔑 USB tokens and HSM (PKCS#11) 📜 PKCS#12/PFX certificates 💻 Windows certificate store Works seamlessly on Windows, Linux, and macOS with an Adobe Reader-like interface featuring professional signature verification capabilities. Built for individuals, enterprises, and government organizations.
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    Downloads: 0 This Week
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  • 21
    HTML/XML/CSS to PDF converter using the reportlab toolkit and pyPDF. Many features, easy to handle and to extend.
    Downloads: 0 This Week
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  • 22
    PDF Viewer Reader

    PDF Viewer Reader

    All client-side solution to read PDF files

    Preview PDF files directly in your macOS. With this comfortable app you can use either the drag and drop and button for opening files that can get from your file system of your OS. =============================== Get Your PDF Reader for Android - https://play.google.com/store/apps/details?id=com.ulm.pdfreader =============================== Update 30.06.2017 Windows 7 and later and macOS 10.9 and later are supported. Extension for Chrome: http://bit.ly/1J6Klms Extension for Firefox: http://mzl.la/1hDvJVb Extension for Opera: http://bit.ly/1KcL6Am == Installation == Download and open zip archive in your macOS. Then extract file and move My-PDFViewer-Reader.app in your Applications folder of your Mac. Finally open application with double click and open pdf file using drag & drop function or open with toolbar button ==Note== AcroForm/XFA is not supported
    Downloads: 0 This Week
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  • 23
    JPDF Tools
    JPDF Tools is a GUI java program built on the JPDF Export library. Its main aim is to create pdf files by inserting texts, images or tables. Users can also merge PDF files, split PDF files, merge images into PDF files and soon convert from and to PDF files.
    Downloads: 1 This Week
    Last Update:
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