Showing 25 open source projects for "c# source code"

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  • 1
    book-to-skill

    book-to-skill

    Turn any technical book PDF into a Claude Code skill

    ...The goal is not simply to summarize a book, but to make its knowledge available during problem solving and implementation. book-to-skill is best suited for developers and researchers who want AI assistants to work from specific long-form source material.
    Downloads: 9 This Week
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  • 2
    QuestPDF

    QuestPDF

    A library that can help you with generating PDF documents

    Quickly design and generate PDF documents with an open-source, modern, and battle-tested C# library. Forget about limitations, feel confident, enjoy your task and efficiently deliver professional products. QuestPDF is a progressive library that can help you with generating PDF documents in your .NET application by offering a friendly, discoverable and predictable C# fluent API. Do you believe that creating a complete invoice document can take less than 200 lines of code? ...
    Downloads: 1 This Week
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  • 3
    PDF4QT

    PDF4QT

    Open source PDF editor

    PDF4QT is open source PDF editor based on Qt framework. It contains a C++ library, applications for viewing/editing PDF documents, and a command line tool. PDF4QT is an open-source PDF editor for Windows/Linux. It is a modern solution for viewing/editing/rendering PDF documents, for users and developers alike. For developers, there is a C++ library and a command line tool for use in scripts.
    Downloads: 49 This Week
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  • 4
    Vanilla.PDF

    Vanilla.PDF

    Cross-platform SDK for creating and modifying PDF documents

    Vanilla.PDF is a modern, high-performance, open-source C++17 SDK designed for creating, editing, signing, and analyzing PDF documents across multiple platforms. It requires no external runtime dependencies, making it lightweight and ideal for embedding into desktop applications, servers, or automation pipelines. The SDK offers full cross-platform support including Windows, Linux, macOS, and Android, with builds available for major compilers and architectures.
    Downloads: 2 This Week
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  • 5
    Nano PDF Editor

    Nano PDF Editor

    Edit PDF files with Nano Banana

    Nano PDF Editor is a minimalist, portable PDF viewer and toolkit that focuses on simplicity, speed, and ease of integration for applications that need basic PDF rendering without heavy dependencies. It provides core functionality such as page navigation, zooming, text selection, and rendering directly to native graphics surfaces, making it suitable for lightweight PDF viewing scenarios on desktop or embedded platforms. Designed to be easily embedded into larger software projects, Nano-PDF...
    Downloads: 15 This Week
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  • 6
    WebViewer UI

    WebViewer UI

    WebViewer UI built in React

    ...Built in React, WebViewer UI provides a slick out-of-the-box responsive UI that interacts with the core library to view, annotate and manipulate PDFs that can be embedded into any web project. This repo is specifically designed for any users interested in advanced customizations. With the source code access, it gives developers full control to customize & style the UI, build custom controls & logic, integrate into workflows, or build a UI from scratch. Any approved pull requests made to this repository are merged into WebViewer's internal builds, and can be accessed through the nightly builds. Any approved pull requests to the master branch will go to WebViewer's nightly experimental builds and pull requests to version number branches will go to that version's nightly stable.
    Downloads: 7 This Week
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  • 7
    Laravel Invoices

    Laravel Invoices

    Laravel package to generate PDF invoices from customizable parameters

    Laravel Invoices is a Laravel package for generating invoice PDF files from customizable data. It gives developers a simple interface for creating invoices that can be stored, downloaded, or streamed through configured filesystems. The package supports different templates and locales, making it useful for applications that serve customers in multiple regions. It is designed for business systems, SaaS products, admin panels, and client billing workflows that need invoice output without...
    Downloads: 0 This Week
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  • 8
    Snappy PDF

    Snappy PDF

    A ServiceProvider for Snappy

    Laravel Snappy is a Laravel wrapper around the Snappy PDF/Image library, which itself is powered by wkhtmltopdf and wkhtmltoimage, allowing you to generate PDFs and images directly from HTML. It lets you take a Blade view, raw HTML string, or file and turn it into a downloadable, savable, or in-browser PDF/image response with just a few lines of code. The package integrates cleanly with the Laravel service container and offers a simple facade/API so you can quickly configure page size,...
    Downloads: 0 This Week
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  • 9
    QPDF

    QPDF

    PDF transformation/manipulation program + library

    QPDF is a C++ library and set of programs that inspect and manipulate the structure of PDF files. It can encrypt and linearize files, expose the internals of a PDF file, and do many other operations useful to end users and PDF developers.
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    Downloads: 1,045 This Week
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  • 10
    NAPS2 - Not Another PDF Scanner

    NAPS2 - Not Another PDF Scanner

    Scan documents to PDF and other file types, as simply as possible.

    Visit NAPS2's home page at www.naps2.com. NAPS2 is a document scanning application with a focus on simplicity and ease of use. Scan your documents from WIA- and TWAIN-compatible scanners, organize the pages as you like, and save them as PDF, TIFF, JPEG, PNG, and other file formats. Available on Windows, Mac, and Linux. NAPS2 is currently available in over 40 different languages. Want to see NAPS2 in your preferred language? Help translate! See the wiki for more details.
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    Downloads: 696 This Week
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  • 11
    pstoedit

    pstoedit

    converts PostScript or PDF files to other vector graphics formats

    pstoedit is a tool converting PostScript and PDF files into various other formats suported by different drawing editors. As a prerequesite it needs GhostScript to be installed (binary installation is sufficient).
    Downloads: 96 This Week
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  • 12
    Gerber2PDF

    Gerber2PDF

    Gerber to PDF converter

    Gerber2PDF is a command-line tool to convert Gerber files to PDF for proofing and hobbyist printing purposes. It converts multiple Gerber files at once, placing the resulting layers each on it's own page within the PDF. Each layer has a PDF bookmark for easy reference. Layers can optionally be combined onto a single page and rendered with custom colours and transparency. There is a Drill to Gerber converter available from the downloads page.
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    Downloads: 27 This Week
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  • 13
    pdfcook

    pdfcook

    Prepress preparing tool and PDF editor

    Preprinting preparation tool for PDF ebooks. On windows create a folder build/ beside src/ directory. PDF v1.7 support. Decrypt encrypted PDFs. Join or Split PDFs. Scale to any paper size, with specified margin. Write Page numbers. Write text and transform pages (rotate, flip, move). Booklet format arrange. 2 or 4 pages per page (2-up, 4-up). More readable output syntax for easy debugging.
    Downloads: 0 This Week
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  • 14

    gsSetInitialView

    GUI to set PDF initial view using Ghostscript on Windows

    Free and open-source GUI application for setting the initial view property of a PDF document. The GUI allows for user selection of the initial view settings (navigation pane, page layout, zoom, etc.), generates a snippet of corresponding PostScript code (pdfmark), and then runs the Ghostscript command line program to apply the pdfmark to the PDF file.
    Downloads: 12 This Week
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  • 15
    PdfDecrypt

    PdfDecrypt

    .NET CLI tool for decrypting pdf files. (Pdf password remover)

    .NET CLI tool for decrypting pdf files. (Pdf password remover)
    Downloads: 2 This Week
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  • 16

    PoDoFo

    A PDF parsing, modification and creation library.

    The PoDoFo library is a free, portable C++ library. It can parse and modify existing PDF files and create new ones from scratch. It also includes several tools to work with PDF files. It features an unique approach which provides access to PDF documents via an object tree. Therefore, PDFs can be created and or manipulated using a simple tree structure. Development of PoDoFo has been moved to GitHub: https://github.com/podofo/podofo Please raise new issues in the GitHub project.
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    Downloads: 49 This Week
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  • 17
    MagicalPdfEditor

    MagicalPdfEditor

    This is a small PDF editor based on OpenPdf core and AndroidPdfViewer

    This is a small PDF editor based on OpenPDF Core and AndroidPdfViewer. As there is not many open-source easy working PDF editors and PDF wizards, I decided to create a simple directory to resolve my issues. Here I have worked on two separate cores, add some functionality to them, and combined them together to achieve my target. I am working on this repo, any help will be appreciated. Just clone the project and trance the source code, It's really easy and clear. ...
    Downloads: 0 This Week
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  • 18
    Free editor for PDF documents. Complete editing of PDF documents is possible with PDFedit. You can change raw pdf objects (for advanced users) or use many gui functions. Functionality can be easily extended using a scripting language (ECMAScript).
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    Downloads: 188 This Week
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  • 19
    Easy PDF Two Sided

    Easy PDF Two Sided

    Imprimir PDFs a doble cara en cualquier impresora

    Con "Easy PDF Two Sided" puedes dividir tu archivo PDF en dos partes para imprimir todas las páginas pares por una parte, y a continuación imprimir las impares invertidas. De este modo puedes tomar un taco de folios y simplemente darle la vuelta al imprimir la segunda parte, sin tener que reordenar los folios. REQUISITOS: - Windows 7 o superior. - NET Framework 4.7.2 o superior.
    Downloads: 1 This Week
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  • 20
    PDFCreator

    PDFCreator

    Converts every printable document to PDF, JPG, PNG, TIF and more

    PDFCreator creates professional PDFs with just a few clicks and it's free. PDFCreator comes with many professional features to merge documents, send emails, and more. PDFCreator easily creates PDFs from any Windows program. Use it like a printer in Word, Excel, or any other Windows application. A PDF takes less storage space, and is easier to send with email. Make PDF creator part of your the software suite you have installed on your computer for easy PDF creation. PDFCreator also...
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    Downloads: 732 This Week
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  • 21
    Add Pages to an existing PDF Remove/split PDF-Documents Extract Text/Images from PDF-Documents Change Document Metadata Shrink File Size Simple and flexible User Interface No Cloud-Services needed!
    Downloads: 0 This Week
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  • 22

    ConcatPDF

    PDF Concatenation Tool

    ConcatPDF is the tool to concatenate PDF files. It can concatenate, extract, encrypt, decrypt, configure PDF files, convert image files to PDF. GUI version and CUI version are both available. iText.NET is iText porting on .NET Framework by J#. This library allows you to generate PDF, (X)HTML, XML, RTF files on Microsoft.NET Framework including ASP.NET.
    Downloads: 38 This Week
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  • 23
    PDFManager

    PDFManager

    Application to modify pdf files.

    Java application to modify PDF files. It may be used to merge two or more PDF files, delete pages, change page order, etc. Windows installer and source code to download. ------------------------------------- Version 2.0: You may create PDF files from *txt files; You may create PDF files from pictures; You may choose the order of the pages when merging files; New Interface; Available for Linux; -------------------------------------
    Downloads: 0 This Week
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  • 24

    Free pdf merger and splitter simple

    Free PDF Merger And Splitter simple

    A simple PDF merger were you can add PDF's, sort them and merge them into one file. You can also split a pdf based. Also works on Windows 10. No registration needed, just simple and quick.
    Downloads: 0 This Week
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  • 25
    iText®, a JAVA PDF library

    iText®, a JAVA PDF library

    PDF Library for Developers

    iText is an open-source PDF library available for Java and .NET (C#). iText allows you to effortlessly generate and manipulate standards-compliant PDF documents with a powerful and feature-rich SDK. With iText, you can create archivable and accessible PDFs, split and merge documents, fill and flatten forms, digitally sign documents, and more. iText add-ons enable additional functionality, such as PDF creation from HTML templates, secure redaction, OCR, and much more. ...
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    Downloads: 114 This Week
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