Open-source C projects categorized as PDF | Edit details

Top 11 C PDF Projects

  • sumatrapdf

    SumatraPDF reader

    Project mention: Druckporbleme bei PDF Dateien und dem Adobe Reader | reddit.com/r/de_EDV | 2022-01-18
  • libvips

    A fast image processing library with low memory needs.

    Project mention: Images preview problem | reddit.com/r/FileRun | 2021-12-23

    Thank you, this helps a lot. I opened a bug report with Vips dev: https://github.com/libvips/libvips/issues/2599

  • OPS

    OPS - Build and Run Open Source Unikernels. Quickly and easily build and deploy open source unikernels in tens of seconds. Deploy in any language to any cloud.

  • libharu

    libharu - free PDF library

  • sioyek

    Sioyek is a PDF viewer designed for reading research papers and technical books.

    Project mention: Pdf reading application for research purposes | reddit.com/r/macapps | 2022-01-04

    Have a look at : Sioyek I tried it last year and it was a bit problematic on MBA M1.

  • PDF-Writer

    High performance library for creating, modiyfing and parsing PDF files in C++

  • precomp-cpp

    Precomp, C++ version - further compress already compressed files

    Project mention: How to achieve maximum compression with FreeArc! | reddit.com/r/compression | 2022-01-16

    An example of such tool is precomp - this one is unlikely to be used by FitGirl though, it's just a tool that I know of : http://schnaader.info/precomp.php

  • PDFGen

    Simple C PDF Writer/Generation library (by AndreRenaud)

    Project mention: We did a little benchmarking comparing GeekDude's cJSON parser with a RegEx | reddit.com/r/AutoHotkey | 2021-07-23

    MCLib is actually "close enough" to the environment that plain C expects that I was able to port a ~3000 line C library for building PDF files in maybe an hour or two a few weeks back. And in that time, MCLib has been getting better and better at faking the environment that C expects, so it is likely even easier to port code now.

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

  • clawPDF

    Open Source virtual PDF printer for Windows // Print to PDF, PDF/A, PDF/X, PNG, JPEG, TIF and text

    Project mention: CutePDF alternative? | reddit.com/r/Revit | 2021-05-08
  • pdfalto

    PDF to XML ALTO file converter

    Project mention: Trouble running command-line GitHub Project | reddit.com/r/techsupport | 2021-11-27

    So I work at a media library, and I need to obtain xml ALTO files from some pdf files for archival purposes. I found this project That seemingly does what I'm searching for. I have some knowledge about compiling a project, so i did it on an Ubuntu installation that i use exclusively to compile programs.

  • fbpdf

    A small framebuffer pdf, djvu, epub, xps, and cbz viewer

    Project mention: Document Viewer | reddit.com/r/embeddedlinux | 2021-10-25
  • qpdf-rs

    Rust bindings for QPDF C++ library

    Project mention: Announcing qpdf-rs: Rust bindings to C++ QPDF library for PDF manipulations | reddit.com/r/rust | 2022-01-03

    The project aims to create a safe wrapper over a popular QPDF library using it's C API bindings. It's still in development but I think is already usable. Not published yet on crates.io, some work is still missing on documentation, general polish and API stabilization. Use cases: PDF transformations such as page extraction/deletion/duplication, page rotation, booklets/N-up formatting, merging of documents, PDF decryption, etc.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2022-01-18.

C PDF related posts


What are some of the best open-source PDF projects in C? This list will help you:

Project Stars
1 sumatrapdf 7,612
2 libvips 6,210
3 libharu 1,232
4 sioyek 1,171
5 PDF-Writer 609
6 precomp-cpp 280
7 PDFGen 264
8 clawPDF 232
9 pdfalto 126
10 fbpdf 125
11 qpdf-rs 5
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