Open Source PDF Editors

Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.

Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.

locally hosted web application that allows you to perform various operations on PDF files.

Free and open source desktop application to split, merge, extract pages, rotate and mix PDF files.

BentoPDF is a PDF Toolkit that works fully offline with no sign ups. It's fast, secure and forever free. In an era where data is a commodity, we take a different approach. All processing for BentoPDF tools happens locally in your browser.

PDFTK Builder is a free graphical interface to for PDFtk, making it much easier to use. It is a easy to use tool to collate (merge), split, encrypt, decrypt, stamp and rotate (only 90°, 180° or 270°) pdf documents.

Open-source PDF viewer/editor using Qt framework with C++ library, multithreading, hardware rendering, encryption, text layout, and form tools.

Merge, split, rotate, crop and rearrange pdf documents and their pages using an interactive and intuitive graphical interface.

PDF Chain is a graphical user interface for PDFtk. The GUI supports all common features of the command line tool in a comfortable way.

Qpdf Tools is an easy-to-use Qt interface for Ghostscript and QPDF.

Advanced tool supporting lossy, lossless, and archival compression, page manipulation, merging, splitting, and PDF-to-image conversion, all offline.

PdfDing is a browser based PDF manager, viewer and editor that you can host yourself. It offers a seamless user experience on multiple devices. It's designed be to be minimal, fast, and easy to set up using Docker.

CubePDF Utility allows you to intuitively perform editing tasks such as merging, extracting, splitting, deleting, reordering, and rotating PDF pages via thumbnails.

Karp - gives simple UI for PDF files modification. With a few mouse strokes user can:

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.

jPDF Tweak is a Swiss Army Knife GUI application for PDF documents: combine, split, rotate, reorder (n-up, booklet), watermark, edit bookmarks/fileinfo/pagetransition, compress, encrypt, decrypt, sign, repair, edit attachments and more.

JPdfBookmarks helps you create or edit bookmarks in PDF files, and set the selected bookmark to link to a website, open a file from the computer, or go to a specific position from the PDF file.

PrivatePDF is a free web tool that lets you make quick PDF edits from within your web browser, without uploading anything anywhere.

Quick PDF Join is a cross-platform, simple application that joins multiple PDF files together.

Edit documents directly in your browser.

PDF Split and Merge tool is implemented using the PdfSharp library and is either GUI or command driven.It is useful for automated document creation.It allows bookmarks from the input pdfs to be imported and flexibly embedded in the destination document.

PDF Mix Tool is a simple and lightweight application that allows you to split, merge, rotate and mix PDF files. It is written in C++ and depends only on Qt 5 and PoDoFo.

PyPDF2 - A utility to read and write pdfs with Python.

Couturier is a PDF merge application for the GNOME Desktop. It allows to merge multiple PDF documents and images into one single PDF document.

open source, multi-platform and interactive vector drawing picture editor for LaTeX and PSTricks