locally hosted web application that allows you to perform various operations on PDF files.
Cost / License
- Freemium
- Open Source
Application types
Platforms
- Mac
- Windows
- Online
- Self-Hosted
- Cloudron
- Docker Hub




The best open source PDF Editor alternative to Adobe Acrobat DC is Stirling-PDF. If that doesn't suit you, our users have ranked more than 100 alternatives to Adobe Acrobat DC and 17 are open source PDF Editors so hopefully you can find a suitable replacement. Other interesting open source PDF Editor alternatives to Adobe Acrobat DC are BentoPDF, PaperKnife, Signature PDF and PDFtk.
locally hosted web application that allows you to perform various operations on 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.



Privacy-first PDF utility (Zero-Server Architecture). Merge, split, compress, and edit PDFs 100% locally on your device. No uploads, no servers, no tracking.


Free open-source web software for signing (alone or with others), organizing (merge, sort, rotate, delete, extract pages, ...), editing metadatas or compressing PDFs.




PDFtk is a simple tool for doing everyday things with PDF documents. It comes in three flavors: PDFtk Free, PDFtk Pro, and our original command-line tool PDFtk Server.





Comprehensive PDF utility enabling advanced lossy, lossless, and archival compression, high-resolution image conversion, page rotation or deletion, merging, splitting, and batch processing, all with a minimal interface, offline operation, and cross-platform support.



This program was created in order to convert sewing patterns into a convenient format for projecting, though it could be used to stitch together any PDF.


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



FormulatePro helps you open and write on PDF documents. You can fill out any PDF form document, drop in graphics, scribble with the mouse or a tablet, save and print.


It lacks many features and has bugs. The PDF open button sometimes disappears.