The best open source alternative to Bluebeam Revu is PaperKnife. If that doesn't suit you, our users have ranked more than 50 alternatives to Bluebeam Revu and 11 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Bluebeam Revu are PDFTK Builder, PDF4QT, PDF Reader Pro (by ahmmedrejowan) and PDF Toolkit: Edit, Merge, Sign.
Privacy-first PDF utility (Zero-Server Architecture). Merge, split, compress, and edit PDFs 100% locally on your device. No uploads, no servers, no tracking.
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.
Australia
Open-source PDF viewer and editor using Qt framework, featuring hardware-accelerated rendering, encryption, multithreading, text-to-speech, annotation tools, form filling, high-res monitor support, document compression, audio book conversion, and signature validation.
Czechia
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A feature-rich, privacy-focused PDF app built with Jetpack Compose and Material 3. View, edit, and manage PDFs with 12 powerful tools including merge, split, compress, rotate, lock/unlock, and more. Supports bookmarks, table of contents, full-text search, and auto-scroll for...
Bangladesh
Privacy-first, offline PDF editor for Android. Merge, split, compress, convert and annotate PDFs — 100% on-device, no internet required.
India
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.
GermanyEU
This desktop app reads and writes PDF documents. It was created for a small copy shop in Germany. Features of this application are:
GermanyEU
ZapPDF is the ultimate privacy-first PDF utility. Whether you are dealing with sensitive financial documents, legal forms, or heavy study materials, ZapPDF gives you the power to manage them instantly—without ever uploading your private files to a random cloud server.
Türkiye
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.
Plan Measure is a free and open-source browser tool for taking measurements directly from architectural PDF plans. Users can calibrate the scale using a known distance, measure straight-line distances and polygon areas or perimeters, work with multi-page PDFs, edit measurement...
SpainEU
Nettongia PDF Editor is a free and open-source PDF editor for Windows that processes documents locally without uploading them to a server. It allows users to edit existing text, add and modify images, reorder, rotate or delete pages, create and insert signatures, search...
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