PDF Merge (Beta)
PDFsam
Master PDF Editor
PDF-Shuffler
PDFtk
PDFTK Builder
Qoppa PDF Studio
QPDF
PDFEncrypt
QPDF
PDF Unshare
PDFTK Builder
iSafePDF
PDFtk
PyPDF2
PDFsam
PDF Merge (Beta) PDFEncryptBased on our record, PDFEncrypt seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
PDFEncrypt has been super useful for doing something that none of the other open source PDF tools seem to do ... https://pdfencrypt.net/. Source: over 1 year ago
I built PDFEncrypt (https://pdfencrypt.net) a couple years ago based on a very simple need from a client: to encrypt PDF files via a native Windows app, for free. I have been amazed at the number of visitors (4000/mo), emails, downloads, and donations the project has received. I released it as open source software, and I'm now working on V2 (almost done!) which is a complete rewrite based on user requests, as... - Source: Hacker News / almost 2 years ago
PDFsam - PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files
QPDF - QPDF is a command-line program that does structural, content-preserving transformations on PDF...
Master PDF Editor - Master PDF Editor is complete solution for editing PDF and XPS files.
PDF Unshare - pdf unshare, pdf protection, protect, share, updf, prevent, Lock PDF, Encrypt PDF, PDF Access, Lock, PDF, Encrypt, Access
PDF-Shuffler - PDF-Shuffler is a small python-gtk application, which helps the user to merge or split pdf...
PDFTK Builder - PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.