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.
- - PDFTK Builder is the most popular Windows alternative to iSafePDF.
- - PDFTK Builder is the most popular Open Source & free alternative to iSafePDF.
PDFTK Builder Features
PDFEncrypt is a free, open-source utility for Windows that encrypts any PDF file using industry-standard encryption algorithms. Simply select the unencrypted file, enter a password, and the encrypted file is generated.
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.
- - jPdf Tweak is the most popular Mac & Linux alternative to iSafePDF.
jPdf Tweak FeaturesDiscontinued
The program is no longer updated. Latest version, 1.1, released in December 2011, can be still downloaded from the official website.
It could have been called something like pdf-to-pdf. It also provides many useful capabilities to developers of PDF-producing software or for people who just want to look at the innards of a PDF file to learn more about how they work.
PDF Architect is a PDF Editor with free functions like rotate, delete and move pages and even more like editing text, PDF to Word, 256 Bit AES Encryption and more.
PDF Architect Features
PDFTools is a PDF management application. It can encrypt, decrypt, join, split, stamp, create and rearrange a PDF file.
Last version, 1.3, was released on August 2007. It is still downloadable from the official website.
FileProtect provides a secure digital rights management (DRM) wrapper around all your sensitive files, including Adobe PDF and Microsoft Office (Word, Excel, Powerpoint). With FileProtect, there are no plugins to install or update — it all just works.
- - CapLinked FileProtect is the most popular commercial alternative to iSafePDF.
Locklizard Safeguard PDF Security provides total PDF DRM protection and control over your documents through a multi-layered protection mechanism that does not rely on passwords.
- - Locklizard Safeguard PDF Security is the most popular Android, iPhone, iPad & Android Tablet alternative to iSafePDF.
Locklizard Safeguard PDF Security Features
Wonderfulshare PDF Protect Pro is an intuitive software solution designed to help you easily secure and encrypt your PDF files. You can protect your PDF files from unauthorized access after you have set owner-password and / or user-password.