Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit, and sign PDF files at your desk or on the go.
- - Adobe Acrobat DC is the most popular Web-based, Windows & Mac alternative to PortableSigner.
- - Adobe Acrobat DC is the most popular commercial alternative to PortableSigner.
Adobe Acrobat DC Features
Create, Convert, Review and Edit PDF Documents on Windows, macOS, and Linux.
- - Qoppa PDF Studio is the most popular Linux alternative to PortableSigner.
- - Qoppa PDF Studio is the most popular free alternative to PortableSigner.
Qoppa PDF Studio Features
DottedSign is the most comprehensive and easy-to-adopt e-signature solution, offering businesses enterprise-level security standards, equipping them for mobile-first hybrid work environment.
- - DottedSign is the most popular Android, iPhone, iPad & Android Tablet alternative to PortableSigner.
Nitro Pro gives you everything you need to create, convert, edit, sign, and share 100% industry-standard PDF files. It's simple, straightforward, and intuitive to use — so you can work more productively, your way.
Nitro PDF Pro Features
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 Open Source alternative to PortableSigner.
PDFTK Builder Features
Kdan PDF Reader is the ideal app for anyone who works with PDFs in the office or at home. PDF Reader allows you to organize all annotated information with a few taps.
Kdan PDF Reader Features
Adobe Fill & Sign lets you fill, sign, and send any form fast. You can even snap a picture of a paper form and fill it in on your phone or tablet. Then e-sign and send. No printing or faxing needed.
LibreSign is a web application for electronic signatures (e-Sign) developed by the LibreCode cooperative (Brazilian cooperative specialized in free software development). Its development began at the beginning of 2020, in the midst of the pandemic, when people and companies were...
- - LibreSign is the most popular SaaS & Self-Hosted alternative to PortableSigner.
PDF Mod is a simple application for modifying PDF documents.Discontinued
The program seems no longer updated. Last release, 0.9.1, was released on March 3, 2011 and only translations have been done on the project since then. It can be still downloaded from the official website.
Foxit PDF Creator is a virtual printer that allows any application with printing capability to generate high-quality PDF documents conveniently and efficiently. Like the popular Foxit Reader, Foxit PDF Creator is designed specially based on the same Foxit core PDF technologies.Discontinued
The official website no longer links to a download of the free Foxit PDF Creator, but only to Foxit's "new" all-in-one PDF solution, PhantomPDF. Therefore, there's no way to download PDF Creator at this time and development has almost certainly stopped in favor of working on PhantomPDF.
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 FeaturesDiscontinued
The program is no longer updated. Latest version, 1.1, released in December 2011, can be still downloaded from the official website.
Ashampoo PDF Pro is the complete solution to manage and edit your PDF documents. The program has everything you need to create, convert, edit, merge and protect your PDFs. Create perfectly sized documents that are readable on any device and use encryption to protect your...
Ashampoo PDF Pro Features