PortableSigner is a signing (with X.509 certificates) program for PDF files. It's platform independent and runs (tested) under Windows (2000, XP, ...), Linux, and macOS.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Qoppa PDF Studio Alternatives
Qoppa PDF Studio is described as 'Create, Convert, Review and Edit PDF Documents on Windows, macOS, and Linux' and is a popular PDF Reader in the office & productivity category. There are more than 100 alternatives to Qoppa PDF Studio for a variety of platforms, including Windows, Mac, Web-based, iPhone and Android apps. The best Qoppa PDF Studio alternative is Okular, which is both free and Open Source. Other great apps like Qoppa PDF Studio are Foxit PDF Reader, PDF-XChange Editor, MuPDF and Evince.
Alternatives list
Pdf995 makes it easy and affordable to create professional-quality documents in the popular PDF file format. Its easy-to-use interface helps you to create PDF files by simply selecting the "print" command from any application, creating documents which can be viewed on...
PDF Conversion Tool allows you to easily and quickly convert almost any file into PDF format and back. Easily converts PDF file to Microsoft Word format (doc, docx) and to almost any images format (png, jpg, gif, etc.).
Cost / License
- Paid
- Proprietary
Platforms
- Windows
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SlimPDF Reader is a high quality PDF viewer that is only 1.5MB in size. Features and benefits:
- Eliminate bloatware and help your computer run faster;
- View any PDF File just like Adobe Reader;
- 100% Free;
- The smallest desktop PDF Reader in the World.
PerfectReader is a powerful PDF Reader & Annotator.
Features
PDF ANNOTATING The long-awaited feature now comes to PerfectReader 2. You now can mark up texts (highlight, underline, strikeout), handwrite with the Ink tool, create Sticky Notes, and make FreeTexts. Annotation.
+3
Free set of online tools for handling PDF files. Convert and edit your PDF files with incredible ease and speed!
Notes Plus is a powerful note-taking tool that has enabled many people to go completely paperless.
+7
Read Right is a free, lightweight PDF viewer for small portables. Documents are automatically rotated and scaled to fullscreen, so they can be read with the laptop held sideways like a book.
XConvert is a free online file convert tool provider. XConvert specialized in converting, compressing, splitting, and combining such as PDF, Microsoft Word, audio, video, and image file types.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
+1
Bookworm is a document reader that allows you to read more than 15 document formats including PDF, EPUB, and MOBI using a versatile, yet simple, and highly accessible interface.
Aiseesoft PDF Merger is a simple and powerful PDF file merger to assist you to combine multiple PDF files into one in a variety of ways and can maintain all contents of source PDF files.
Cost / License
- Free
- Proprietary
Platforms
- Windows
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