OK so we need free alternative software which have these capability: read pdf, add comments, annotations, or stamps; split or merge pdf, add security, and print everything into pdf.
PDF-XChange Viewer + doPDF + PDFTK = Adobe Acrobat Professional
These are the software we need. It’s lightweight, freeware, and available in portable version.
1. PDF-XChange Viewer (Info | Portable)
This is a PDF reader and editor. You can add comments, annotations, stamps, and dozen of professional features. Only 4MB (15MB after extract) download!
2. doPDF (info)
doPDF is a free PDF converter for both personal and commercial use. Using doPDF you can create PDF files by selecting the “Print” command from virtually any application.
3. PDFTK Builder (info | portable)
It is a GUI frontend to the command-line based PDFTK. It supports the following operations on PDF files: merge, split, background, decrypt and password protection.
