This document discusses and compares several PDF editor software options: Adobe Acrobat Pro, Foxit PDF Editor, Infix PDF Editor, PDFedit, and PDFescape. Adobe Acrobat Pro allows for rich media editing and secure sharing of PDFs. Foxit PDF Editor allows modifying text, images, and pages within PDFs. Infix PDF Editor reconstructs text from PDFs and enables reflowing text across columns and pages. PDFedit is a free, low-level tool for Unix systems that provides structured access to PDF internals. PDFescape is a free web-based PDF editor that supports editing, forms, and printing of PDFs within a browser.