PDFzorro - PDFzorro is a web based source for enjoying the professional level of PDF editing.
PDF Buddy - PDF Buddy is a web based source for editing the PDF files.
Nitro Pro - An affordable Adobe Acrobat alternative for editing and creating PDF
FoxPDF PDF Editor Ultimate - FoxPDF PDF Editor Ultimate is an all in PDF creator, editor and Word editor that is expert in perming multiple functions in addition to performing simple creating and editing functions.
PDFpen - PDFpen is a PDF editor to add text, images, and signatures to PDFs.
iSkysoft PDF Editor - ISkysoft PDF Editor has almost all those features to make PDF editing as effortless as in a word editor.