PDF Bob
PDF Bob is a free online PDF editor that can both edit PDF and annotate PDF. One can edit text, add text, highlight, strikeout and underline text in PDF, add comments and pictures, add lines, arrows, rectangles, circles… read more.
12 Alternatives To PDF Bob
Adobe Acrobat DC
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.
Master PDF Editor
Master PDF Editor is complete solution for editing PDF and XPS files.
PDF Reader X
PDF Reader X is a nest in the class PDF reader, PDF annotator and PDF editor for the Mac OS X operating systems.
PDF-XChange Editor
The smallest, fastest, most feature-rich PDF editor/viewer available
PDFZero
PDFZero is a suite of free, cloud-based PDF tools. Unlike the other guys, we offer advanced tools like PDF form mail merging and PDF Zone OCR in addition to the basic tools like PDF merging and splitting… read more.
PDFedit
Free (and open source) editor for manipulating PDF documents. GUI version + commandline interface.
PDFescape
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PDFpen
PDFpen is a PDF editor to add text, images, and signatures to PDFs.
PrimoPDF
Downloaded by 15+ million users. Get Nitro’s PDF converter and quickly convert to PDF from 300+ file types. PrimoPDF — the 100% FREE PDF creator! PrimoPDFDownloaded by 15+ million users.
Smallpdf
PDF document management and conversion suite
Windward Studios
Windward’s solution includes a .NET or Java Engine, a set of code libraries for integrating reporting and document generation.