PlutoPDF - A URL to PDF converter wrapped behind a simple API.
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.
Pdf.to - Convert PDF to Word, Excel, JPG, & from. Also compress PDF
Wondershare PDFelement - All-in-one PDF editor
ConvertOnMac - ConvertOnMac is the best free online converter for every Mac user that supports more than 500 different file formats.
Flipping PDF Reader - Replace the standard Adobe PDF Reader with the nice flip book. The Flipping PDF Reader allows to read PDF documents in user friendly interface with flipping book effect.