doPDF is described as 'allows you to freely convert documents to PDF files. It installs as a printer driver, enabling you to print from any Windows application' and is a popular app in the Office & Productivity category. There are more than 50 alternatives to doPDF for a variety of platforms, including Windows, Mac, Online / Web-based, Android and Windows Phone. The best alternative is Foxit Reader. It's not free, so if you're looking for a free alternative, you could try PDF24 Creator or PDFCreator. Other great apps like doPDF are Bullzip PDF Printer (Freemium), clawPDF (Free, Open Source), Soda PDF (Paid) and DeftPDF (Free).