Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.
Vector Magic - Easily convert JPG, PNG, BMP, GIF bitmap images to SVG, EPS, PDF, AI, DXF vector images with real full-color tracing, online or using the desktop app!
PDFCreator - PDFCreator converts every printable document to PDF and many other formats. Create professional PDFs with a few clicks and it's free. With many Professional Features: merge documents, send emails and more.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
bioPDF - PDF Writer - Create PDF documents from any Windows application - Supports Citrix MetaFrame, Windows Terminal Server and Windows 10, 8, 7, Vista, XP, Server 2019, 2016, 2012, 2008, 2008 R2, 2003, 2000. Works with 32 and 64 bit systems.
potrace - Open source program that transforms bitmaps into vector graphics.