Gah, search results for PDF tools seem to be SEO'd to hell. Why are payware tools able to drown out just-as-capable freeware tools?

Free or open-source tools

• many tools in one package
  • ghostscript
    • gs-common.deb
    • programs I use include: pstotext/ps2ascii
  • pdftools
  • PDFill PDF Tools
  • multivalent tools
• Distiller alternatives (virtual print drivers used to create .pdf files)
  • Bullzip PDF printer (PCMag review)
  • PrimoPDF
  • CutePDF Writer
  • PDFCreator
  • TinyPDF
  • MagicPDF
  • PDF redirect
  • doPDF
  • CC PDF conveter
• alternative viewers
  • foxit reader (1 year trial period)
  • sumatraPDF
  • xpdf
  • Cool PDF Reader
  • more
  • more
• converting pdf ↔ html/txt/etcetc
  • A-PDF Text Extractor
  • ghostscript — does just about everything:
    • pstotext/ps2ascii — PDF→ASCII
    • ps2pdf/ps2ps2 — Postscript↔PDF
  • pdftohtml
  • pdf ↔ other vector formats
    • pstoedit
• extract images from a PDF
  • xpdf contains a utility called pdfimages
  • SomePDF.com's "PDF Images Extract"
  • Sobolsoft.com's "PDF Image Extract Software"
• tweakpdf
• pdf split and merge
• other lists similar to this one [1] [2] [3] [4] [5]