• Ebook manager: Calibre
  • Kindle PDF optimizer: k2pdfopt
  • PDF Border Cropper Briss
  • CHM File Extractor archmage

  • PDF editing Xournal

  • convert images to PDF

    	sudo apt-get install imagemagick
	convert *.jpg pictures.pdf

  • convert between different formats:

        sudo apt-get install calibre
    ebook-convert xxx.mobi xxx.txt --unsmarten-punctuation