WEB To PDF - *Save your favorite web content to PDF and view it anytime, anywhere*
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
wkhtmltopdf - wkhtmltopdf is an open source (LGPL) command line tools to render HTML into PDF and various image...
Web ScrapBook - A browser extension that captures the web page faithfully with highly customizable configurations.
Web2PDF - Easily convert web pages to a PDF using this web-based online tool.
SingleFile - Save a complete page into a single HTML file