WEB To PDF - *Save your favorite web content to PDF and view it anytime, anywhere*
Visily - The easiest and most powerful wireframe software for agile teams.
PDF my URL - PDFmyURL turns any webpage or even complete website into PDF. Use our rest API in PHP, .NET, Ruby, Perl or any other programming language. Or convert webpages or even full websites directly in the browser!
Handoff by Marvel - Automatically turn designs into assets, specs and code
Web2PDF - Easily convert web pages to a PDF using this web-based online tool.
Zeplin - Collaboration app for UI designers & frontend developers