DocDroid - DocDroid is a service for sharing document and slides.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
SlideShare - Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
DocSlide - DocSlide is an online document and knowledge sharing platform.
Wondershare PDFelement - All-in-one PDF editor