It is also an open source, community driven project that is supported by Mozilla labs. It is a general-purpose web based PDF viewer built with HTML5. To install Foxit Reader on Linux systems, follow below instructions: $ cd /tmp Add/verify digital signatures and many more.Support for scanning documents into PDF.It is features-rich with features including: Suggested Read: 10 Best Markdown Editors for Linux The latest version as of this writing is Foxit reader 7 which offers some security features that protect against vulnerabilities. It is a cross platform, small and fast secure PDF reader. To install Evince PDF reader in Linux, use: $ sudo apt-get install evince It supports document formats such as PDF, PDF, Postscript, tiff, XPS, djvu, dvi, plus many more. It is a lightweight document viewer which comes as the default on Gnome desktop environment. To install Okular PDF reader in Linux, use apt or yum to get it as shown: $ sudo apt-get install okular