Haihaisoft PDF Reader - Haihaisoft PDF Reader is the name of a free to use PDF reader and printer that is extremely simple to launch.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Cool PDF Reader - Just like its name Cool PDF Reader, this small PDF reader is a really a cool PDF reader for viewing, reading and editing PDF files for free.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
eXPert PDF Reader - eXPert PDF Reader is a free to use PDF reader and views for the Windows operating systems.
iTerm2 - A terminal emulator for macOS that does amazing things.