* xclip     https://github.com/astrand/xclip* stardict  http://www.huzheng.org/stardict/* rofi      https://github.com/DaveDavenport/rofi* prince    https://www.princexml.com/* unoconv   https://github.com/dagwieers/unoconv* texi2html http://www.nongnu.org/texi2html/* ddjvu     http://djvu.sourceforge.net/doc/man/ddjvu.html* pandoc    http://pandoc.org