Metropolis is originally created by Matthias Vogelgesang and is available from https://github.com/matze/mtheme as well as CTAN. More information about the theme, including the design principles, can be found at http://bloerg.net/2014/09/20/a-modern-beamer-theme.html. This version demonstrates the use of a progress bar under the frame titles. See the manual for other customisation options.
The XITS fonts provide a Times-like serif typeface for mathematical and scientific publishing. They provide a version of the STIX fonts enriched with the OpenType MATH extension, making them suitable for high quality mathematical typesetting with XeTeX and LuaTeX. XITS fonts are free and open source.
This is an example usage of bidimoderncv.cls, provided by the bidi package. (The example has been modified to use fonts available on Overleaf.) This example uses the Arabic script, but can be adapted for use other RTL scripts (e.g. Hebrew).