Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Rust - A safe, concurrent, practical language
awesome - A dynamic window manager for the X Window System developed in the C and Lua programming languages.
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
dwm - dwm is a dynamic window manager for X. It manages windows in tiled, monocle and floating layouts. All of the layouts can be applied dynamically, optimising the environment for the application in use and the task performed.