Bash! I wrote so many scripts. Recently switched over to Zsh.
Python! I like the simplicity. Ecosystem is good. Tools are getting better.
I started Angular a bit. I already worked in web development though without proper training. I would like to be more proficient with reactive front-ends to build nice UIs. It's required for a project for which I need a web UI to manipulate graphs.
projects and hacks
These last days, I've been working a lot on aria2p, a client for aria2, the download utility. You can use it on the command-line or as a library, and there's even a nice HTOP-like interactive interface.
I'm also contributing on Qtile, a tiling window manager written in Python. I really love it!
I'm also waiting for a new feature I worked on (ZSH_XTRACEFD) to be merged in Zsh and released so I can continue writing my Zsh script coverage tool.
I would absolutely love to make friends/contact with people sharing the same interests as I do: efficiency in the terminal, command-line tools for everyday tasks and repositories management, ergonomics. We could show our respective projects to each other and contribute back and forth :p