- Font: https://overpassfont.org
- Icons: https://remixicon.com/
- IRC: https://tools.suckless.org/ii
- Bar: https://github.com/LemonBoy/bar
- Editor: https://neovim.io
- Notifications: https://dunst-project.org/
I'd give Solus (Budgie) a try. It's really well put together. I've tried nearly all DEs and I think it's the best to return to Linux.
I guess if you go to a irc linux help channel they will sort it out quickly with you.