>= 33 years

• Unix
• C
• the shell and commands like cd, ls, find, xarg, cp, mv, ln, df, du

>= 32 years

• vi/vim
• LaTeX
• tar

>= 28 years

• Emacs
• awk, bash
• C++
• Linux

>= 26 years

• Python & Numerical Python
• screen and tmux
• rsync
• ssh
• InkScape

>= 20 years

• git
• literate programming tools

>= 17 years

• Thunderbird & forks
• Debian & Ubuntu
• GNOME

>= 15 years

• MeeGo, Maemo, Sailfish & siblings
• Lisps (Clojure, Guile, Racket)

>= 11 years

• tiling WMs (i3)
• Arch (as second system)

what I use know and will very, very likely still use in 10 years

• Rust
• Guix
• Gollum wiki
• Gemini protocol