Pierre-Étienne’s interest in computing began with the functional programming language OCaml, created by Xavier Leroy. Before OCaml, Pierre-Étienne explains, “everyone thought functional programming was doomed to be extremely slow.”Pijul is a free, open-source distributed version control system. You can get started here. Want a GitHub-like interface? Find it here.Read the article that led to this conversation: Beyond Git: The other version control systems developers use. Pierre-Étienne is currently working on a new project with the creators of the open-source game engine Godot. We hosted Godot cofounder and lead developer Juan Linietsky on the podcast a few months back; listen here.Nix is a package management and system configuration tool. Learn how it works or explore the NixOS community. Connect with Pierre-Étienne on LinkedIn.Congrats to Lifeboat badge winner Rachit for answering Passing objects between fragments.