A fully functional, cross-platform (even on the server) IDE that uses 30 MiB of RAM? Yes, please!

The shortage and high price of RAM in 2026 have become a problem that is hard to ignore. I use an IDE for work every day. I also run some VMs on my laptop daily. At the same time my laptop has only 16 GiB of RAM. So the problem with RAM could have been a real issue for me. It could have, but it didn't. Why? Because my IDE uses only 30 MiB of RAM and 1–2% of CPU power! Over the last 2 years I've been using NeoVim as my main text editor and IDE. First, I tried NeoVim on Arch Linux. My old NeoVim config is still available on my GitHub. When I switched to NixOS, I also moved from NeoVim to NixVim. NixVim is essentially NeoVim, but configured in the Nix language and distributed as a Nix flake. Everything I'll say about NixVim also applies to NeoVim. NixVim has tons of cool features that I could talk about for weeks but here are the ones that matter most to me: RAM usage. As I said before, my NixVim uses 30 MiB of RAM. And yes, if I edit complicated Go code, LSP server and other running plug