diff --git a/nixos/essential.nix b/nixos/essential.nix
index 337234d1..9c6aaf54 100644
--- a/nixos/essential.nix
+++ b/nixos/essential.nix
@@ -54,6 +54,8 @@
     # Tools
     binutils
     gitFull
+    htop
+    ncdu
     rcm
     silver-searcher
     ripgrep