diff --git a/cranberry/features.nix b/cranberry/features.nix
index 757ab05..2c1339c 100644
--- a/cranberry/features.nix
+++ b/cranberry/features.nix
@@ -5,6 +5,7 @@
       desktop.xorg = true;
       dev = {
         "3d" = true;
+        vm = true;
       };
       extra = true;
     };
diff --git a/hm/common.nix b/hm/common.nix
index 34204d7..4642550 100644
--- a/hm/common.nix
+++ b/hm/common.nix
@@ -28,8 +28,8 @@
       ffmpeg = "ffmpeg -hide_banner";
       ffprobe = "ffprobe -hide_banner";
       ffplay = "ffplay -hide_banner";
-      numbat = "numbat --intro-banner off";
-      insect = "numbat";
+      numbat = "qalc";
+      insect = "qalc";
 
       # Frequent mistakes
       sl = "ls";
@@ -62,6 +62,7 @@
       newestFile = ''${pkgs.findutils}/bin/find -type f -printf '%T+ %p\n' | sort | tail'';
       oldestFile = ''${pkgs.findutils}/bin/find -type f -printf '%T+ %p\n' | sort | head'';
     };
+    tealdeer.enable = true;
     thefuck = {
       enable = true;
       enableBashIntegration = true;
@@ -202,7 +203,6 @@
 
       # Documentation
       man
-      tldr
       neofetch
 
       # remote
@@ -223,7 +223,7 @@
 
       # toolbox
       imagemagick
-      numbat
+      libqalculate
       bc
 
       # hardware