diff --git a/configuration.nix b/configuration.nix
index eb635d3..8504fd2 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -79,9 +79,9 @@
     ./modules/software.nix
     ./modules/networking.nix
     ./modules/gui.nix
-    ./modules/datasync.nix
+    #./modules/datasync.nix
     ./modules/audio.nix
-    #./modules/home.nix
+    ./modules/development.nix
     ./modules/hardware-configuration.nix
   ];
 
diff --git a/modules/development.nix b/modules/development.nix
new file mode 100644
index 0000000..743861f
--- /dev/null
+++ b/modules/development.nix
@@ -0,0 +1,6 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # Improve nix-shell and direnv integration
+  services.lorri.enable = true;
+}
diff --git a/modules/gui.nix b/modules/gui.nix
index 6148c8d..1d31e62 100644
--- a/modules/gui.nix
+++ b/modules/gui.nix
@@ -26,7 +26,7 @@
       clipman
       grim
       slurp
-      brillo
+      light
       imv
       kanshi
       redshift-wlr
@@ -43,6 +43,9 @@
     '';
   };
    
+  # Backlight
+  programs.light.enable = true;
+
   # Blue light filter
   services.redshift = {
     package = pkgs.redshift-wlr;
@@ -51,7 +54,9 @@
       day = 6500;
       night = 5000;
     };
+    extraOptions = [ "-m wayland" "-l manual"];
   };
+
   location = {
     latitude = 35.89;
     longitude = -5.32;
diff --git a/modules/software.nix b/modules/software.nix
index 262ef63..07a8d06 100644
--- a/modules/software.nix
+++ b/modules/software.nix
@@ -16,6 +16,10 @@
     pandoc
     # Text editors
     neovim
+    emacs
+    ripgrep
+    fd
+    clang
     # Terminals
     tmux
     tmuxp