diff --git a/home/default.nix b/home/default.nix
index d1abc63..3607cdd 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -10,9 +10,10 @@
     ../programs/shell/default.nix
     ../programs/emacs/default.nix
     ../programs/firefox/default.nix
-    ../programs/prog/default.nix
     ../programs/cava/default.nix
     ../programs/obs/default.nix
+    ../programs/python/default.nix
+    ../programs/lua/default.nix
     # Services
     ../services/email/work.nix # TODO combine again at some point
     ../services/password-store/default.nix
diff --git a/programs/emacs/default.nix b/programs/emacs/default.nix
index 068cf67..ad430ce 100644
--- a/programs/emacs/default.nix
+++ b/programs/emacs/default.nix
@@ -78,8 +78,8 @@
         treesit-auto
         flymake-popon
         flymake-collection
-        flymake-eslint
         flymake-shellcheck
+        flymake-yamllint
         apheleia
         direnv
         rainbow-delimiters
@@ -165,5 +165,25 @@
     (texlive.combine {
       inherit (pkgs.texlive) scheme-medium dvisvgm dvipng wrapfig amsmath ulem hyperref capt-of;
     })
+
+    # Development tools
+    # Python is a special case, installed separately
+    ## Language servers
+    nil
+    fortls
+    lua-language-server
+    nodePackages.bash-language-server
+
+    ## Linters
+    shellcheck
+    yamllint
+
+    ## Formatters
+    alejandra
+    shfmt
+    black
+    isort
+    stylua
+    nodePackages.prettier
   ];
 }
diff --git a/programs/lua/default.nix b/programs/lua/default.nix
new file mode 100644
index 0000000..32fb3f6
--- /dev/null
+++ b/programs/lua/default.nix
@@ -0,0 +1,8 @@
+{pkgs, ...}: {
+  home.packages = with pkgs; [
+    (lua.withPackages (ps: [
+      (ps.callPackage ./luarocks/scilua.nix {})
+      (ps.callPackage ./luarocks/graph-toolkit.nix {})
+    ]))
+  ];
+}
diff --git a/programs/prog/luarocks/graph-toolkit.nix b/programs/lua/luarocks/graph-toolkit.nix
similarity index 100%
rename from programs/prog/luarocks/graph-toolkit.nix
rename to programs/lua/luarocks/graph-toolkit.nix
diff --git a/programs/prog/luarocks/scilua.nix b/programs/lua/luarocks/scilua.nix
similarity index 100%
rename from programs/prog/luarocks/scilua.nix
rename to programs/lua/luarocks/scilua.nix
diff --git a/programs/prog/luarocks/xsys.nix b/programs/lua/luarocks/xsys.nix
similarity index 100%
rename from programs/prog/luarocks/xsys.nix
rename to programs/lua/luarocks/xsys.nix
diff --git a/programs/prog/default.nix b/programs/prog/default.nix
deleted file mode 100644
index 399906c..0000000
--- a/programs/prog/default.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-{pkgs, ...}: {
-  xdg.configFile = {
-    "ruff/pyproject.toml".source = ./ruff.toml;
-    "pypoetry/config.toml".source = ./pypoetry.toml;
-  };
-  home.packages = with pkgs; [
-    # Nix
-    nil
-    alejandra
-
-    # Shell
-    shfmt
-    shellcheck
-    nodePackages.prettier
-
-    # Python
-    (python3.withPackages
-      (ps: with ps; [python-lsp-server flake8 mypy]))
-    black
-    isort
-
-    # FORTRAN
-    fortls
-  ];
-}
diff --git a/programs/python/default.nix b/programs/python/default.nix
new file mode 100644
index 0000000..b22fc50
--- /dev/null
+++ b/programs/python/default.nix
@@ -0,0 +1,20 @@
+{pkgs, ...}: {
+  xdg.configFile = {
+    "ruff/pyproject.toml".source = ./ruff.toml;
+    "pypoetry/config.toml".source = ./pypoetry.toml;
+  };
+  home.packages = with pkgs; [
+    poetry
+    (python3.withPackages
+      (ps:
+        with ps; [
+          python-lsp-server
+          flake8
+          mypy
+          numpy
+          scipy
+          xarray
+          matplotlib
+        ]))
+  ];
+}
diff --git a/programs/prog/pypoetry.toml b/programs/python/pypoetry.toml
similarity index 100%
rename from programs/prog/pypoetry.toml
rename to programs/python/pypoetry.toml
diff --git a/programs/prog/ruff.toml b/programs/python/ruff.toml
similarity index 100%
rename from programs/prog/ruff.toml
rename to programs/python/ruff.toml