diff --git a/.gitmodules b/.gitmodules
index 92cb514..0e6ce4f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -3,4 +3,11 @@
 ## VsCodium
 [submodule "20-editors/vscodium"]
 	path = 20-editors/vscodium
-	url = gitea@git.dotya.ml:RiXotStudio/std-vscodium.git
\ No newline at end of file
+	url = gitea@git.dotya.ml:RiXotStudio/std-vscodium.git
+
+# Environments
+## Standard Nix
+[submodule "25-env/nix"]
+	path = 25-env/nix
+	url = gitea@git.dotya.ml:RiXotStudio/std-nixenv.git
+	branch = central
diff --git a/25-env/nix b/25-env/nix
new file mode 160000
index 0000000..543eede
--- /dev/null
+++ b/25-env/nix
@@ -0,0 +1 @@
+Subproject commit 543eedebef407a76ae0071ab0e977218b4d5f07b