diff --git a/public/app-developpement-haskell.nix b/public/app-developpement-haskell.nix
new file mode 100644
index 0000000..ed672ce
--- /dev/null
+++ b/public/app-developpement-haskell.nix
@@ -0,0 +1,20 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib) mkIf mkMerge mkThenElse;
+  cfg = config.r6d.config-generator;
+  computers = config.r6d.computers;
+  profiles = config.r6d.profiles;
+in
+
+mkIf cfg.developpement-haskell {
+
+  # Paquets
+  environment.systemPackages = with pkgs; [
+    # Haskell
+    cabal-install       # fournis cabal
+    cabal2nix           # convertir les .cabal en .nix
+    ghc                 # pour les appels depuis les scripts
+    stack               # pour les paquets en LTS de stackage
+  ];
+}
diff --git a/public/app-developpement-java.nix b/public/app-developpement-java.nix
new file mode 100644
index 0000000..c4a5ebd
--- /dev/null
+++ b/public/app-developpement-java.nix
@@ -0,0 +1,20 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib) mkIf mkMerge mkThenElse;
+  cfg = config.r6d.config-generator;
+  computers = config.r6d.computers;
+  profiles = config.r6d.profiles;
+in
+
+mkIf cfg.developpement-java {
+
+  # Paquets
+  environment.systemPackages = with pkgs; [
+    # IDE
+    idea.idea-community # IntelliJ IDEA
+
+    # Java
+    maven
+  ];
+}
diff --git a/public/app-developpement-rust.nix b/public/app-developpement-rust.nix
new file mode 100644
index 0000000..0ff6ea1
--- /dev/null
+++ b/public/app-developpement-rust.nix
@@ -0,0 +1,18 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib) mkIf mkMerge mkThenElse;
+  cfg = config.r6d.config-generator;
+  computers = config.r6d.computers;
+  profiles = config.r6d.profiles;
+in
+
+mkIf cfg.developpement-rust {
+
+  # Paquets
+  environment.systemPackages = with pkgs; [
+    # Rust
+    cargo               # récupération des dépendances + compilation projet rust
+    rustc               # pour les appels depuis les scripts
+  ];
+}