diff --git a/docker/php/config.php b/docker/php/config.php
index 059d377..8d307c8 100644
--- a/docker/php/config.php
+++ b/docker/php/config.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 // Impostazioni Database
 if (!defined('DB_HOST')) {
     define('DB_HOST', 'db');
diff --git a/htdocs/admin/classes.php b/htdocs/admin/classes.php
index c386c6c..56527cf 100644
--- a/htdocs/admin/classes.php
+++ b/htdocs/admin/classes.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 session_start();
 if (!isset($_SESSION['admin'])) { header("Location: login.php"); exit; }
 include("../lib/db.php");
diff --git a/htdocs/admin/importer.php b/htdocs/admin/importer.php
index 45480b0..b55fbb3 100644
--- a/htdocs/admin/importer.php
+++ b/htdocs/admin/importer.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 session_start();
 if (!isset($_SESSION['admin'])) { header("Location: login.php"); exit; }
 include("../lib/db.php");
diff --git a/htdocs/admin/index.php b/htdocs/admin/index.php
index d92825b..dd3ab54 100644
--- a/htdocs/admin/index.php
+++ b/htdocs/admin/index.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 include_once __DIR__ . '/../config/config.php';
 session_start();
 if (!isset($_SESSION['admin'])) {
diff --git a/htdocs/admin/login.php b/htdocs/admin/login.php
index 551d8ea..d018ec6 100644
--- a/htdocs/admin/login.php
+++ b/htdocs/admin/login.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 use Jumbojett\OpenIDConnectClient;
 require 'vendor/autoload.php';
 session_start();
diff --git a/htdocs/admin/logout.php b/htdocs/admin/logout.php
index 9631ce5..8062201 100644
--- a/htdocs/admin/logout.php
+++ b/htdocs/admin/logout.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 include("../config/config.php");
 session_start();
 session_destroy();
diff --git a/htdocs/admin/password.php b/htdocs/admin/password.php
index 635c797..c0e4e48 100644
--- a/htdocs/admin/password.php
+++ b/htdocs/admin/password.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 session_start();
 include("../lib/db.php");
 
diff --git a/htdocs/admin/style.css b/htdocs/admin/style.css
index ff6d969..72f102f 100644
--- a/htdocs/admin/style.css
+++ b/htdocs/admin/style.css
@@ -1,3 +1,19 @@
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 /* ===== BASE ===== */
 body {
   font-family: Arial, sans-serif;
diff --git a/htdocs/admin/subjects.php b/htdocs/admin/subjects.php
index c910b1e..cb12498 100644
--- a/htdocs/admin/subjects.php
+++ b/htdocs/admin/subjects.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 session_start();
 if (!isset($_SESSION['admin'])) { header("Location: login.php"); exit; }
 include("../lib/db.php");
diff --git a/htdocs/admin/timetable.php b/htdocs/admin/timetable.php
index ae2bd64..f5c88ee 100644
--- a/htdocs/admin/timetable.php
+++ b/htdocs/admin/timetable.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 session_start();
 if (!isset($_SESSION['admin'])) { header("Location: login.php"); exit; }
 include("../lib/db.php");
diff --git a/htdocs/admin/users.php b/htdocs/admin/users.php
index ce4367a..3049f7d 100644
--- a/htdocs/admin/users.php
+++ b/htdocs/admin/users.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 session_start();
 include("../lib/db.php");
 
diff --git a/htdocs/config/config.php b/htdocs/config/config.php
index c6fba37..630d038 100644
--- a/htdocs/config/config.php
+++ b/htdocs/config/config.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 // Impostazioni Database
 if (!defined('DB_HOST')) {
     define('DB_HOST', '<MYSQL_HOST>'); // Host del database (ad esempio localhost)
diff --git a/htdocs/css/home.css b/htdocs/css/home.css
index e590ec1..8482fc7 100644
--- a/htdocs/css/home.css
+++ b/htdocs/css/home.css
@@ -1,3 +1,19 @@
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 /* Base styles */
 body {
     font-family: Arial, sans-serif;
diff --git a/htdocs/css/navbar.css b/htdocs/css/navbar.css
index 31da9dc..ad4017b 100644
--- a/htdocs/css/navbar.css
+++ b/htdocs/css/navbar.css
@@ -1,3 +1,19 @@
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 /* Navbar */
 .navbar {
     background-color: #2c3e50;
diff --git a/htdocs/css/timetable.css b/htdocs/css/timetable.css
index f4003b1..6b3c3e9 100644
--- a/htdocs/css/timetable.css
+++ b/htdocs/css/timetable.css
@@ -1,3 +1,19 @@
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 /* Base styles */
 body {
     font-family: Arial, sans-serif;
diff --git a/htdocs/docenti.php b/htdocs/docenti.php
index 5d0f392..a463a05 100644
--- a/htdocs/docenti.php
+++ b/htdocs/docenti.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 include("lib/db.php");
 $days = ["Lunedì","Martedì","Mercoledì","Giovedì","Venerdì","Sabato"];
 $hours = [
diff --git a/htdocs/index.php b/htdocs/index.php
index 8598061..d39df48 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 include("lib/db.php");
 ?>
 <!DOCTYPE html>
diff --git a/htdocs/laboratori.php b/htdocs/laboratori.php
index 4f7e205..cc80544 100644
--- a/htdocs/laboratori.php
+++ b/htdocs/laboratori.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 include("lib/db.php");
 $days = ["Lunedì","Martedì","Mercoledì","Giovedì","Venerdì","Sabato"];
 $hours = [
diff --git a/htdocs/lib/db.php b/htdocs/lib/db.php
index c3f1bc0..fdabbcc 100644
--- a/htdocs/lib/db.php
+++ b/htdocs/lib/db.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 include_once __DIR__ . '/../config/config.php';
 $host = DB_HOST;
 $user = DB_USER;
diff --git a/htdocs/studenti.php b/htdocs/studenti.php
index b30cf14..1828575 100644
--- a/htdocs/studenti.php
+++ b/htdocs/studenti.php
@@ -1,4 +1,20 @@
 <?php
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 include("lib/db.php");  // FIX: Decommentato
 $class_id = intval($_GET['class_id']);
 $class = $conn->query("SELECT * FROM classes WHERE id=$class_id")->fetch_assoc();
diff --git a/utils/generate_hash.php b/utils/generate_hash.php
index fe4d037..9882d5f 100644
--- a/utils/generate_hash.php
+++ b/utils/generate_hash.php
@@ -1,8 +1,20 @@
 <?php
-// Hashed Password Generator
-// Copyright (C) 2025 EmmeV. All rights reserved.
-// Usage: php generate_hash.php password_to_hash
-// Example: php generate_hash.php admin
+/*
+Orario Scuola, Copyright (C) 2025 EmmeV.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
 
 if ($argc > 1) {
     $primoArgomento = $argv[1];