diff --git a/README.md b/README.md
index bc7bde4..c832eb0 100644
--- a/README.md
+++ b/README.md
@@ -36,3 +36,10 @@ This plugin allows users to switch between different accounts (including remote)
 * Versions 5.x - for Roundcube v1.6+ (PHP 8.1+)
 
 This is a fork of the [original plugin](https://bitbucket.org/BoresExpress/ident_switch) by Boris Gulay, maintained at [Gecka-apps/ident_switch](https://github.com/Gecka-apps/ident_switch).
+
+### Contributors ###
+* **Boris Gulay** - Original developer (2016-2022)
+* **Christian Landvogt** - Special folders support (2019)
+* **Gergely Papp** - Bug fixes (2021)
+* **Mickael** - SMTP compatibility fix (2022)
+* **Laurent Dinclaux - Gecka** - Current maintainer (2026)
diff --git a/composer.json b/composer.json
index 37a1d16..c551bce 100644
--- a/composer.json
+++ b/composer.json
@@ -10,6 +10,21 @@
             "name": "Boris Gulay",
             "email": "boris@gulay.name",
             "role": "Original Developer"
+        },
+        {
+            "name": "Christian Landvogt",
+            "email": "chris@lvgt.de",
+            "role": "Contributor"
+        },
+        {
+            "name": "Gergely Papp",
+            "email": "telirium@gmail.com",
+            "role": "Contributor"
+        },
+        {
+            "name": "Laurent Dinclaux",
+            "email": "laurent@gecka.nc",
+            "role": "Maintainer"
         }
     ],
     "repositories": [
diff --git a/config.inc.php.dist b/config.inc.php.dist
index 6446811..1972a72 100644
--- a/config.inc.php.dist
+++ b/config.inc.php.dist
@@ -1,4 +1,14 @@
 <?php
+/**
+ * ident_switch - Configuration file.
+ *
+ * Copyright (C) 2016 Boris Gulay
+ *
+ * Original code licensed under GPL-3.0+.
+ * New contributions licensed under AGPL-3.0+.
+ *
+ * @url https://github.com/Gecka-apps/ident_switch
+ */
 
 /*
  * Preconfigured settings for different mail domains.
diff --git a/ident_switch-form.js b/ident_switch-form.js
index f1eb4e7..9d0c9b8 100644
--- a/ident_switch-form.js
+++ b/ident_switch-form.js
@@ -1,5 +1,12 @@
-/*
- * This is part of identity_imap plugin
+/**
+ * ident_switch - Identity settings form handler.
+ *
+ * Copyright (C) 2018 Boris Gulay
+ *
+ * Original code licensed under GPL-3.0+.
+ * New contributions licensed under AGPL-3.0+.
+ *
+ * @url https://github.com/Gecka-apps/ident_switch
  */
 
 $(function() {
diff --git a/ident_switch-switch.js b/ident_switch-switch.js
index fd6e5cf..b8f9123 100644
--- a/ident_switch-switch.js
+++ b/ident_switch-switch.js
@@ -1,5 +1,12 @@
-/*
- * This is part of identity_imap plugin
+/**
+ * ident_switch - Account switcher UI component.
+ *
+ * Copyright (C) 2016-2018 Boris Gulay
+ *
+ * Original code licensed under GPL-3.0+.
+ * New contributions licensed under AGPL-3.0+.
+ *
+ * @url https://github.com/Gecka-apps/ident_switch
  */
 
 $(function() {
diff --git a/ident_switch.php b/ident_switch.php
index dd52996..376da37 100644
--- a/ident_switch.php
+++ b/ident_switch.php
@@ -1,12 +1,17 @@
 <?php
 /**
- * Identities IMAP
+ * ident_switch - Roundcube plugin for fast switching between accounts.
  *
- * This plugin allows fast switching between accounts.
+ * Copyright (C) 2016-2022 Boris Gulay
+ * Copyright (C) 2019      Christian Landvogt
+ * Copyright (C) 2021      Gergely Papp
+ * Copyright (C) 2022      Mickael
+ * Copyright (C) 2026      Gecka
  *
- * @version 4.4.2
- * @author Boris Gulay
- * @url 
+ * Original code licensed under GPL-3.0+.
+ * New contributions licensed under AGPL-3.0+.
+ *
+ * @url https://github.com/Gecka-apps/ident_switch
  */
 class ident_switch extends rcube_plugin
 {