diff --git a/classes/output/renderer.php b/classes/output/renderer.php
index d608915..584a972 100644
--- a/classes/output/renderer.php
+++ b/classes/output/renderer.php
@@ -88,7 +88,7 @@ public function render_tab_viewtable() {
                 $result_sitesplugins = $DB->get_records_sql($sql_sitesplugins);
 
                 // Get all plugin records and the installation counts from DB ordered by installation count
-                $sql_plugins = 'SELECT pl.id, pl.frankenstyle, pl.title, count(pl.frankenstyle)
+                $sql_plugins = 'SELECT pl.id, pl.frankenstyle, pl.title, pl.pluginurl, count(pl.frankenstyle)
                     FROM {local_sitestats_plugins} AS pl
                     JOIN {local_sitestats_plugins_site} AS jointable
                     ON pl.id = jointable.plugin
@@ -149,9 +149,14 @@ public function render_tab_viewtable() {
                         WHERE jointable.plugin = ' . $plugin->id;
                     $result_pluginsites = $DB->get_records_sql($sql_pluginsites);
                     // Table row for plugin
+                    $pluginlink = 'https://moodle.org/plugins/view/' . $plugin->frankenstyle;
+                    if (!empty($plugin->pluginurl)) {
+                        $pluginlink = $plugin->pluginurl;
+                    }
+
                     $output .= \html_writer::start_tag('tr');
                     $output .= \html_writer::start_tag('td');
-                    $output .= \html_writer::link('https://moodle.org/plugins/view/' . $plugin->frankenstyle, $plugin->title);
+                    $output .= \html_writer::link($pluginlink, $plugin->title, ['target' => '_blank']);
                     $output .= \html_writer::empty_tag('br');
                     $output .= '(' . $plugin->frankenstyle . ')';
                     $output .= \html_writer::end_tag('td');
diff --git a/classes/task/crawl.php b/classes/task/crawl.php
index 3ec343c..ea74893 100644
--- a/classes/task/crawl.php
+++ b/classes/task/crawl.php
@@ -19,6 +19,7 @@
  *
  * @package     local_sitestats
  * @copyright   2019 Alexander Bias, Ulm University <alexander.bias@uni-ulm.de>
+ * @author      2021 Adrian Perez, Fernfachhochschule Schweiz (FFHS) <adrian.perez@ffhs.ch>
  * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
@@ -185,6 +186,26 @@ public function execute()
                 $blacklistedplugins[] = $plugin;
             }
 
+            // Gather list of custom plugins.
+            $custompluginsraw = explode("\n", $config->plugincustomlist);
+            foreach ($custompluginsraw as $plugin) {
+                // Trim setting lines.
+                $plugin = trim($plugin);
+
+                // Skip empty lines.
+                if (strlen($plugin) == 0) {
+                    continue;
+                }
+
+                $plugin = explode('|', $plugin);
+
+                $customplugin['name'] = $plugin[1];
+                $customplugin['component'] = $plugin[0];
+                $customplugin['pluginurl'] = $plugin[2];
+
+                $pluginjson['plugins'][] = $customplugin;
+            }
+
             // Iterate over all plugins in the plugin list.
             foreach ($pluginjson['plugins'] as $plugin_info) {
                 // Generate plugin path.
@@ -192,6 +213,7 @@ public function execute()
                 $plugin_title = clean_param($plugin_info['name'], PARAM_RAW_TRIMMED);
                 $plugin_component = substr($plugin_frankenstyle, 0, strpos($plugin_frankenstyle, '_'));
                 $plugin_name = substr($plugin_frankenstyle, strpos($plugin_frankenstyle, '_') + 1);
+                $plugin_url = isset($plugin_info['pluginurl']) ? clean_param($plugin_info['pluginurl'], PARAM_URL) : '';
 
                 // Skip plugin if it is blacklisted in our configuration.
                 if (in_array($plugin_frankenstyle, $blacklistedplugins)) {
@@ -215,6 +237,7 @@ public function execute()
                     $plugin_record->title = $plugin_title;
                     $plugin_record->frankenstyle = $plugin_frankenstyle;
                     $plugin_record->pluginpath = $plugin_path;
+                    $plugin_record->pluginurl = $plugin_url;
                     $plugin_record->blacklisted = $plugin_blacklisted;
                     $ret = $DB->insert_record('local_sitestats_plugins', $plugin_record, false);
                     if ($ret === true) {
diff --git a/db/install.xml b/db/install.xml
index 9ffd64e..dc4dfbc 100644
--- a/db/install.xml
+++ b/db/install.xml
@@ -26,6 +26,7 @@
         <FIELD NAME="title" TYPE="char" LENGTH="200" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="frankenstyle" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="pluginpath" TYPE="char" LENGTH="200" NOTNULL="true" SEQUENCE="false"/>
+        <FIELD NAME="pluginurl" TYPE="char" LENGTH="200" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="blacklisted" TYPE="char" LENGTH="1" NOTNULL="true" SEQUENCE="false"/>
       </FIELDS>
       <KEYS>
diff --git a/db/upgrade.php b/db/upgrade.php
new file mode 100644
index 0000000..b5763d8
--- /dev/null
+++ b/db/upgrade.php
@@ -0,0 +1,53 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * This file keeps track of upgrades to the "Site statistics" plugin
+ *
+ * @package    local_sitestats
+ * @copyright  2019 Alexander Bias, Ulm University <alexander.bias@uni-ulm.de>
+ * @author     2021 Adrian Perez, Fernfachhochschule Schweiz (FFHS) <adrian.perez@ffhs.ch>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Upgrade the sitestats plugin.
+ *
+ * @param int $oldversion
+ * @return bool
+ */
+function xmldb_local_sitestats_upgrade($oldversion) {
+    global $DB;
+
+    $dbman = $DB->get_manager();
+
+    if ($oldversion < 2019080107) {
+        // Define field pluginurl to be added to local_sitestats_plugins.
+        $table = new xmldb_table('local_sitestats_plugins');
+        $field = new xmldb_field('pluginurl', XMLDB_TYPE_CHAR, '200', null, XMLDB_NOTNULL, null, null, 'pluginpath');
+
+        // Conditionally launch add field pluginurl.
+        if (!$dbman->field_exists($table, $field)) {
+            $dbman->add_field($table, $field);
+        }
+        // Sitestats savepoint reached.
+        upgrade_plugin_savepoint(true, 2019080107, 'local', 'sitestats');
+    }
+
+    return true;
+}
diff --git a/lang/en/local_sitestats.php b/lang/en/local_sitestats.php
index a16d448..16454e0 100644
--- a/lang/en/local_sitestats.php
+++ b/lang/en/local_sitestats.php
@@ -93,6 +93,8 @@
 $string['setting_crawlsites_desc'] = 'This site list will be crawled.<br />Please add one Moodle site URL per line. If you want to provide a title for the Moodle site, you can optionally add it after the URL and a pipe character.';
 $string['setting_pluginblacklist'] = 'Moodle plugin blacklist';
 $string['setting_pluginblacklist_desc'] = 'This plugin list will be ignored when crawling the sites for plugins, especially because they have been published in the Moodle plugin repo but are shipped with Moodle core in recent versions.<br />Please add one plugin frankenstyle name per line.';
+$string['setting_plugincustomlist'] = 'Moodle plugin customlist';
+$string['setting_plugincustomlist_desc'] = 'This plugin list will be added to the Moodle plugin list.<br />Please add one plugin per line. Please provide the frankenstyle, title and URL for the plugin. Please separate them by a pipe character, e.g. "local_sitestats|Site statistics|https://github.com/moodleuulm/moodle-local_sitestats".';
 $string['setting_pluginchartnumber'] = 'Number of plugins in chart';
 $string['setting_pluginchartnumber_desc'] = 'The number of plugins which will be shown as top used plugins after crawling for plugins.';
 $string['setting_plugincrawlagaindelay'] = 'Crawl again delay';
diff --git a/settings.php b/settings.php
index f4efcdb..c3793e5 100644
--- a/settings.php
+++ b/settings.php
@@ -19,6 +19,7 @@
  *
  * @package     local_sitestats
  * @copyright   2019 Alexander Bias, Ulm University <alexander.bias@uni-ulm.de>
+ * @author      2021 Adrian Perez, Fernfachhochschule Schweiz (FFHS) <adrian.perez@ffhs.ch>
  * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
@@ -32,42 +33,42 @@
 
         // Create crawl sites heading.
         $page->add(new admin_setting_heading('local_sitestats/crawlsitesheading',
-                get_string('setting_crawlsites', 'local_sitestats', null, true),
-                ''));
+            get_string('setting_crawlsites', 'local_sitestats', null, true),
+            ''));
 
         // Create crawl sites widget.
         $page->add(new admin_setting_configtextarea('local_sitestats/crawlsites',
-                get_string('setting_crawlsites', 'local_sitestats', null, true),
-                get_string('setting_crawlsites_desc', 'local_sitestats', null, true),
-                'https://sandbox.moodledemo.net|Moodle demo instance
+            get_string('setting_crawlsites', 'local_sitestats', null, true),
+            get_string('setting_crawlsites_desc', 'local_sitestats', null, true),
+            'https://sandbox.moodledemo.net|Moodle demo instance
 https://qa.moodledemo.net|Moodle QA instance',
-                PARAM_RAW));
+            PARAM_RAW));
 
         // Create crawl plugins heading.
         $page->add(new admin_setting_heading('local_sitestats/crawlpluginsheading',
-                get_string('setting_crawlplugins', 'local_sitestats', null, true),
-                ''));
+            get_string('setting_crawlplugins', 'local_sitestats', null, true),
+            ''));
 
         // Create enable crawl plugins widget.
         $page->add(new admin_setting_configcheckbox('local_sitestats/crawlplugins',
-                get_string('setting_crawlplugins', 'local_sitestats', null, true),
-                get_string('setting_crawlplugins_desc', 'local_sitestats', null, true),
-                true));
+            get_string('setting_crawlplugins', 'local_sitestats', null, true),
+            get_string('setting_crawlplugins_desc', 'local_sitestats', null, true),
+            true));
 
         // Create crawl plugins cURL timeout widget.
         $page->add(new admin_setting_configtext('local_sitestats/plugincurltimeout',
-                get_string('setting_plugincurltimeout', 'local_sitestats', null, true),
-                get_string('setting_plugincurltimeout_desc', 'local_sitestats', null, true),
-                10));
+            get_string('setting_plugincurltimeout', 'local_sitestats', null, true),
+            get_string('setting_plugincurltimeout_desc', 'local_sitestats', null, true),
+            10));
         $page->hide_if('local_sitestats/plugincurltimeout',
             'local_sitestats/crawlplugins', 'notchecked');
 
         // Create pluginlist widget.
         $page->add(new admin_setting_configtext('local_sitestats/pluginlist',
-                get_string('setting_pluginlist', 'local_sitestats', null, true),
-                get_string('setting_pluginlist_desc', 'local_sitestats', null, true),
-                'https://download.moodle.org/api/1.3/pluglist.php',
-                PARAM_URL));
+            get_string('setting_pluginlist', 'local_sitestats', null, true),
+            get_string('setting_pluginlist_desc', 'local_sitestats', null, true),
+            'https://download.moodle.org/api/1.3/pluglist.php',
+            PARAM_URL));
         $page->hide_if('local_sitestats/pluginlist',
             'local_sitestats/crawlplugins', 'notchecked');
 
@@ -98,6 +99,15 @@
         $page->hide_if('local_sitestats/pluginblacklist',
             'local_sitestats/crawlplugins', 'notchecked');
 
+        // Create custom plugin widget.
+        $page->add(new admin_setting_configtextarea('local_sitestats/plugincustomlist',
+            get_string('setting_plugincustomlist', 'local_sitestats', null, true),
+            get_string('setting_plugincustomlist_desc', 'local_sitestats', null, true),
+            '',
+            PARAM_RAW));
+        $page->hide_if('local_sitestats/plugincustomlist',
+            'local_sitestats/crawlplugins');
+
         // Create crawl plugins crawl again delay widget.
         $page->add(new admin_setting_configtext('local_sitestats/plugincrawlagaindelay',
             get_string('setting_plugincrawlagaindelay', 'local_sitestats', null, true),
diff --git a/version.php b/version.php
index a4d7481..3f5e317 100644
--- a/version.php
+++ b/version.php
@@ -25,7 +25,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'local_sitestats';
-$plugin->version = 2019080106;
+$plugin->version = 2019080107;
 $plugin->release = 'v3.7-r1';
 $plugin->requires = 2019052000;
 $plugin->maturity = MATURITY_RC;