diff --git a/Database.php b/Database.php
new file mode 100644
index 0000000..93b54c0
--- /dev/null
+++ b/Database.php
@@ -0,0 +1,69 @@
+<?php
+
+class Database {
+	private $time = 0;
+	private $file = '';
+	private $data = array();
+	function __construct(string $file) {
+		$this->time = time();
+		$this->file = $file;
+	}
+	function sort() : bool {
+		return usort($this->data, array($this, 'cmp'));
+	}
+	function load() : bool {
+		if ($json = file_get_contents($this->file)) {
+			if ($arr = json_decode($json, true)) {
+				foreach ($arr as $obj) {
+					array_push($this->data, new PatchObject($obj));
+				}
+				return true;
+			}
+		}
+		return false;
+	}
+	function save() : bool {
+		$arr = array();
+		foreach ($this->data as $obj) {
+			array_push($arr, $obj->toArray());
+		}
+		if ($json = json_encode($arr, JSON_PRETTY_PRINT)) {
+			if (file_put_contents($this->file, $json)) {
+				return true;
+			}
+		}
+		return false;
+	}
+	function time() : int {
+		return $this->time;
+	}
+	function count() : int {
+		return count($this->data);
+	}
+	function get(int $n) : PatchObject {
+		return $this->data[$n];
+	}
+	function find(string $id) : PatchObject {
+		foreach ($this->data as $obj) {
+			if (strcmp($obj->GetId(), $id) == 0) {
+				return $obj;
+			}
+		}
+		return new PatchObject();
+	}
+	function addOrUpdate(PatchObject $patch) {
+		$patch->SetTimestamp($this->time);
+		foreach ($this->data as &$obj) {
+			if (strcmp($obj->GetId(), $patch->GetId()) == 0) {
+				$obj = $patch;
+				return;
+			}
+		}
+		array_push($this->data, $patch);
+	}
+	private function cmp(PatchObject $a, PatchObject $b) : int {
+		return strcasecmp($a->getProduct(), $b->getProduct());
+	}
+}
+
+?>
diff --git a/PatchBase.php b/PatchBase.php
new file mode 100644
index 0000000..3cc0cae
--- /dev/null
+++ b/PatchBase.php
@@ -0,0 +1,78 @@
+<?php
+
+abstract class PatchBase {
+	protected $patch;
+	protected $data = '';
+	function __construct(string $vendor, string $product, string $url) {
+		$this->patch = new PatchObject(array('id' => $this->id(), 'vendor' => $vendor, 'product' => $product, 'url' => $url));
+	}
+	function __toString() : string {
+		return (string)$this->patch;
+	}
+	function id() : string {
+		return get_class($this);
+	}
+	function getPatch() : PatchObject {
+		return $this->patch;
+	}
+	abstract function check() : bool;
+	protected function fetch(string $url, bool $json = false) : bool {
+		$opt = array('http' => array('user_agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:1.0) Gecko/20100101 Patchbot/1.0'));
+		$ctx = stream_context_create($opt);
+		if ($str = file_get_contents($url, false, $ctx)) {
+			$this->data = $str;
+			if ($json) {
+				if (!($this->data = json_decode($str, true)))
+					return false;
+			}
+			return true;
+		}
+		return false;
+	}
+	protected function parse(string $re) : bool {
+		if ($str = $this->regex_str($re)) {
+			$this->patch->SetVersion($str);
+			return true;
+		}
+		return false;
+	}
+	protected function parse_json(string $key) : bool {
+		$flat = iterator_to_array(new \RecursiveIteratorIterator(new \RecursiveArrayIterator($this->data)));
+		if (!empty($flat[$key])) {
+			$this->patch->SetVersion($flat[$key]);
+			return true;
+		}
+		return false;
+	}
+	protected function array_extract(string $search) {
+		foreach ($this->data as $val) {
+			if (array_search($search, array_values($val)))
+				$this->data = $val;
+		}
+	}
+	protected function str_crop(string $head = '', string $tail = '') {
+		if (!empty($head)) {
+			if ($str = strstr($this->data, $head))
+				$this->data = $str;
+		}
+		if (!empty($tail)) {
+			if ($str = strstr($this->data, $tail, true))
+				$this->data = $str;
+		}
+	}
+	private function regex(string $pattern) {
+		if (!preg_match($pattern, $this->data, $m))
+			return false;
+		// suppress full pattern match
+		unset($m[0]);
+		return $m;
+	}
+	private function regex_str(string $pattern) {
+		$m = $this->regex($pattern);
+		if ($m)
+			return $m[1];
+		return false;
+	}
+}
+
+?>
diff --git a/PatchCollector.php b/PatchCollector.php
new file mode 100644
index 0000000..ace729a
--- /dev/null
+++ b/PatchCollector.php
@@ -0,0 +1,39 @@
+<?php
+
+require('PatchObject.php');
+require('PatchBase.php');
+require('Database.php');
+
+$list = array();
+foreach (new \DirectoryIterator(__DIR__ . '/modules') as $file) {
+	if ($file->isFile() && $file->getExtension() == 'php') {
+		if ((include __DIR__ . '/modules/' . $file->getFilename()) == TRUE) {
+			$name = $file->getBasename('.php');
+			array_push($list, new $name());
+		}
+	}
+}
+
+$db = new Database(__DIR__ . '/db.json');
+echo 'Time: ' . date('c', $db->time()) . PHP_EOL;
+if ($db->load()) {
+	foreach ($list as $patch) {
+		$oldVer = $db->find($patch->id())->getVersion();
+		if ($patch->check()) {
+			$newVer = $patch->getPatch()->getVersion();
+			echo $patch->id() . ': Version \'' . $newVer . '\' ';
+			if (!empty($newVer) && $newVer != $oldVer) {
+				echo 'is newer than \'' . $oldVer . '\'!';
+				$db->addOrUpdate($patch->getPatch());
+			}
+			else
+				echo 'is up to date.';
+			echo PHP_EOL;
+		}
+		else
+			fwrite(STDERR, $patch->id() . ': CHECK FAILED!' . PHP_EOL);
+	}
+	$db->save();
+}
+
+?>
diff --git a/PatchCollector_test.php b/PatchCollector_test.php
new file mode 100644
index 0000000..647a4b0
--- /dev/null
+++ b/PatchCollector_test.php
@@ -0,0 +1,39 @@
+<?php
+
+require('PatchObject.php');
+require('PatchBase.php');
+require('Database.php');
+
+$list = array();
+foreach (new \DirectoryIterator(__DIR__ . '/modules_test') as $file) {
+	if ($file->isFile() && $file->getExtension() == 'php') {
+		if ((include __DIR__ . '/modules_test/' . $file->getFilename()) == TRUE) {
+			$name = $file->getBasename('.php');
+			array_push($list, new $name());
+		}
+	}
+}
+
+$db = new Database(__DIR__ . '/db.json');
+echo 'Time: ' . date('c', $db->time()) . PHP_EOL;
+if ($db->load()) {
+	foreach ($list as $patch) {
+		$oldVer = $db->find($patch->id())->getVersion();
+		if ($patch->check()) {
+			$newVer = $patch->getPatch()->getVersion();
+			echo $patch->id() . ': Version \'' . $newVer . '\' ';
+			if (!empty($newVer) && $newVer != $oldVer) {
+				echo 'is newer than \'' . $oldVer . '\'!';
+				$db->addOrUpdate($patch->getPatch());
+			}
+			else
+				echo 'is up to date.';
+			echo PHP_EOL;
+		}
+		else
+			fwrite(STDERR, $patch->id() . ': CHECK FAILED!' . PHP_EOL);
+	}
+	$db->save();
+}
+
+?>
diff --git a/PatchObject.php b/PatchObject.php
new file mode 100644
index 0000000..0e9bb3b
--- /dev/null
+++ b/PatchObject.php
@@ -0,0 +1,48 @@
+<?php
+
+class PatchObject {
+	private $id = '';
+	private $vendor = '';
+	private $product = '';
+	private $version = '';
+	private $url = '';
+	private $timestamp = 0;
+	function __construct(array $arr = array()) {
+		foreach ($arr as $key => $val) {
+			if (property_exists(__CLASS__, $key))
+				$this->{$key} = $val;
+		}
+	}
+	function __toString() : string {
+		return $this->vendor . ' ' . $this->product . ' ' . $this->version;
+	}
+	function toArray() : array {
+		return array('id' => $this->id, 'vendor' => $this->vendor, 'product' => $this->product, 'version' => $this->version, 'url' => $this->url, 'timestamp' => $this->timestamp);
+	}
+	function getId() : string {
+		return $this->id;
+	}
+	function getVendor() : string {
+		return $this->vendor;
+	}
+	function getProduct() : string {
+		return $this->product;
+	}
+	function getVersion() : string {
+		return $this->version;
+	}
+	function setVersion(string $version) {
+		$this->version = $version;
+	}
+	function getURL() : string {
+		return $this->url;
+	}
+	function getTimestamp() : int {
+		return $this->timestamp;
+	}
+	function setTimestamp(int $timestamp) {
+		$this->timestamp = $timestamp;
+	}
+}
+
+?>
diff --git a/PatchViewer.php b/PatchViewer.php
new file mode 100644
index 0000000..33dbc6b
--- /dev/null
+++ b/PatchViewer.php
@@ -0,0 +1,56 @@
+<?php
+
+require('PatchObject.php');
+require('Database.php');
+
+$db = new Database(__DIR__ . '/db.json');
+if (!$db->load()) {
+	exit(1);
+}
+$db->sort();
+
+?>
+<!doctype html>
+<html lang="de">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
+    <title>Patchbot</title>
+  </head>
+  <body>
+    <div class="container p-5">
+      <h2 class="mb-4">Patch Notification Robot</h2>
+      <p class="text-center"><a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=WYQZCVJPVSS5L&amp;source=url"><img src="https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif" alt="Donate" /></a></p>
+      <p>Providing you the latest update notifications:</p>
+      <table class="table table-bordered table-hover table-sm">
+        <thead class="thead-dark">
+          <tr>
+            <th>Vendor</th>
+            <th>Product</th>
+            <th>Version</th>
+            <th>Release Date*</th>
+          </tr>
+        </thead>
+        <tbody>
+<?php
+
+	for ($i = 0; $i < $db->count(); $i++) {
+		$patch = $db->get($i);
+		echo '<tr>';
+		echo '<td>' . $patch->getVendor() . '</td>';
+		echo '<td><a href="' . $patch->getURL() . '">' . $patch->getProduct() . '</a></td>';
+		echo '<td>' . $patch->getVersion() . '</td>';
+		echo '<td>' . date('Y-m-d', $patch->getTimestamp()) . '</td>';
+		echo '</tr>' . "\r\n";
+	}
+
+?>
+        </tbody>
+      </table>
+      <div class="text-right">
+        <p><a href="https://www.dateihal.de/cms/imprint">Imprint</a> &amp; <a href="https://www.dateihal.de/cms/privacy">Privacy</a></p>
+      </div>
+    </div>
+  </body>
+</html>
diff --git a/db.json b/db.json
new file mode 100644
index 0000000..12f4cb1
--- /dev/null
+++ b/db.json
@@ -0,0 +1,202 @@
+[
+    {
+        "id": "GoogleChrome",
+        "vendor": "Google",
+        "product": "Chrome",
+        "version": "75.0.3770.100",
+        "url": "https:\/\/www.google.de\/chrome\/",
+        "timestamp": 1561739765
+    },
+    {
+        "id": "AdobeReader",
+        "vendor": "Adobe",
+        "product": "Acrobat Reader DC",
+        "version": "2019.012.20034",
+        "url": "https:\/\/get.adobe.com\/de\/reader\/",
+        "timestamp": 1558278109
+    },
+    {
+        "id": "AdoptOpenJDK11",
+        "vendor": "AdoptOpenJDK",
+        "product": "OpenJDK JRE 11",
+        "version": "11.0.3+7",
+        "url": "https:\/\/adoptopenjdk.net\/",
+        "timestamp": 1558278109
+    },
+    {
+        "id": "AdoptOpenJDK12",
+        "vendor": "AdoptOpenJDK",
+        "product": "OpenJDK JRE 12",
+        "version": "12.0.1+12",
+        "url": "https:\/\/adoptopenjdk.net\/",
+        "timestamp": 1558278109
+    },
+    {
+        "id": "AdoptOpenJDK8",
+        "vendor": "AdoptOpenJDK",
+        "product": "OpenJDK JRE 8",
+        "version": "8u212-b04",
+        "url": "https:\/\/adoptopenjdk.net\/",
+        "timestamp": 1559992285
+    },
+    {
+        "id": "Arduino",
+        "vendor": "Arduino",
+        "product": "Arduino IDE",
+        "version": "1.8.9",
+        "url": "https:\/\/www.arduino.cc\/",
+        "timestamp": 1561541195
+    },
+    {
+        "id": "DirectoryLister",
+        "vendor": "Chris Kankiewicz",
+        "product": "Directory Lister",
+        "version": "2.7.1",
+        "url": "https:\/\/www.directorylister.com\/",
+        "timestamp": 1561318803
+    },
+    {
+        "id": "GIMP",
+        "vendor": "GIMP Team",
+        "product": "GNU Image Manipulation Program",
+        "version": "2.10.12",
+        "url": "https:\/\/www.gimp.org\/",
+        "timestamp": 1563107345
+    },
+    {
+        "id": "GpgWin",
+        "vendor": "Gpg4win Initiative",
+        "product": "GNU Privacy Guard for Windows",
+        "version": "3.1.10",
+        "url": "https:\/\/www.gpg4win.de\/",
+        "timestamp": 1563107271
+    },
+    {
+        "id": "MSOffice2019",
+        "vendor": "Microsoft",
+        "product": "Office 2019",
+        "version": "1906 (Build 11727.20244)",
+        "url": "https:\/\/docs.microsoft.com\/en-us\/OfficeUpdates\/update-history-office-2019#retail-versions-of-office-2016-c2r-and-office-2019",
+        "timestamp": 1562745139
+    },
+    {
+        "id": "MSOffice2019VL",
+        "vendor": "Microsoft",
+        "product": "Office 2019 VL",
+        "version": "1808 (Build 10348.20020)",
+        "url": "https:\/\/docs.microsoft.com\/en-us\/OfficeUpdates\/update-history-office-2019#volume-licensed-versions-of-office-2019",
+        "timestamp": 1562745139
+    },
+    {
+        "id": "MikroTikRouterOS",
+        "vendor": "MikroTik",
+        "product": "RouterOS",
+        "version": "6.45.1",
+        "url": "https:\/\/mikrotik.com\/download",
+        "timestamp": 1562431335
+    },
+    {
+        "id": "MozillaFirefox",
+        "vendor": "Mozilla",
+        "product": "Firefox",
+        "version": "68.0",
+        "url": "https:\/\/www.mozilla.org\/de\/firefox\/all\/",
+        "timestamp": 1562745139
+    },
+    {
+        "id": "MozillaFirefoxESR",
+        "vendor": "Mozilla",
+        "product": "Firefox ESR",
+        "version": "60.8.0",
+        "url": "https:\/\/www.mozilla.org\/de\/firefox\/organizations\/all\/",
+        "timestamp": 1562745139
+    },
+    {
+        "id": "MozillaThunderbird",
+        "vendor": "Mozilla",
+        "product": "Thunderbird",
+        "version": "60.8.0",
+        "url": "https:\/\/www.thunderbird.net\/de\/thunderbird\/all\/",
+        "timestamp": 1563107107
+    },
+    {
+        "id": "PuTTY",
+        "vendor": "Simon Tatham",
+        "product": "PuTTY",
+        "version": "0.71",
+        "url": "https:\/\/www.chiark.greenend.org.uk\/~sgtatham\/putty\/",
+        "timestamp": 1561380235
+    },
+    {
+        "id": "SevenZip",
+        "vendor": "Igor Pavlov",
+        "product": "7-Zip",
+        "version": "19.00",
+        "url": "https:\/\/www.7-zip.org\/",
+        "timestamp": 1561234479
+    },
+    {
+        "id": "TotalCommander",
+        "vendor": "Ghisler",
+        "product": "Total Commander",
+        "version": "9.22a",
+        "url": "https:\/\/www.ghisler.com\/",
+        "timestamp": 1561405210
+    },
+    {
+        "id": "VLC",
+        "vendor": "VideoLAN",
+        "product": "VLC media player",
+        "version": "3.0.7.1",
+        "url": "https:\/\/www.videolan.org\/vlc\/",
+        "timestamp": 1560345804
+    },
+    {
+        "id": "Wireshark",
+        "vendor": "Gerald Combs",
+        "product": "Wireshark",
+        "version": "3.0.2",
+        "url": "https:\/\/www.wireshark.org\/",
+        "timestamp": 1561489221
+    },
+    {
+        "id": "AdobeFlashPlayer",
+        "vendor": "Adobe",
+        "product": "Flash Player",
+        "version": "32.0.0.223",
+        "url": "https:\/\/get.adobe.com\/de\/flashplayer\/",
+        "timestamp": 1562745139
+    },
+    {
+        "id": "PHP",
+        "vendor": "PHP Group",
+        "product": "PHP",
+        "version": "7.3.7",
+        "url": "https:\/\/www.php.net\/",
+        "timestamp": 1562431335
+    },
+    {
+        "id": "Caddy",
+        "vendor": "Matthew Holt",
+        "product": "Caddy",
+        "version": "v1.0.1",
+        "url": "https:\/\/caddyserver.com\/",
+        "timestamp": 1563107271
+    },
+    {
+        "id": "Gitea",
+        "vendor": "Gitea Authors",
+        "product": "Gitea",
+        "version": "v1.9.0-rc2",
+        "url": "https:\/\/gitea.io\/",
+        "timestamp": 1563208203
+    },
+    {
+        "id": "cTop",
+        "vendor": "Bradley Cicenas",
+        "product": "ctop",
+        "version": "v0.7.2",
+        "url": "https:\/\/ctop.sh\/",
+        "timestamp": 1563107271
+    }
+]
\ No newline at end of file
diff --git a/empty.json b/empty.json
new file mode 100644
index 0000000..93d5140
--- /dev/null
+++ b/empty.json
@@ -0,0 +1 @@
+[{}]
diff --git a/modules/AdobeFlashPlayer.php b/modules/AdobeFlashPlayer.php
new file mode 100644
index 0000000..025b183
--- /dev/null
+++ b/modules/AdobeFlashPlayer.php
@@ -0,0 +1,16 @@
+<?php
+
+class AdobeFlashPlayer extends PatchBase {
+	function __construct() {
+		parent::__construct('Adobe', 'Flash Player', 'https://get.adobe.com/de/flashplayer/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://get.adobe.com/flashplayer/webservices/json/?platform_type=Windows&platform_dist=XP&platform_arch=x86-32&platform_misc=&exclude_version=10&browser_arch=&browser_type=&browser_vers=&browser_dist=&eventname=flashplayerotherversions', true)) {
+			$this->array_extract('flashplayerax');
+			return $this->parse_json('Version');
+		}
+		return false;
+	}
+}
+
+?>
diff --git a/modules/AdobeReader.php b/modules/AdobeReader.php
new file mode 100644
index 0000000..10c83ba
--- /dev/null
+++ b/modules/AdobeReader.php
@@ -0,0 +1,14 @@
+<?php
+
+class AdobeReader extends PatchBase {
+	function __construct() {
+		parent::__construct('Adobe', 'Acrobat Reader DC', 'https://get.adobe.com/de/reader/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://get.adobe.com/de/reader/'))
+			return $this->parse('_<strong>Version ([\d\.]+)</strong>_');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/AdoptOpenJDK11.php b/modules/AdoptOpenJDK11.php
new file mode 100644
index 0000000..3ad65aa
--- /dev/null
+++ b/modules/AdoptOpenJDK11.php
@@ -0,0 +1,14 @@
+<?php
+
+class AdoptOpenJDK11 extends PatchBase {
+	function __construct() {
+		parent::__construct('AdoptOpenJDK', 'OpenJDK JRE 11', 'https://adoptopenjdk.net/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://api.adoptopenjdk.net/v2/info/releases/openjdk11?release=latest&openjdk_impl=hotspot&type=jre&os=windows&arch=x64', true))
+			return $this->parse_json('openjdk_version');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/AdoptOpenJDK12.php b/modules/AdoptOpenJDK12.php
new file mode 100644
index 0000000..1551a17
--- /dev/null
+++ b/modules/AdoptOpenJDK12.php
@@ -0,0 +1,14 @@
+<?php
+
+class AdoptOpenJDK12 extends PatchBase {
+	function __construct() {
+		parent::__construct('AdoptOpenJDK', 'OpenJDK JRE 12', 'https://adoptopenjdk.net/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://api.adoptopenjdk.net/v2/info/releases/openjdk12?release=latest&openjdk_impl=hotspot&type=jre&os=windows&arch=x64', true))
+			return $this->parse_json('openjdk_version');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/AdoptOpenJDK8.php b/modules/AdoptOpenJDK8.php
new file mode 100644
index 0000000..54b027c
--- /dev/null
+++ b/modules/AdoptOpenJDK8.php
@@ -0,0 +1,14 @@
+<?php
+
+class AdoptOpenJDK8 extends PatchBase {
+	function __construct() {
+		parent::__construct('AdoptOpenJDK', 'OpenJDK JRE 8', 'https://adoptopenjdk.net/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://api.adoptopenjdk.net/v2/info/releases/openjdk8?release=latest&openjdk_impl=hotspot&type=jre&os=windows&arch=x64', true))
+			return $this->parse_json('openjdk_version');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/Arduino.php b/modules/Arduino.php
new file mode 100644
index 0000000..cb0262b
--- /dev/null
+++ b/modules/Arduino.php
@@ -0,0 +1,14 @@
+<?php
+
+class Arduino extends PatchBase {
+	function __construct() {
+		parent::__construct('Arduino AG', 'Arduino IDE', 'https://www.arduino.cc/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.arduino.cc/en/Main/Software'))
+			return $this->parse('_<div class="blue-title">[\s]*ARDUINO ([\d\.]+)[\s]*</div>_');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/Caddy.php b/modules/Caddy.php
new file mode 100644
index 0000000..4c8219c
--- /dev/null
+++ b/modules/Caddy.php
@@ -0,0 +1,14 @@
+<?php
+
+class Caddy extends PatchBase {
+	function __construct() {
+		parent::__construct('Matthew Holt', 'Caddy', 'https://caddyserver.com/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://api.github.com/repos/caddyserver/caddy/releases/latest', true))
+			return $this->parse_json('tag_name');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/DirectoryLister.php b/modules/DirectoryLister.php
new file mode 100644
index 0000000..c849ed8
--- /dev/null
+++ b/modules/DirectoryLister.php
@@ -0,0 +1,14 @@
+<?php
+
+class DirectoryLister extends PatchBase {
+	function __construct() {
+		parent::__construct('Chris Kankiewicz', 'Directory Lister', 'https://www.directorylister.com/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://api.github.com/repos/DirectoryLister/DirectoryLister/releases/latest', true))
+			return $this->parse_json('tag_name');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/GIMP.php b/modules/GIMP.php
new file mode 100644
index 0000000..9b72e3c
--- /dev/null
+++ b/modules/GIMP.php
@@ -0,0 +1,14 @@
+<?php
+
+class GIMP extends PatchBase {
+	function __construct() {
+		parent::__construct('GIMP Team', 'GNU Image Manipulation Program', 'https://www.gimp.org/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.gimp.org/downloads/'))
+			return $this->parse('_//download\.gimp\.org/mirror/pub/gimp/v[\d\.]+/windows/gimp-([\d\.]+)-setup[\-\d]*\.exe_');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/Gitea.php b/modules/Gitea.php
new file mode 100644
index 0000000..a5e8abe
--- /dev/null
+++ b/modules/Gitea.php
@@ -0,0 +1,14 @@
+<?php
+
+class Gitea extends PatchBase {
+	function __construct() {
+		parent::__construct('Gitea Authors', 'Gitea', 'https://gitea.io/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://api.github.com/repos/go-gitea/gitea/releases/latest', true))
+			return $this->parse_json('tag_name');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/GoogleChrome.php b/modules/GoogleChrome.php
new file mode 100644
index 0000000..b41e806
--- /dev/null
+++ b/modules/GoogleChrome.php
@@ -0,0 +1,14 @@
+<?php
+
+class GoogleChrome extends PatchBase {
+	function __construct() {
+		parent::__construct('Google', 'Chrome', 'https://www.google.de/chrome/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://omahaproxy.appspot.com/all'))
+			return $this->parse('/win64,stable,([\d\.]+),/');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/GpgWin.php b/modules/GpgWin.php
new file mode 100644
index 0000000..58afee8
--- /dev/null
+++ b/modules/GpgWin.php
@@ -0,0 +1,14 @@
+<?php
+
+class GpgWin extends PatchBase {
+	function __construct() {
+		parent::__construct('Gpg4win Initiative', 'GNU Privacy Guard for Windows', 'https://www.gpg4win.de/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.gpg4win.de/get-gpg4win-de.html'))
+			return $this->parse('/<h2>Download Gpg4win ([\d\.]+) \(/');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/MSOffice2019.php b/modules/MSOffice2019.php
new file mode 100644
index 0000000..22199c9
--- /dev/null
+++ b/modules/MSOffice2019.php
@@ -0,0 +1,16 @@
+<?php
+
+class MSOffice2019 extends PatchBase {
+	function __construct() {
+		parent::__construct('Microsoft', 'Office 2019', 'https://docs.microsoft.com/en-us/OfficeUpdates/update-history-office-2019#retail-versions-of-office-2016-c2r-and-office-2019');
+	}
+	function check() : bool {
+		if ($this->fetch('https://docs.microsoft.com/en-us/OfficeUpdates/update-history-office-2019')) {
+			$this->str_crop('retail-versions-of-office-2016-c2r-and-office-2019', '</table>');
+			return $this->parse('/Version ([\d]+ \(Build [\d\.]+\))/');
+		}
+		return false;
+	}
+}
+
+?>
diff --git a/modules/MSOffice2019VL.php b/modules/MSOffice2019VL.php
new file mode 100644
index 0000000..e527c6a
--- /dev/null
+++ b/modules/MSOffice2019VL.php
@@ -0,0 +1,16 @@
+<?php
+
+class MSOffice2019VL extends PatchBase {
+	function __construct() {
+		parent::__construct('Microsoft', 'Office 2019 VL', 'https://docs.microsoft.com/en-us/OfficeUpdates/update-history-office-2019#volume-licensed-versions-of-office-2019');
+	}
+	function check() : bool {
+		if ($this->fetch('https://docs.microsoft.com/en-us/OfficeUpdates/update-history-office-2019')) {
+			$this->str_crop('volume-licensed-versions-of-office-2019', '</table>');
+			return $this->parse('/Version ([\d]+ \(Build [\d\.]+\))/');
+		}
+		return false;
+	}
+}
+
+?>
diff --git a/modules/MikroTikRouterOS.php b/modules/MikroTikRouterOS.php
new file mode 100644
index 0000000..a2f2a05
--- /dev/null
+++ b/modules/MikroTikRouterOS.php
@@ -0,0 +1,16 @@
+<?php
+
+class MikroTikRouterOS extends PatchBase {
+	function __construct() {
+		parent::__construct('MikroTik', 'RouterOS', 'https://mikrotik.com/download');
+	}
+	function check() : bool {
+		if ($this->fetch('https://mikrotik.com/download')) {
+			$this->str_crop('id="routeros"', '</thead>');
+			return $this->parse('/<th>([\d\.]+) \(Stable\)/');
+		}
+		return false;
+	}
+}
+
+?>
diff --git a/modules/MozillaFirefox.php b/modules/MozillaFirefox.php
new file mode 100644
index 0000000..55c5005
--- /dev/null
+++ b/modules/MozillaFirefox.php
@@ -0,0 +1,14 @@
+<?php
+
+class MozillaFirefox extends PatchBase {
+	function __construct() {
+		parent::__construct('Mozilla', 'Firefox', 'https://www.mozilla.org/de/firefox/all/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.mozilla.org/de/firefox/all/'))
+			return $this->parse('/data-latest-firefox="([\d\.]+)"/');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/MozillaFirefoxESR.php b/modules/MozillaFirefoxESR.php
new file mode 100644
index 0000000..c29ed0a
--- /dev/null
+++ b/modules/MozillaFirefoxESR.php
@@ -0,0 +1,14 @@
+<?php
+
+class MozillaFirefoxESR extends PatchBase {
+	function __construct() {
+		parent::__construct('Mozilla', 'Firefox ESR', 'https://www.mozilla.org/de/firefox/organizations/all/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.mozilla.org/de/firefox/organizations/all/'))
+			return $this->parse('/data-esr-versions="([\d\.]+)[ "]/');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/MozillaThunderbird.php b/modules/MozillaThunderbird.php
new file mode 100644
index 0000000..cba0a12
--- /dev/null
+++ b/modules/MozillaThunderbird.php
@@ -0,0 +1,14 @@
+<?php
+
+class MozillaThunderbird extends PatchBase {
+	function __construct() {
+		parent::__construct('Mozilla', 'Thunderbird', 'https://www.thunderbird.net/de/thunderbird/all/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.thunderbird.net/de/thunderbird/all/'))
+			return $this->parse('_"https://download\.mozilla\.org/\?product=thunderbird-([\d\.]+)(-SSL)?&(amp;)?os=win&(amp;)?lang=en-US"_');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/PHP.php b/modules/PHP.php
new file mode 100644
index 0000000..a830d2b
--- /dev/null
+++ b/modules/PHP.php
@@ -0,0 +1,14 @@
+<?php
+
+class PHP extends PatchBase {
+	function __construct() {
+		parent::__construct('PHP Group', 'PHP', 'https://www.php.net/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.php.net/downloads.php'))
+			return $this->parse('_Current Stable</span>[\s]*PHP ([\d\.]+)_');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/PuTTY.php b/modules/PuTTY.php
new file mode 100644
index 0000000..99de541
--- /dev/null
+++ b/modules/PuTTY.php
@@ -0,0 +1,14 @@
+<?php
+
+class PuTTY extends PatchBase {
+	function __construct() {
+		parent::__construct('Simon Tatham', 'PuTTY', 'https://www.chiark.greenend.org.uk/~sgtatham/putty/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html'))
+			return $this->parse('/latest release \(([\d\.]+)\)/');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/SevenZip.php b/modules/SevenZip.php
new file mode 100644
index 0000000..0d13e53
--- /dev/null
+++ b/modules/SevenZip.php
@@ -0,0 +1,14 @@
+<?php
+
+class SevenZip extends PatchBase {
+	function __construct() {
+		parent::__construct('Igor Pavlov', '7-Zip', 'https://www.7-zip.org/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.7-zip.org/download.html'))
+			return $this->parse('/Download 7-Zip ([\d\.]+) \(/');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/TotalCommander.php b/modules/TotalCommander.php
new file mode 100644
index 0000000..2189821
--- /dev/null
+++ b/modules/TotalCommander.php
@@ -0,0 +1,14 @@
+<?php
+
+class TotalCommander extends PatchBase {
+	function __construct() {
+		parent::__construct('Ghisler', 'Total Commander', 'https://www.ghisler.com/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.ghisler.com/download.htm'))
+			return $this->parse('/version ([\d\w\.]+) of/');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/VLC.php b/modules/VLC.php
new file mode 100644
index 0000000..db846eb
--- /dev/null
+++ b/modules/VLC.php
@@ -0,0 +1,14 @@
+<?php
+
+class VLC extends PatchBase {
+	function __construct() {
+		parent::__construct('VideoLAN', 'VLC media player', 'https://www.videolan.org/vlc/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.videolan.org/vlc/download-windows.html'))
+			return $this->parse('_//get\.videolan\.org/vlc/([\d\.]+)/win32/vlc-[\d\.]+-win32\.exe_');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/Wireshark.php b/modules/Wireshark.php
new file mode 100644
index 0000000..e18c06b
--- /dev/null
+++ b/modules/Wireshark.php
@@ -0,0 +1,14 @@
+<?php
+
+class Wireshark extends PatchBase {
+	function __construct() {
+		parent::__construct('Gerald Combs', 'Wireshark', 'https://www.wireshark.org/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://www.wireshark.org/download.html'))
+			return $this->parse('/>Stable Release \(([\d\.]+)\)/');
+		return false;
+	}
+}
+
+?>
diff --git a/modules/cTop.php b/modules/cTop.php
new file mode 100644
index 0000000..2045c8c
--- /dev/null
+++ b/modules/cTop.php
@@ -0,0 +1,14 @@
+<?php
+
+class cTop extends PatchBase {
+	function __construct() {
+		parent::__construct('Bradley Cicenas', 'ctop', 'https://ctop.sh/');
+	}
+	function check() : bool {
+		if ($this->fetch('https://api.github.com/repos/bcicen/ctop/releases/latest', true))
+			return $this->parse_json('tag_name');
+		return false;
+	}
+}
+
+?>
diff --git a/modules_test/.gitkeep b/modules_test/.gitkeep
new file mode 100644
index 0000000..e69de29