diff --git a/inc/config.php b/inc/config.php
index 0a8b982d..1b36f210 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -710,6 +710,17 @@
 	// 'status' => 'http://status.example.org/'
 	//);
 	
+	// Categories
+	// Required for the Categories theme. Array of the names of board groups in order, from $config['boards'].
+	//$config['categories'] = Array('groupname', 'name', 'anothername', 'kangaroos');
+	
+	// Custom_categories
+	// Optional for the Categories theme. Array of name => (title, url) groups for categories with non-board links.
+	//$config['custom_categories'] = Array( 'Links' =>
+	//	Array('Tinyboard' => 'http://tinyboard.org',
+	//	'AnotherName' => 'url')
+	//);
+	
 	// Set custom locations for stylesheets, scripts and maybe a banner.
 	// This can be good for load balancing across multiple servers or hostnames.
 	// $config['url_stylesheet'] = 'http://static.example.org/style.css'; // main/base stylesheet
diff --git a/inc/functions.php b/inc/functions.php
index a5c8a518..7ba2278b 100644
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -228,6 +228,16 @@
 		} else return false;
 	}
 	
+	function boardTitle($uri) {
+		$query = prepare("SELECT `title` FROM `boards` WHERE `uri` = :uri LIMIT 1");
+		$query->bindValue(':uri', $uri);
+		$query->execute() or error(db_error($query));
+		
+		if($title = $query->fetch()) {
+			return $title['title'];
+		} else return false;
+	}
+	
 	function purge($uri) {
 		global $config, $debug;
 		if(preg_match($config['url_match'], $config['root'])) {
diff --git a/templates/themes/categories/info.php b/templates/themes/categories/info.php
new file mode 100644
index 00000000..d0cedb13
--- /dev/null
+++ b/templates/themes/categories/info.php
@@ -0,0 +1,30 @@
+<?php
+	$theme = Array();
+	
+	// Theme name
+	$theme['name'] = 'Categories';
+	// Description (you can use Tinyboard markup here)
+	$theme['description'] = 
+'Group-ordered, category-aware modification of the Frameset theme.
+
+Requires $config[\'boards\'] and $config[\'categories\'].';
+	$theme['version'] = 'v0.1';
+	
+	// Theme configuration	
+	$theme['config'] = Array();
+	
+	$theme['config'][] = Array(
+		'title' => 'Title',
+		'name' => 'title',
+		'type' => 'text'
+	);
+	
+	$theme['config'][] = Array(
+		'title' => 'Slogan',
+		'name' => 'subtitle',
+		'type' => 'text'
+	);
+	
+	// Unique function name for building everything
+	$theme['build_function'] = 'categories_build';
+?>
diff --git a/templates/themes/categories/theme.php b/templates/themes/categories/theme.php
new file mode 100644
index 00000000..c126f8da
--- /dev/null
+++ b/templates/themes/categories/theme.php
@@ -0,0 +1,144 @@
+<?php
+	require 'info.php';
+	
+	function categories_build($action, $settings) {
+		// Possible values for $action:
+		//	- all (rebuild everything, initialization)
+		//	- news (news has been updated)
+		//	- boards (board list changed)
+		
+		Categories::build($action, $settings);
+	}
+
+	// Wrap functions in a class so they don't interfere with normal Tinyboard operations
+	class Categories {
+		public static function build($action, $settings) {
+			global $config;
+			
+			if($action == 'all')
+				file_write($config['dir']['home'] . $config['file_index'], Categories::homepage($settings));
+			
+			if($action == 'all' || $action == 'boards')
+				file_write($config['dir']['home'] . 'sidebar.html', Categories::sidebar($settings));
+			
+			if($action == 'all' || $action == 'news')
+				file_write($config['dir']['home'] . 'news.html', Categories::news($settings));
+		}
+		
+		// Build homepage
+		public static function homepage($settings) {
+			global $config;
+			
+			// HTML5
+			return '<!DOCTYPE html><html>'
+			. '<head>'
+				. '<link rel="stylesheet" media="screen" href="' . $config['url_stylesheet'] . '"/>'
+				. '<style type="text/css">'
+					. 'iframe{border:none;margin:0;padding:0;height:99%;position:absolute}'
+					. 'iframe#sidebar{left:0;top:0;width:15%}'
+					. 'iframe#main{border-left:1px solid black;left:15%;top:0;width:85%}'
+				. '</style>'
+				. '<title>' . $settings['title'] . '</title>'
+			. '</head><body>'
+			// Sidebar
+			. '<iframe src="sidebar.html" id="sidebar" name="sidebar"></iframe>'
+			// Main
+			. '<iframe src="news.html" id="main" name="main"></iframe>'
+			// Finish page
+			. '</body></html>';
+		}
+		
+		// Build news page
+		public static function news($settings) {
+			global $config;
+			
+			// HTML5
+			$body = '<!DOCTYPE html><html>'
+			. '<head>'
+				. '<link rel="stylesheet" media="screen" href="' . $config['url_stylesheet'] . '"/>'
+				. '<title>News</title>'
+			. '</head><body>';
+			
+			$body .= '<h1>' . $settings['title'] . '</h1>'
+				. '<div class="title">' . ($settings['subtitle'] ? utf8tohtml($settings['subtitle']) : '') . '</div>';
+			
+			$query = query("SELECT * FROM `news` ORDER BY `time` DESC") or error(db_error());
+			if($query->rowCount() == 0) {
+				$body .= '<p style="text-align:center" class="unimportant">(No news to show.)</p>';
+			} else {
+				// List news
+				while($news = $query->fetch()) {
+					$body .= '<div class="ban">' .
+					'<h2 id="' . $news['id'] . '">' .
+						($news['subject'] ?
+							$news['subject']
+						:
+							'<em>no subject</em>'
+						) .
+					'<span class="unimportant"> — by ' .
+						$news['name'] .
+					' at ' .
+						date($config['post_date'], $news['time']) .
+					'</span></h2><p>' . $news['body'] . '</p></div>';
+				}
+			}
+			
+			// Finish page
+			$body .= '</body></html>';
+			
+			return $body;
+		}
+		
+		// Build sidebar
+		public static function sidebar($settings) {
+			global $config, $board;
+			
+			$body = '<!DOCTYPE html><html>'
+			. '<head>' 
+				. '<link rel="stylesheet" media="screen" href="' . $config['url_stylesheet'] . '"/>'
+				. '<style type="text/css">'
+					. 'fieldset{margin:10px 0}'
+					. 'legend{width:100%;margin-left:-15px;background:#98E;border:1px solid white;color:white;font-weight:bold;padding:5px 5px}'
+					. 'ul{margin:0;padding:0}'
+					. 'li{list-style:none;padding:0 4px;margin: 0 4px}'
+					. 'li a.system{font-weight:bold}'
+				. '</style>'
+				. '<base target="main" />'
+				. '<title>' . $settings['title'] . '</title>'
+			. '</head><body>';
+			
+			$body .= '<fieldset><legend>' . $settings['title'] . '</legend><ul>' .
+				'<li><a class="system" href="news.html">[News]</a></li>' .
+			'</ul></fieldset>';
+			
+			for($cat = 0; $cat < count($config['categories']); $cat++) {
+				$body .= '<fieldset><legend>' . $config['categories'][$cat] . '</legend><ul>';
+				
+				foreach($config['boards'][$cat] as &$board) {
+					$body .= '<li><a href="' .
+						sprintf($config['board_path'], $board) .
+					'">' . boardTitle($board) . '</a></li>';
+				}
+				
+				$body .= '</ul></fieldset>';
+			}
+			
+			foreach($config['custom_categories'] as $name => &$group) {
+				$body .= '<fieldset><legend>' . $name . '</legend><ul>';
+				
+				foreach($group as $title => &$url) {
+					$body .= '<li><a href="' . $url .
+					'">' . $title . '</a></li>';
+				}
+				
+				$body .= '</ul></fieldset>';
+			}
+			
+			// Finish page
+			$body .= '</body></html>';
+			
+			return $body;
+		}
+	};
+	
+?>
diff --git a/templates/themes/categories/thumb.png b/templates/themes/categories/thumb.png
new file mode 100644
index 00000000..4326ee35
Binary files /dev/null and b/templates/themes/categories/thumb.png differ
