diff --git a/bl-kernel/boot/init.php b/bl-kernel/boot/init.php
index f7fc78aa..ff6fe20e 100644
--- a/bl-kernel/boot/init.php
+++ b/bl-kernel/boot/init.php
@@ -87,6 +87,8 @@ include(PATH_KERNEL.'dbsite.class.php');
 include(PATH_KERNEL.'dbcategories.class.php');
 include(PATH_KERNEL.'dbsyslog.class.php');
 include(PATH_KERNEL.'page.class.php');
+include(PATH_KERNEL.'category.class.php');
+include(PATH_KERNEL.'tag.class.php');
 include(PATH_KERNEL.'user.class.php');
 include(PATH_KERNEL.'url.class.php');
 include(PATH_KERNEL.'login.class.php');
diff --git a/bl-kernel/category.class.php b/bl-kernel/category.class.php
new file mode 100644
index 00000000..87dca557
--- /dev/null
+++ b/bl-kernel/category.class.php
@@ -0,0 +1,56 @@
+<?php defined('BLUDIT') or die('Bludit CMS.');
+
+class Category {
+
+	private $vars;
+
+	function __construct($key)
+	{
+		global $dbCategories;
+
+		if (isset($dbCategories->db[$key])) {
+			$this->vars['name'] 		= $dbCategories->db[$key]['name'];
+			$this->vars['key'] 		= $key;
+			$this->vars['permalink'] 	= DOMAIN_CATEGORIES . $key;
+			$this->vars['list'] 		= $dbCategories->db[$key]['list'];
+		}
+		else {
+			$this->vars = false;
+		}
+	}
+
+	// Returns TRUE if the category is valid/exists, FALSE otherwise
+	public function isValid()
+	{
+		return $this->vars!==false;
+	}
+
+	public function getValue($field)
+	{
+		if (isset($this->vars[$field])) {
+			return $this->vars[$field];
+		}
+		return false;
+	}
+
+	public function key()
+	{
+		return $this->getValue('key');
+	}
+
+	public function name()
+	{
+		return $this->getValue('name');
+	}
+
+	public function permalink()
+	{
+		return $this->getValue('permalink');
+	}
+
+	// Returns an array with the keys of pages linked to the category
+	public function pages()
+	{
+		return $this->getValue('list');
+	}
+}
\ No newline at end of file
diff --git a/bl-kernel/functions.php b/bl-kernel/functions.php
index 4ba40d42..3d07b8ed 100644
--- a/bl-kernel/functions.php
+++ b/bl-kernel/functions.php
@@ -705,6 +705,41 @@ function deleteCategory($categoryKey) {
 	return true;
 }
 
+// Returns an array with all the categories
+// By default, the database of categories is alphanumeric sorted
+function getCategories() {
+	global $dbCategories;
+
+	$list = array();
+	foreach ($dbCategories->db as $key=>$fields) {
+		$category = new Category($key);
+		array_push($list, $category);
+	}
+	return $list;
+}
+
+// Returns the object category if the category exists, FALSE otherwise
+function getCategory($key) {
+	$category = new Category($key);
+	if (!$category->isValid()) {
+		return false;
+	}
+	return $category;
+}
+
+// Returns an array with all the tags
+// By default, the database of tags is alphanumeric sorted
+function getTags() {
+	global $dbTags;
+
+	$list = array();
+	foreach ($dbTags->db as $key=>$fields) {
+		$tag = new Tag($key);
+		array_push($list, $tag);
+	}
+	return $list;
+}
+
 function activateTheme($themeDirectory) {
 	global $Site;
 	global $Syslog;
diff --git a/bl-kernel/tag.class.php b/bl-kernel/tag.class.php
new file mode 100644
index 00000000..4a9a9526
--- /dev/null
+++ b/bl-kernel/tag.class.php
@@ -0,0 +1,56 @@
+<?php defined('BLUDIT') or die('Bludit CMS.');
+
+class Tag {
+
+	private $vars;
+
+	function __construct($key)
+	{
+		global $dbTags;
+
+		if (isset($dbTags->db[$key])) {
+			$this->vars['name'] 		= $dbTags->db[$key]['name'];
+			$this->vars['key'] 		= $key;
+			$this->vars['permalink'] 	= DOMAIN_TAGS . $key;
+			$this->vars['list'] 		= $dbTags->db[$key]['list'];
+		}
+		else {
+			$this->vars = false;
+		}
+	}
+
+	// Returns TRUE if the tag is valid/exists, FALSE otherwise
+	public function isValid()
+	{
+		return $this->vars!==false;
+	}
+
+	public function getValue($field)
+	{
+		if (isset($this->vars[$field])) {
+			return $this->vars[$field];
+		}
+		return false;
+	}
+
+	public function key()
+	{
+		return $this->getValue('key');
+	}
+
+	public function name()
+	{
+		return $this->getValue('name');
+	}
+
+	public function permalink()
+	{
+		return $this->getValue('permalink');
+	}
+
+	// Returns an array with the keys of pages linked to the tag
+	public function pages()
+	{
+		return $this->getValue('list');
+	}
+}
\ No newline at end of file