diff --git a/Utils/GeneralUtils.js b/Utils/GeneralUtils.js
new file mode 100644
index 0000000..8664336
--- /dev/null
+++ b/Utils/GeneralUtils.js
@@ -0,0 +1,77 @@
+/**
+ * Standard library
+ *
+ * This library provides useful functionalities for the DOM and other manipulations.
+ *
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @since      1.0.0
+ */
+(function (jsOMS)
+{
+    "use strict";
+
+    /**
+     * Delayed watcher
+     *
+     * Used to fire event after delay
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.watcher = function ()
+    {
+        var timer = 0;
+        return function (callback, ms)
+        {
+            clearTimeout(timer);
+            timer = setTimeout(callback, ms);
+        };
+    }();
+
+    /**
+     * Merging two arrays recursively
+     *
+     * @param target Target array
+     * @param source Source array
+     *
+     * @return Array
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.merge = function (target, source)
+    {
+        const out = jsOMS.clone(target);
+
+        for (let p in source) {
+            if (source.hasOwnProperty(p)) {
+                // Property in destination object set; update its value.
+                if (typeof source[p] === 'object') {
+                    out[p] = jsOMS.merge(out[p], source[p]);
+
+                } else {
+                    out[p] = source[p];
+
+                }
+            } else {
+                out[p] = source[p];
+            }
+        }
+
+        return out;
+    };
+
+    /**
+     * todo: implement deep clone/copy
+     * @param obj
+     * @returns {*}
+     */
+    jsOMS.clone = function (obj)
+    {
+        return obj;
+    };
+}(window.jsOMS = window.jsOMS || {}));
diff --git a/Utils/StringUtils.js b/Utils/StringUtils.js
new file mode 100644
index 0000000..b1f39ac
--- /dev/null
+++ b/Utils/StringUtils.js
@@ -0,0 +1,126 @@
+/**
+ * Standard library
+ *
+ * This library provides useful functionalities for the DOM and other manipulations.
+ *
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @since      1.0.0
+ */
+(function (jsOMS)
+{
+    "use strict";
+    
+    /**
+     * Trim char from string
+     *
+     * @param {string} str String to trim from
+     * @param {string} char Char to trim
+     *
+     * @return {string}
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.trim = function(str, char)
+    {
+        return jsOMS.ltrim(jsOMS.rtrim(str, char), char);
+    };
+
+    /**
+     * Trim char from right part of string
+     *
+     * @param {string} str String to trim from
+     * @param {string} char Char to trim
+     *
+     * @return {string}
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.rtrim = function(str, char)
+    {
+        return str.replace(new RegExp("[" + char + "]*$"), '');
+    };
+
+    /**
+     * Trim char from left part of string
+     *
+     * @param {string} str String to trim from
+     * @param {string} char Char to trim
+     *
+     * @return {string}
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.ltrim = function(str, char)
+    {
+        return str.replace(new RegExp("^[" + char + "]*"), '');
+    };
+    
+    /**
+     * Count string in string
+     *
+     * @param {string} str String to inspect
+     * @param {string} substr Substring to count
+     *
+     * @return {int}
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.substr_count = function(str, substr) {
+        str += '';
+        substr += '';
+        
+        if (substr.length <= 0) { 
+            return (str.length + 1);
+        }
+
+        let n = 0,
+            pos = 0,
+            step = substr.length;
+
+        while (true) {
+            pos = str.indexOf(substr, pos);
+            
+            if (pos >= 0) {
+                ++n;
+                pos += step;
+            } else {
+                break;
+            }
+        }
+        
+        return n;
+    }
+
+    /**
+     * Integer hash
+     *
+     * @param {string} str String to hash
+     *
+     * @return {int}
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.hash = function (str)
+    {
+        var res = 0,
+            len = str.length;
+
+        for (var i = 0; i < len; i++) {
+            res = res * 31 + str.charCodeAt(i);
+        }
+
+        return res;
+    };
+}(window.jsOMS = window.jsOMS || {}));
diff --git a/Utils/UiUtils.js b/Utils/UiUtils.js
new file mode 100644
index 0000000..bb00b04
--- /dev/null
+++ b/Utils/UiUtils.js
@@ -0,0 +1,226 @@
+/**
+ * Standard library
+ *
+ * This library provides useful functionalities for the DOM and other manipulations.
+ *
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @since      1.0.0
+ */
+(function (jsOMS)
+{
+    "use strict";
+
+    /**
+     * Class finder
+     *
+     * Checking if a element has a class
+     *
+     * @param {Object} ele DOM Element
+     * @param {string} cls Class to find
+     *
+     * @return {boolean}
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.hasClass = function (ele, cls)
+    {
+        return typeof ele !== 'undefined' && ele !== null && typeof ele.className !== 'undefined' && ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'));
+    };
+
+    /**
+     * Add class
+     *
+     * Adding a class to an element
+     *
+     * @param ele DOM Element
+     * @param cls Class to add
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.addClass = function (ele, cls)
+    {
+        if (!jsOMS.hasClass(ele, cls)) {
+            ele.className += " " + cls;
+        }
+    };
+
+    /**
+     * Remove class
+     *
+     * Removing a class form an element
+     *
+     * @param ele DOM Element
+     * @param cls Class to remove
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.removeClass = function (ele, cls)
+    {
+        if (jsOMS.hasClass(ele, cls)) {
+            var reg       = new RegExp('(\\s|^)' + cls + '(\\s|$)');
+            ele.className = ele.className.replace(reg, '');
+        }
+    };
+
+    /**
+     * Action prevent
+     *
+     * Preventing event from firering and passing through
+     *
+     * @param event Event Event to stop
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.preventAll = function (event)
+    {
+        if (event.stopPropagation) {
+            event.stopPropagation();
+        } else {
+            event.cancelBubble = true;
+        }
+
+        event.preventDefault();
+    };
+
+    /**
+     * Ready invoke
+     *
+     * Invoking a function after page load
+     *
+     * @param func Callback function
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.ready = function (func)
+    {
+        // TODO: IE problems? + Maybe interactive + loaded can cause problems since elements might not be loaded yet?!!?!!?!
+        if (document.readyState === 'complete' || document.readyState === 'loaded' || document.readyState === 'interactive') {
+            func();
+        } else {
+            document.addEventListener("DOMContentLoaded", function (event)
+            {
+                func();
+            });
+        }
+    };
+
+    /**
+     * Empty element
+     *
+     * Deleting content from element
+     *
+     * @param ele DOM Element
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.empty = function (ele)
+    {
+        while (ele.firstChild) {
+            ele.removeChild(ele.firstChild);
+        }
+    };
+
+    /**
+     * Check node
+     *
+     * Checking if a selection is a node
+     *
+     * @param ele DOM Node
+     *
+     * @return {boolean}
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.isNode = function (ele)
+    {
+        /** global: Node */
+        return (
+            typeof Node === "object" ? ele instanceof Node :
+            ele && typeof ele === "object" && typeof ele.nodeType === "number" && typeof ele.nodeName === "string"
+        );
+    };
+
+    /**
+     * Check element
+     *
+     * Checking if a selection is a element
+     *
+     * @param o DOM Element
+     *
+     * @return {boolean}
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.isElement = function (o)
+    {
+        /** global: HTMLElement */
+        return (
+            typeof HTMLElement === "object" ? o instanceof HTMLElement : o && typeof o === "object" && o !== null && o.nodeType === 1 && typeof o.nodeName === "string"
+        );
+    };
+
+    /**
+     * Getting element by class
+     *
+     * Getting a element by class in the first level
+     *
+     * @param ele DOM Element
+     * @param cls Class to find
+     *
+     * @return Element
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.getByClass = function (ele, cls)
+    {
+        var length = ele.childNodes.length;
+
+        for (var i = 0; i < length; i++) {
+            if (jsOMS.hasClass(ele.childNodes[i], cls)) {
+                return ele.childNodes[i];
+            }
+        }
+
+        return null;
+    };
+
+    /**
+     * Adding event listener to multiple elements
+     *
+     * @param e DOM Elements
+     * @param {string} event Event name
+     * @param {function} callback Event callback
+     *
+     * @function
+     *
+     * @since  1.0.0
+     */
+    jsOMS.addEventListenerToAll = function (e, event, callback)
+    {
+        const length = e.length;
+
+        for (let i = 0; i < length; i++) {
+            e[i].addEventListener(event, callback);
+        }
+    };
+}(window.jsOMS = window.jsOMS || {}));