diff -r 5e36330f954b -r a07662e829c0 src/main/webapp/WEB-INF/jspf/navmenu.jspf
--- a/src/main/webapp/WEB-INF/jspf/navmenu.jspf	Tue Jun 23 13:06:07 2026 +0200
+++ b/src/main/webapp/WEB-INF/jspf/navmenu.jspf	Tue Jun 23 14:30:10 2026 +0200
@@ -30,9 +30,14 @@
 
 <jsp:useBean id="navMenu" type="de.uapcore.lightpit.viewmodel.NavMenu" scope="request" />
 
+<div class="menuEntry level-0">
+    <input id="show-all-projects" type="checkbox" <c:if test="${show_all_projects}">checked</c:if> onclick="toggleShowAllProjects()"/>
+    <label for="show-all-projects"><fmt:message key="navmenu.showall"/> </label>
+</div>
 <c:forEach var="entry" items="${navMenu.entries}">
     <div class="menuEntry level-${entry.level}"
         <c:if test="${entry.active}"> data-active </c:if>
+        <c:if test="${entry.hidden}"> data-hidden </c:if>
         <c:if test="${not empty entry.title}">title="<fmt:message key="${entry.title}"/>" </c:if>
     >
         <c:if test="${not empty entry.iconColor}">