diff --git a/_Sidebar.md b/_Sidebar.md
index 8aac499..dfd3362 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -16,4 +16,10 @@
 #### ![Kommerziell badge](https://img.shields.io/badge/Kommerziell-Kommerziell?style=for-the-badge&logo=cashapp&color=dimgray&logoColor=black&labelColor=red)
 
 - [Datadog](./Tools/Visualisierung/Datadog)
-- [New Relic](./Tools/Visualisierung/New-Relic)
\ No newline at end of file
+- [New Relic](./Tools/Visualisierung/New-Relic)
+ 
+### Aggregierung
+
+#### [![OpenSource badge](https://img.shields.io/badge/OpenSource-OpenSource?style=for-the-badge&logo=opensourceinitiative&color=dimgray&logoColor=black&labelColor=limegreen)](https://opensource.org/about)
+
+- [Cadvisor](./Tools/Aggregierung/Cadvisor)