diff --git a/_Sidebar.md b/_Sidebar.md
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 # Seiten
 
-- **[Home](./Home)**
-- **[Quiz](./Quiz)**
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+- [Home](./Home)
+- [Quiz](./Quiz)
+
+## Tools
+
+### Visualisierung
+
+#### [![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)
+
+- [Grafana](./Tools/Visualisierung/Grafana)
+- [Kibana](./Tools/Visualisierung/Kibana)
+- [Netdata](./Tools/Visualisierung/Netdata)
+
+#### ![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)
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