Add overview diagram

Author: phwissmann

assets/img/documentation/dev/components.drawio.png

@@ -7,13 +7,39 @@ permalink: /documentation/dev/overview
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 {% include documentationStepper/stepper.html %}
 
-## Overview
+## High-level Overview
 
-In this section of the website you will find the documentation for the development of the OpenEM components.
+The following diagram shows the components involved in OpenEM and a (simplified) view of typical interactions between them.
+
+![OpenEM Components](/assets/img/documentation/dev/components.drawio.png)
+*Green: Newly developed components; Blue: Modified existing components; Grey: Newly deployed third-party components; Orange: External components*
+
+{: .box-note}
+For simplicity, interactions regarding authentication flow are omitted. Please refer to the [Ingestor](https://github.com/SwissOpenEM/Ingestor) for a detailed description.
+
+{: .box-note}
+For a detailed view of the situation at ETHZ, please refer to the documentation of the [ETHZ Archiving Service](https://www.openem.ch/ScopeMArchiver/).
+
+## Open Source Projects
+
+For detailed instructions and documentation of the individual components, refer to the respective repositories.
+
+| Project                                 | Link                                                                                                             |
+|-----------------------------------------|------------------------------------------------------------------------------------------------------------------|
+| Ingestor                                | [https://github.com/SwissOpenEM/Ingestor](https://github.com/SwissOpenEM/Ingestor)                               |
+| Depositor                               | [https://github.com/SwissOpenEM/Depositor](https://github.com/SwissOpenEM/Depositor)                             |
+| SciCat Frontend                         | [https://github.com/SwissOpenEM/scicat-frontend](https://github.com/SwissOpenEM/scicat-frontend)                 |
+| SciCat Backend                          | [https://github.com/SciCatProject/scicat-backend-next](https://github.com/SciCatProject/scicat-backend-next)     |
+| SciCat CLI                              | [https://github.com/paulscherrerinstitute/scicat-cli](https://github.com/paulscherrerinstitute/scicat-cli)       |
+| ETHZ Archiving Services                 | [https://github.com/SwissOpenEM/ScopeMArchiver](https://github.com/SwissOpenEM/ScopeMArchiver)                   |
+| Golang Globus transfer library          | [https://github.com/SwissOpenEM/globus-transfer-request](https://github.com/SwissOpenEM/globus-transfer-request) |
+| Metadata Extraction - Life Sciences     | [https://github.com/SwissOpenEM/LS_Metadata_reader](https://github.com/SwissOpenEM/LS_Metadata_reader)           |
+| Metadata Extraction - Material Sciences | [https://github.com/SwissOpenEM/MS_Metadata_reader](https://github.com/SwissOpenEM/MS_Metadata_reader)           |
+| OSC-EM format converters                | [https://github.com/osc-em/converter-JSON-to-mmCIF](https://github.com/osc-em/converter-JSON-to-mmCIF)           |
+| OSC-EM Schema                           | [https://github.com/osc-em/OSCEM_Schemas](https://github.com/osc-em/OSCEM_Schemas)                               |
 
 ### External links
 
-- [SwissOpenEm Projects](/outreach#opensourceprojects)
 - [SciCat Development Guide](https://scicatproject.github.io/documentation/Development/)
 
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