> For the complete documentation index, see [llms.txt](https://docs.opencga.opencb.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.opencga.opencb.org/develop-2/components-1.md).

# OpenCGA Architecture

- [Catalog](https://docs.opencga.opencb.org/develop-2/components-1/catalog.md): Metadata and Clinical Data Database
- [Alignment and Coverage](https://docs.opencga.opencb.org/develop-2/components-1/alignment-and-coverage.md)
- [Variant Storage Engine](https://docs.opencga.opencb.org/develop-2/components-1/variant-storage.md)
- [Clinical Analysis](https://docs.opencga.opencb.org/develop-2/components-1/clinical.md)
- [Analysis Framework](https://docs.opencga.opencb.org/develop-2/components-1/analysis-framework.md)