> For the complete documentation index, see [llms.txt](https://ethereals-blockchain.gitbook.io/ethereal-chain-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ethereals-blockchain.gitbook.io/ethereal-chain-documentation/runtime-facilities.md).

# Runtime Facilities

- [Native Programs](https://ethereals-blockchain.gitbook.io/ethereal-chain-documentation/runtime-facilities/native-programs.md)
- [Sysvar Cluster Data](https://ethereals-blockchain.gitbook.io/ethereal-chain-documentation/runtime-facilities/sysvar-cluster-data.md)