# FDO SDK > SDK for building FlexDevOps desktop application plugins. ## Docs - [API STABILITY](https://docs.sdk.fdo.alexvwan.me/docs/API_STABILITY.md) - [ARCHITECTURE](https://docs.sdk.fdo.alexvwan.me/docs/ARCHITECTURE.md) - [EXAMPLES AND FIXTURES](https://docs.sdk.fdo.alexvwan.me/docs/EXAMPLES_AND_FIXTURES.md) - [EXTENSION POINTS](https://docs.sdk.fdo.alexvwan.me/docs/EXTENSION_POINTS.md) - [HOST PRIVILEGED ACTIONS CONTRACT](https://docs.sdk.fdo.alexvwan.me/docs/HOST_PRIVILEGED_ACTIONS_CONTRACT.md) - [INJECTED LIBRARIES](https://docs.sdk.fdo.alexvwan.me/docs/INJECTED_LIBRARIES.md) - [QUICK REFERENCE](https://docs.sdk.fdo.alexvwan.me/docs/QUICK_REFERENCE.md) - [RENDER RUNTIME CONTRACT](https://docs.sdk.fdo.alexvwan.me/docs/RENDER_RUNTIME_CONTRACT.md) - [SAFE PLUGIN AUTHORING](https://docs.sdk.fdo.alexvwan.me/docs/SAFE_PLUGIN_AUTHORING.md) - [SHAREPOINT PROVIDER HOST CONTRACT](https://docs.sdk.fdo.alexvwan.me/docs/SHAREPOINT_PROVIDER_HOST_CONTRACT.md) - [Basics](https://docs.sdk.fdo.alexvwan.me/getting-started/basics.md): Understand the fundamental SDK rules before building larger plugins. - [Learning Path](https://docs.sdk.fdo.alexvwan.me/getting-started/learning-path.md): Recommended order for learning the FDO SDK without getting lost in internals. - [Quickstart](https://docs.sdk.fdo.alexvwan.me/getting-started/quickstart.md): Build your first FDO SDK plugin with the smallest possible setup. - [Runtime Model](https://docs.sdk.fdo.alexvwan.me/guides/runtime-model.md): Understand backend runtime, iframe runtime, and the host boundary. - [FDO SDK](https://docs.sdk.fdo.alexvwan.me/index.md): SDK for building FlexDevOps desktop application plugins. ## OpenAPI Specs - [openapi](https://docs.sdk.fdo.alexvwan.me/api-reference/openapi.json)