> For the complete documentation index, see [llms.txt](https://docs.hydrosphere.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hydrosphere.io/master/resources/reference/libraries.md).

# Libraries

Hydrosphere exposes libraries that can be used to interact with services. We use these libraries internally, but you can also use them to implement integrations.

## Python

Protobuf compiled messages and services: <https://pypi.org/project/hydro-serving-grpc/\\>
Software Development Kit: <https://pypi.org/project/hydrosdk/\\>
Command Line Interface: <https://pypi.org/project/hs/>

## Scala

Protobuf compiled messages and services: <https://search.maven.org/search?q=a:serving-grpc-scala\\_2.13>

## Java

Protobuf compiled messages and services: <https://search.maven.org/search?q=a:serving-grpc-java-11>

## Protobuf

API and entities: <https://github.com/Hydrospheredata/hydro-serving-protos>