The package covers groupwise statistics, LSmeans, linear estimates, and general utilities: 1) Facilities for working with grouped data: 'do' something to data stratified 'by' some variables. 2) LSmeans (least-squares means), general linear estimates. 3) Restrict functions to a smaller domain. 4) Miscellaneous other utilities.

Spotipy is a lightweight Python library providing access to the Spotify Web API. It allows users to interact with a variety of Spotify services, including retrieving music data, accessing user-authorized endpoints, and interacting with playlists and tracks.

lightweight C-implementaiton for use on systems without systemd.

Voluptuous OpenAPI allows for the transformation of Voluptuous schemas into OpenAPI Schema objects. It supports custom serializers for processing custom validators, ensuring flexibility in schema definition. This facilitates a seamless integration between Voluptuous data validation and OpenAPI documentation generation.

Parsl extends parallelism in Python beyond a single computer.

The Todoist API Python client is an official implementation that provides access to the Todoist REST API. It allows for synchronous and asynchronous interactions with tasks, projects, and other Todoist services. Users can fetch, create, update, and delete tasks, manage projects, label tasks, and perform a variety of other operations supported by the Todoist API.