poliastro is a pure Python library which provides an elegant and powerful API to solve for astrodynamics and orbital mechanics problems. The community behind the project is very active, making the software to be constantly improved and updated.
If you would like to contribute to the project, please join the official chat to introduce yourself to the rest of the project members. You can find more information in the contributing guide on how to setup your own development environment. Finally, you can address some of the issues posted in the issues board.