byro is a membership administration tool for small and medium sized clubs/NGOs/associations of all kinds, with a focus on the DACH region. While it is still a work in progress, it is already usable and in active use.
Please refer to the installation documentation.
byro provides a rich API for plugins. See our developer documentation if you want to write a plugin. If you want your plugin to be officially recognized or listed here, please open an issue or a pull request.