Jupiter is a small tool for life planning, meaning goals management, task tracking, habit building, metrics tracking, etc.
The current version adds a bunch of magic to Notion.so - an already existing and great productivity app which is a sort of cross between Trello, Jira, and Confluence. The “magic” is just a bunch of conventions on how work is organized. There is a growing set of CLI scripts for maintaining these conventions and automating such things like recurring task creation, task archival, etc.
Here's a picture from it:
Follow the tutorial or go on to read the full docs to get a feeling for what the application can fully do!