Index is the perfect app for storing your lists and tasks, it supports!
Lists:
✅ lists with color, name and emoji
✅ categories inside lists
✅ items in list can be marked as completed
✅ items can store a link that's then quickly usable
✅ items can contain markdown content
✅ create tasks from list items
Tasks:
✅ priority
✅ due dates
✅ add as many reminders as you need
✅ subtasks
✅ view completed tasks
✅ connect tasks to list items
Additionally:
✅ Completely free
✅ Passionate developer, open to suggestions and bug reports
Index is in a pretty much alpha page still, feel free to checkout the roadmap at https://index-it.app/roadmap