KeepNotes for Google Keep VS StyleNote Notes & Memos

GitJournal - Manage your Notes from any Git Repo.

Calendar Note by Enex - Calendar Note app allows users to view the calendar so they can write notes and memos according to dates to get alerts about tasks.

Category Tabs for Google Keep - Better organize your Google Keep Notes

FairNote - FairNote app allows users to increase their productivity and efficiency by writing notes and by making to-do lists, so they don’t forget any important task.

Taskito - Taskito app offers features that let you boost up your productivity by creating lists of tasks to keep track of all your projects and life goals.

Obsidian.md - A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.