Notion, Evernote, Obsidian, Scrivener, Different Calendars, Microsoft tools, online apps, a million to-do lists, habit trackers, and schedulers both paid and free. Only four stuck to this day — Table of contents: General purpose note-taking & storing information — Notion Advanced note taking(research, etc) — Obsidian Time management(scheduling, calendar, etc) — Fantastical Task manager — Todoist General purpose note-taking — Notion