Airtable 2020 by ts220 A spreadsheet-database hybrid, with the features of a database but applied to a spreadsheet.
Evernote 20202020 by ts220 Evernote is an app designed for note taking, organizing, task management, and archiving.
GoConqr 20202020 by ts220 Tool for Flashcards, Flowcharts, Notes, Slides, Quizzes, and Mind Maps, or combine them all to make a complete Course.
Khan Academy 20202020 by ts220 Practice exercises, instructional videos, and a personalized learning dashboard