Category Tabs for Google Keep - Better organize your Google Keep Notes
Songlink - Share music with anyone.
Gone - An ephemeral to-do list
humit - A social networking app for music sharing and discovery.
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.
aux.app - A free web-based music platform to play music from other popular online streaming services.