Google Keep
Need to finish a to-do? Set a time-based reminder to make sure you never miss a thing. Create, share, and work together on notes and lists. Make to-do lists, transcribe voice memos, take photos as reminders, and more. Quickly filter and search for notes by color and other attributes like lists with images, audio notes with reminders or just see shared notes. Keep works on your phone, tablet and computer. Everything you add to Keep syncs across your devices so your important stuff is always with you.