It's a really simple website which you can bookmark and go back to whenever you want, to paste or jot down any random notes you might want to whilst browsing the web.
TaskPaper - Plain text to-do lists for Mac
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Thrive - Thrive is an intuitive tool to manage your business using the latest trends in Project Management, Dashboards, Customer Relationship Management & Accounting
Buno - Simple Note Taking - Simple, minimal & easy note-taking
Simply.Digital - Goals & Tasks - Todo list to track your time & help set meaningful deadlines
Chars - Unicode Symbols Keyboard for iOS