Site Palette - Get the essential colours from any website
Patterns - Patterns is a simple yet powerful tool for working with regular expressions.
Sketch Palettes - Sketch plugin to save and load colors into the color picker
Palette - Discover fresh new color palettes based on emerging artists.
Colorion - Curated color palettes with search and tags support
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.