Gradient by ShopFactory is a great tool for finding wonderful gradients, to use in your next project. It allows you to manipulate the gradients based on color, pigment and lightness.
A great tool that generates linear gradients, with the ability to customize each gradient, and download the CSS gradient code.
Dribbble Color is a wonderful tool that allows you to display all dribbble shots, based on certain colors.
The super fast color schemes generator! The Coolors app allows you to create, save and share perfect color palettes in seconds!