Some design tools I use often

First of all, my main pain- colours:

1. Colour contrast checker
2. Colour palette generator
3. Pre-made palettes

Mostly I use the same icon pack, as it is more then enough for problem solving...

1. Google Material Icons

Random "Inspiration":

1. Dribbble
2. Landingfolio
3. Behance

Documentations and libraries (aka UI Kits):

1. Apple

If I will remember some more then will update this post.