This desktop UI kit has a great use of colours that really stands out. This is what Windows start menu should really look like.
This a great dashboard for a job summary, the different graphs work really well together. Source: Dribbble
Great UI Kit for a finance iOS app. Love the dark colours and candlestick charts. Source: UI8
A great set of colourful UI Elements for your next project Source: UI8
This is a great set of music inspired line icons that a free to download. Source: freebiesbug.com
It just goes to show that even something as mundane as VPN can look sexy! Source: Dribbble
When all else fails go black. This is great but very dark UI kit. Source: Creative Market
Great colours used in this web dashboard by Balraj Chana Source: Dribbble
If I ever create a mobile app I will definitely be using this as inspiration for my landing page. Source: Behance
This is a really cool SEO tool UI I found on pinterest. Unfortunately I think the company went under as I can’t find the original source. Still a great design though.