Designers love UI Kits. They’re a great way to explore ideas, and they’re a great palette cleanser after a difficult project. Another reason to love them is that they give us incredible insights into the minds of other designers, without a client complicating things. As such they’re a great way to spot trends as they develop. Today we’ve gathered together some of the very best UI Kits from the last month, together with some slightly older kits that plug a few gaps. All of these UI kits are free to download and you’ll find resources for Photoshop, Illustrator, and Sketch, amongst others. UI Kits are an especially good jumping off point for our own projects, so let’s jump in!

Oh no, not another UI Kit

A great flat UI kit with tons of elements, “Oh no, not another UI Kit” features simple line icons, straitforward layout and a cheeky sense of humor.

Flat UI Kit

A flat UI kit based on Twitter Bootstrap. Supplied in PSD format.

Retina UI web kit

A retina ready UI kit in which dark elements combine with Material Design colors for a powerful effect.

MixKit

A comprehensive UI kit with tons of pop culture colors.

Hero UI

Don’t be fooled by the name, this pseudo-flat UI kit is suitable for any number of projects, although it certainly gives off a comic book vibe.

Yosemite UI Kit

Designed exclusively for Sketch 3 this UI kit is perfect for mocking up Mac app screens.

L Bootstrap

This kit features over two dozen different PSDs, in the Android Lollipop style.

Basiliq

This unique UI kit is designed for prototyping, but will also give your finished designs a lovely hand-drawn feel.

Publica UI Kit

Publica is a comprehensive set of block-style UI elements ideally suited to responsive design.

Mini UI Kit

Designed for Sketch 3, the dark tones in this UI kit add an extra feel of sophistication.

Clino UI Kit

Clino UI Kit is a simple set of UI elements in PSD format, that will suit most modern design projects.

Quadruple Ferial

This UI kit is a perfect blend of minimalism and Google Material Design. It’s ideal for mobile projects.

Clean White

This sophisticated and sexy UI kit has more than 55 separate elements and is perfect for all manner of high-end design projects.

Eventray

Eventray is an amazing, comprehensive UI kit that beautifully executes Flat Design.

Number One UI Kit

This sports-based UI kit includes some great specialist UI elements like league tables, and individual sports icons.

Free Minimal UI Kit

This UI kit is based on the Twitter Bootstrap framework and is fully responsive.

Gumballz Web UI Kit

Gumballz Web UI Kit is a quirky, original take on the standard UI kit. Clean minimal design meets beach house colors.

Winter UI Kit

This UI kit has over 50 elements and icons, all supplied as scaleable vectors in PSD format.

eShop UI Kit

eShop UI Kit is a vibrant set of UI elements aimed squarely at ecommerce designers.

Free Combination UI Kit

With bold colors and simple Material Design inspired shapes, this UI kit is perfect for modern dashboard designs.

Free Android UI Kit

Free Android UI Kit gives you 8 sets of related elements for designing mobile apps.

Clean & Light Gradient UI Kit

This light dashboard UI kit features line icons and subtle gradients.

Personal Dashboard UI Kit

A bold and confident dashboard UI.

FooKit Web Footer PSD Kit

This UI kit is aimed at website footers. It includes social media links, site navigation, and more.

Boring Cards

Boring cards is a card based UI kit all designed around the golden ratio.

iPhone 6 UI Kit

The iPhone 6 UI Kit is designed for the latest version of Apple’s smartphone, but it works just as well for Android and Windows.