Design

The 11 Best UI Kits and Themes Marketplaces to Improve Your User Interface Designs in 2023

A poorly designed user interface can make the user experience frustrating and difficult, leading to a high bounce rate and low engagement. Luckily, there are many great design resources that can help you create beautiful user interfaces for your app or website.

Sebastian Scheerer
Digital Product Designer | Serial Tech-Founder

The user interface (UI) of a website or application is one of the most important aspects for the overall user experience. A well-designed user interface can make it easy (and fun) for users to navigate and interact with the site or app. On the other hand, a poorly designed user interface can make the user experience frustrating and difficult, leading to a high bounce rate and low engagement. A poor design can, cost you thousands of dollars. Every year.

But ... What if you don't know how to create elaborate user interface designs yourself?

One way to elevate your UI designs is to use templates, UI kits, and themes. They can provide a great starting point for your designs, allowing you to quickly create professional-looking interfaces without having to start from scratch. In this article, we'll look at some of the best templates, UI kits, and themes that can help you elevate your UI design.

A word of caution

While using a UI kit or website template can be a great way to jumpstart the design process for an app or website, it's important to remember that it is not a silver bullet. There are a few potential pitfalls to be aware of when using a UI kit or template.

One potential pitfall is that using a UI kit or template can lead to a lack of originality in your design. If you simply use a template as-is, your app or website may end up looking similar to others that are using the same template. This can make your product less distinctive and less memorable to users.

Another potential pitfall is that using a UI kit or template can lead to a lack of flexibility in your design. While templates and UI kits can be helpful in providing a starting point, they may not always be a perfect fit for your product. You may need to make changes or customizations to the template to make it work for your specific use-case, and this can be difficult if the template is not flexible enough.

With that said, let's dive in to my favorite picks of ui kits, themes and templates.

1) Webflow Themes For Powerful Websites And Webapp

Webflow themes
Webflow Themes Library

Webflow is a powerful platform that allows you to create a custom website with 100% design freedom and powerful features like custom content types and e-commerce built right in. Many no-code tools also integrate with Webflow, making it a versatile platform that is constantly evolving.

One of the great things about Webflow is the wide range of free and paid themes available. These themes are beautifully designed and well-organized, and they can be a great starting point for almost any use-case. Using a Webflow theme is a great way to jumpstart your website and get up and running quickly.

One of the standout features of Webflow themes is their flexibility. You can easily customize and tweak the themes to match your branding and aesthetic. This is particularly useful for startups, as it allows you to quickly iterate and make changes to your website without having to start from scratch.

In addition to the free themes, Webflow also offers a range of paid themes that are even more robust and feature-rich. These themes are perfect for startups and businesses that need more advanced functionality and flexibility in their website.

Overall, I would highly recommend Webflow to any startup founder looking to build a professional and well-designed website. The platform's powerful features, wide range of themes, and integration with no-code tools make it a great choice for any startup.

2) Framer Templates

Framer Templates
Framer Templates

If you're a startup founder or a designer looking for high-quality website templates, then you should check out framer.com. They have a beautiful selection of free and paid templates that are easy to maintain and can be a great starting point for anyone building a new website.

Framer itself is an innovative ui and web design tool that has turned their solution into a fully fledged CMS with site hosting and more. This means you can use one tool to design, develop and host your website.

One of the standout features of Framer's templates is their aesthetic appeal. They are beautifully designed and have a modern, professional look and feel. Whether you're building a simple landing page or a complex e-commerce site, you'll find a template that suits your needs on framer.com.

Another great thing about framer's templates is that they are easy to maintain. All of the templates are well-organized and well-documented, which makes it easy to customize and update them as needed. This is particularly useful for startups, as it allows you to quickly iterate and make changes to your website without having to start from scratch.

In addition to the free templates, also offers a range of paid templates that are even more robust and feature-rich. These templates are perfect for startups and businesses that need more advanced functionality and flexibility in their website.

Overall, I would highly recommend  to any startup founder or designer looking for high-quality, easy-to-maintain website templates. Their selection of free and paid templates is second to none, and they are a great starting point for anyone building a new website.

3) UntitledUI

UntitledUI Ui kit
UntitledUI UI Kit

As a startup founder, I am always looking for ways to quickly create app and website designs without spending a lot of time and money on design. untitledUI.com has been a valuable resource for me.

One of the standout features of UntitledUI is the sheer size of their UI kit. It is comprehensive and covers a wide range of industries and topics. I was able to find a UI kit that was perfect for my needs and easily customize it to match my startup's branding. The UI kit is organized and easy to use, making the process straightforward.

In addition to the UI kit, UntitledUI also offers a range of design resources, including templates, icons, and more. I was able to find all the design elements I needed to quickly create app and website designs, saving me a lot of time and effort.

I appreciate the commitment to quality at untitledUI.com. All of their design resources are created by professional designers, and it shows in the final product. Their customer support is also impressive, providing helpful and timely assistance when I had a question about their UI kit.

Overall, I would recommend untitledUI.com to any startup founder or designer looking for a comprehensive UI kit to quickly create app and website designs. Their massive UI kit and design resources have been incredibly helpful for my own startup.

Delicious MacOS and Web App Icons From Superfounder.io

Delicious App Icons
Superfounder Delicious App Icons

Introducing Superfounder Delicious App Icons – an exclusive collection of aesthetically pleasing app icons for startups and SaaS founders. Whether you're looking to give your app the professional edge it deserves or want to create a cohesive and visually appealing user experience, Superfounder has got you covered.

These app icons are perfect for MacOS and Web applications, and come in ICNS, ICO, and PNG file formats. Unfortunately, they are not suitable for iOS apps, but they can still add value to your business.

With Superfounder Delicious App Icons, you have the option to purchase commercial rights or download them for personal use for free. This means that you can use them to enhance your own app or include them in any commercial products without worrying about copyright infringement.

Our collection features a wide range of beautifully designed app icons that are sure to impress. From minimalist and modern to colorful and fun, there's something for every type of app and business.

So why settle for a generic, boring app icon when you can have one that truly stands out? Give your app the icon it deserves. Get yours today and elevate your app to the next level.

4) Envato UI kits and themes

Envato UI kits
Envato UI kits

Envato is a popular marketplace for digital assets, including UI kits and templates. If you're a designer, developer, or entrepreneur in need of high-quality design resources, Envato is a great place to start.

One of the standout features of Envato is the sheer amount of choice on offer. Whether you're looking for a complete UI kit, individual design elements, or templates for specific platforms or purposes, you'll find it on Envato.

The quality of the assets on offer is also impressive. Envato has a rigorous review process, so you can be confident that anything you purchase will be well-designed and functional. Plus, with regular updates and new releases, you'll always have access to the latest and greatest design resources.

In terms of pricing, Envato offers a range of options. You can purchase individual assets or opt for a subscription that gives you access to a larger selection of assets. Prices are reasonable and there are often discounts and promotions available.

Overall, Envato is a great resource for designers and developers looking for high-quality UI kits and templates. With a wide range of options and competitive pricing, it's definitely worth checking out.

5) Bootstrap

Bootstrap Themes
Bootstrap Themes

One of the best sources of UI templates and kits is Bootstrap. Bootstrap is a popular open-source framework that provides a range of pre-designed components and layouts that you can use to quickly create responsive and mobile-friendly interfaces. The framework includes a variety of buttons, forms, navigation bars, and other UI elements that you can customize to fit your specific needs.

6) Google Material UI elements

Google Material Design Kit
Google Material Design Kit

Another great source of UI templates is Material Design. Developed by Google, Material Design is a design language that provides a consistent set of principles and guidelines for creating user interfaces. The Material Design website includes a range of templates and components that you can use to create clean, modern, and consistent UI designs.

7) TailwindUI

Tailwind UI
Tailwind UI

TailwindUI is a collection of professionally-designed, pre-built components and templates that make it easy to quickly create user interfaces for websites and applications. The kit is built on top of the popular CSS framework, Tailwind CSS, which provides a flexible and customizable foundation for building user interfaces.

One of the standout features of TailwindUI is its wide range of pre-designed components. The kit includes a variety of buttons, forms, navigation bars, and other UI elements that you can use to quickly build professional-looking interfaces. The components are easy to customize, allowing you to change colors, fonts, and other design elements to fit your specific needs.

In addition to its pre-designed components, TailwindUI also includes a range of templates for common user interface patterns. These templates provide a starting point for your designs, allowing you to quickly create interfaces for common website and app features such as landing pages, blog posts, and product listings. The templates are easy to customize, making it simple to create unique and professional-looking designs.

Overall, TailwindUI is an excellent choice for anyone looking to quickly and easily create user interfaces for websites and applications. The kit's pre-designed components and templates make it easy to build professional-looking interfaces, and the flexibility of Tailwind CSS allows for easy customization to fit your specific needs. If you're looking for a UI kit that can help you quickly create high-quality designs, TailwindUI is definitely worth considering.

8) Relume Webflow Components

Relume Webflow Component Library
Relume Webflow Component Library

As a founder or startup, building a professional-looking website quickly and efficiently is crucial. The right tools can make all the difference, and the Relume Webflow component library is a great option for anyone looking to build a website fast.

One of the standout features of the Relume Webflow component library is its wide range of pre-designed components. The library includes a variety of buttons, forms, navigation bars, and other UI elements that you can use to quickly build professional-looking interfaces. The components are easy to customize, allowing you to change colors, fonts, and other design elements to fit your specific needs.

Another great feature of the Relume Webflow component library is its compatibility with the popular Webflow platform. Webflow is a website builder that allows users to create and design responsive and mobile-friendly websites without writing any code. By using the Relume Webflow component library, you can easily add pre-designed components to your Webflow designs, allowing you to quickly and easily create professional-looking websites.

In addition to templates and kits, you can also use themes to elevate your UI designs. Themes provide a pre-designed look and feel for your website or application, allowing you to quickly create a cohesive and professional-looking interface. Some popular sources of themes include Bootswatch, Material Design for Bootstrap, and Flat UI.

9) UI8 - UI kits, themes, icons and more

UI8 Ui kits
UI8 UI kits

I recently came across ui8.com and was blown away by the quality of their pre-made templates, UI kits, and icons. As a founder of a startup, I was always on the lookout for high-quality design resources that would help me quickly prototype and iterate on my product without having to spend a ton of time and money on design.

UI8 has a great selection of beautifully designed templates and UI kits that cover a wide range of popular topics and industries. I was able to find a template that was perfect for my needs and easily customize it to match the branding of my startup. The templates are well-organized and easy to use, which made the whole process a breeze.

In addition to templates and UI kits, UI8 also offers a wide selection of icons that are perfect for startups. The icons are available in various formats and styles, and I was able to find ones that matched the look and feel of my product.

One of the things I really appreciate about UI8 is their commitment to quality. All of their design resources are carefully crafted by professional designers, and it shows in the final product. I was also impressed by their customer support, which was very helpful and responsive when I had a question about one of their templates.

In short, I would highly recommend UI8 to any founder or startup looking for high-quality design resources. Whether you're looking for templates, UI kits, or icons, UI8 has you covered.

10) Pegasus Design System

Pegasus UI Design System

Pegasus Design System is a comprehensive library of ui design elements and templates for Figma users. It offers a wide range of components, including buttons and forms, app components, data charts, typography, color palettes, custom icons, and styles and effects. This allows digital makers to quickly and easily create professional-looking designs with a consistent, cohesive aesthetic.

In addition to the individual components, Pegasus Design System also includes popular layout examples for both desktop and mobile. These include full landing pages, custom dashboards, native app screens, and signup and login pages, among others. This can provide inspiration and save time when creating designs for a variety of different applications.

One of the key benefits of using Pegasus Design System is the ability to achieve production-level, pixel-perfect consistency in your designs. This can help to ensure that your designs look professional and are easy to use. Additionally, the UX testing that has been performed on the system can help to ensure that your designs are user-friendly and intuitive.

Overall, Pegasus Design System offers a valuable tool for digital makers looking to save time and create professional-looking designs with consistent, cohesive aesthetics. Whether you are working on a landing page, dashboard, or mobile app, Pegasus Design System has the components and templates you need to create beautiful, functional designs.

11) UI Prep

UI Prep UI System
UI Prep

UI Prep is a Figma design system that offers a wide range of components for creating professional-looking user interfaces. Each component has been optimized for fast, easy customization and long-term maintainability, making it a valuable tool for digital makers.

UI Prep is built with industry best practices in mind, incorporating elements from Figma, WCAG, and top UI frameworks such as Material Design, Bootstrap, and Ant Design. This ensures that the system is compliant with WCAG 2.1 accessibility contrast ratios and is easy to use and maintain.

One of the key features of UI Prep is its use of an 8pt base unit for all spacing and sizing. This allows for consistent, predictable layouts and makes it easy to create designs that are cohesive and aesthetically pleasing. Additionally, the system comes with light and dark themes to fit any type of project, and its components use Auto Layout to automatically adjust to different breakpoints and design requirements.

Overall, UI Prep is a well-thought-out design system that offers a wide range of components and is built with industry best practices in mind. Its use of an 8pt base unit, light and dark themes, and Auto Layout make it a valuable tool for creating professional-looking user interfaces.

Conclusion

Overall, using templates, UI kits, and themes can be a great way to elevate your UI designs. These tools provide a starting point for your designs, allowing you to quickly create professional-looking interfaces without having to start from scratch. By using the best templates, UI kits, and themes, you can improve the user experience and make your website or application stand out from the competition.