Dev tools · alternatives · 2026

24 alternatives to Foundation Building Blocks

Free library of coded UI components to jumpstart development

Foundation Building Blocks is a free library of pre-coded UI components designed to accelerate web development. It provides developers with ready-made interface elements that can be integrated into projects, reducing… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Foundation Building Blocks launched in 2017; newer entries below may have overtaken it.

1. 1
   Blocks by Cosmic▲101

   Data infused components for building websites and apps

   2024 · blocks.cosmicjs.com · its alternatives →

2. 2
   Foundation 6▲322

   Get your sites from prototype to production

   2015 · get.foundation · its alternatives →

3. 3
   Subframe▲756

   The best way to build UI, fast

   2024 · subframe.com · its alternatives →

4. 4
   Ready UI▲264

   200+ Bootstrap UI blocks to create beautiful websites

   2021 · readyui.co · its alternatives →

5. 5
   Bubble▲1,409

   Build a fully functional web app without any code

   2015 · bubble.io · its alternatives →

6. 6
   Bubble Component Library▲192

   Pre-built UI for no-code apps

   2022 · bubble.io · its alternatives →

7. 7
   Preline UI v2.0▲315

   Build faster with Preline UI, a free and open-source Tailwind CSS UI component library with Pro blocks, templates, plugins, framework guides, and Figma.

   2024 · preline.co · its alternatives →

8. 8
   Bubble + Blockspring▲279

   Build web applications, with your data, without code

   2015 · its alternatives →

9. 9
   BuildBlocks▲191

   Discover user-curated resources for niche no-code problems

   2021 · its alternatives →

10. 10
    SaaS Blocks UI Kit▲294

    UI kit for startups to create the perfect SaaS website

    2021 · swipe.page · its alternatives →

11. 11
    EasyFrontend▲593

    700+ UI components with editor

    2024 · easyfrontend.com · its alternatives →

12. 12
    Webflow Flexbox UI Builder▲444

    Build flexible, responsive layouts - without writing code

    2016 · flexbox.webflow.com · its alternatives →

13. 13
    Built Without Code▲257

    A collection of web and mobile apps built without code

    2017 · bubble.io · its alternatives →

14. 14
    CodeUpStart▲298

    Learn to code by building real apps from zero to launch

    2016 · codeupstart.com · its alternatives →

15. 15
    Bubble 2.0▲400

    Build and host web applications without having to write code

    2018 · its alternatives →

16. 16UA
    UIBox – A Curated HTML, CSS, JS UI Component Library▲118

    2013 · uibox.in · its alternatives →

17. 17
    blocks.so▲61

    Open-source UI library built with React, Tailwind and shadcn

    Nov 2025 · blocks.so · its alternatives →

18. 18
    UI Builder for shadcn/ui▲242

    React component for a visual way to create UIs

    2024 · github.com · its alternatives →

19. 19
    The Pattern Library▲307

    Free to use patterns by awesome designers

    2014 · thepatternlibrary.com · its alternatives →

20. 20
    UI Foundations Kit▲94

    Beautifully designed, React components for MUI

    2022 · kit.uifoundations.com · its alternatives →

21. 21
    Base UI Sketch Framework▲263

    Huge set of everything you need to design and prototype

    2017 · its alternatives →

22. 22
    PATTTTERNS▲129

    Build your FREE UI Library based on real UX-UI patterns.

    2021 · patttterns.com · its alternatives →

23. 23
    WebComponents.dev▲101

    The modern IDE for web platform developers

    2020 · webcomponents.dev · its alternatives →

24. 24
    Method 4▲192

    Start with react-components and get landing page that works

    2020 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →