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Life & fun · alternatives · 2026

Fastn is a JavaScript tool designed for building user interfaces. It provides developers with a framework to create interactive web applications. The tool has been available since 2015 and is suitable for anyone… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Fastn, a JavaScript tool for building user interfaces launched in 2015; newer entries below may have overtaken it.

  1. 1

    Faster user-land reimplementations for several common builtin native JavaScript functions. - codemix/fast.js

    2014 · github.com · its alternatives →

  2. 2
    Subframe▲756

    The best way to build UI, fast

    2024 · subframe.com · its alternatives →

  3. 3
    bolt.new▲1,230

    Build and scale high-performing websites & apps using your words. Join millions and start building today.

    2024 · bolt.new · its alternatives →

  4. 4

    A notebook for building interfaces with Tailwind & shadcn/UI

    2024 · layouts.dev · its alternatives →

  5. 5
    Frontend AI▲1,005

    Your UI generated from prompts or images

    2024 · its alternatives →

  6. 6

    faster.js is a Babel plugin that compiles idiomatic Javascript to faster, micro-optimized Javascript. - vzhou842/faster.js

    2018 · github.com · its alternatives →

  7. 7
    OpenUI▲543

    Describe UI and see it rendered live

    2024 · github.com · its alternatives →

  8. 8
    Page UI▲810

    High-converting landing page components to copy and paste

    2024 · pageui.shipixen.com · its alternatives →

  9. 9
    Micron.JS▲214

    A [μ] microInteraction library built with CSS and JavaScript

    2018 · webkul.github.io · its alternatives →

  10. 10

    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 →

  11. 11
    WeWeb▲537

    Create websites faster with a next-generation visual builder

    2021 · weweb.io · its alternatives →

  12. 12

    🌙 The minimal & fast library for functional user interfaces - kbrsh/moon

    2017 · github.com · its alternatives →

  13. 13

    View, interact & search 100s of Shadcn UI components

    2024 · shipixen.com · its alternatives →

  14. 14

    A few months ago, I benchmarked FastAPI on an i9 MacBook Pro. I couldn't believe my eyes. A primary REST endpoint to `sum` two integers took 6 milliseconds to evaluate. It is okay if you are targeting a server in another city, but it should be less when your client and server apps are running on the same machine. FastAPI would have bottleneck-ed the inference of our lightweight UForm neural networks recently trending on HN under the title "Beating OpenAI CLIP with 100x less data and compute". (Thank you all for the kind words!) So I wrote another library. It has been a while since I have…

    2023 · github.com · its alternatives →

  15. 15
    fastht.ml▲123

    Modern web applications in pure Python

    2024 · fastht.ml · its alternatives →

  16. 16

    Monkberry is blazingly fast, small 1kb and simple JavaScript library for building web user interfaces.

    2016 · monkberry.js.org · its alternatives →

  17. 17

    ⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API - iamkun/dayjs

    2018 · github.com · its alternatives →

  18. 18
    Reweb▲88

    The AI visual builder for Next.js, Tailwind & shadcn/ui

    2025 · reweb.so · its alternatives →

  19. 19
    hasty.dev▲146

    A JS Perfomance Tool

    2021 · hasty.dev · its alternatives →

  20. 20
    DisplayJS▲210

    A simple JavaScript framework for building ambitious UIs 😊

    2017 · display.js.org · its alternatives →

  21. 21

    Build real-time apps without maintaining the infrastructure

    2017 · its alternatives →

  22. 22
    Fast.io▲135

    A simple enterprise file delivery network that syncs

    2019 · fast.io · its alternatives →

  23. 23

    fasterDOM.js - faster DOM manipulation. Contribute to bndr/fasterDOM.js development by creating an account on GitHub.

    2013 · github.com · its alternatives →

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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 →