SingUI – compose modern front end with pure vanilla JavaScript

In plain words

SingUI is a front-end framework built with vanilla JavaScript for creating modern user interfaces. It enables developers to compose web components without relying on heavy libraries or frameworks. The tool is designed for developers who prefer working directly with JavaScript while maintaining clean, maintainable code structures. SingUI allows rapid prototyping and development of interactive web applications through a straightforward approach to component creation.

written from the facts on this page · September 2026

From the sources

SingUI usage demo

• OS
  Open-source Postman alternative with type safety2023 · recipeui.com · ▲275

  Hello! This is Jeane and Samuel and we’re building RecipeUI. RecipeUI is an open source Postman alternative that uses TypeScript to statically type and autocomplete requests. We built this because current API tools don’t deal with the fact that some APIs are just painful to work with. For us, it’s usually error after error as we try to figure out how to properly form the first request. We recorded a demo to show you how TypeScript helps us autocomplete a request correctly. https://youtu.be/O_Mly_p-g5s How does our platform improve the developer experience? The analogy is…

• 
  BotUI2017 · ▲233

  A JavaScript framework to build conversational UIs 🤖

• 
  OpenUI2024 · github.com · ▲543

  Describe UI and see it rendered live

• 
  NextUI2022 · heroui.com · ▲493

  Beautiful, fast and modern React UI library

• 
  YoinkUI2025 · yoinkui.com · ▲340

  Copy any webpage's UI with 1 click

• 
  CraftUI2024 · expireddomains.com · ▲231

  Instantly craft stunning UI components from prompts

• 
  SimCity, but with Permits▲915

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 2d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 14d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 15d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 9d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 13d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 23d ago · space.bl2.net

• 
  Cron▲1,207

  Next-generation calendar for professionals and teams

  Work · 2021 · cron.com

• MW
  My wife is pregnant; naturally I made a baby-name app to prepare▲1,077

  Life & fun · 2021 · nomdebebe.app

• 
  I'm 48 and finally learning how to be a game developer▲985

  Dev tools · 2021 · apps.apple.com

• 
  Intercom for Startups▲976

  Eligible startups get Intercom features at a 95% discount

  Growth · 2021 · intercom.com

• 
  Long Range E-Bike▲876

  Life & fun · 2021 · jacquesmattheij.com

• 
  The New Gumroad▲767

  Sell what you know and see what sticks

  Growth · 2021 · gumroad.com