Rapid Reward - Online Quiz App

What it does

Turn your free time into valuable rewards while enjoying entertaining and interactive content. With daily opportunities, exciting gameplay, and a variety of quizzes, Rapid Reward – Online Quiz App guarantees fun for everyone.

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  I'm 15 and building a live quiz app for classrooms: Quickz2022 · quickz.org · ▲304

  Quickz is the future of live quizzes! Quickz is a multiplayer quiz game that creates an engaging learning experience.

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  Quick Quiz2016 · expireddomains.com · ▲67

  A widget based quiz game that's always ready to entertain!

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  Uknow-A quiz App2025 · uknowui.vercel.app · ▲8

  A quiz App to earn instant cash rewards with your skills

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  Quiz Genius AI2024 · quizgeniusai.com · ▲9

  build educational quizzes in seconds with AI

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  QuizPig2022 · ▲8

  100% free quiz app for iOS and Android

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  QuizUpNov 2025 · play.google.com · ▲8

  A fun quiz trivia game with leaderboard raking

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  SimCity, but with Permits▲926

  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

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  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

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  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

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  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

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

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

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  I made an open-source laptop from scratch▲3,237

  Hello! I'm Byran. I spent the past ~6 months engineering a laptop from scratch. It's fully open-source on GH at: https://github.com/Hello9999901/laptop

  Dev tools · 2025 · byran.ee

• TI
  Tetris in a PDF▲1,289

  I realized that the PDF engines of modern desktop browsers (PDFium and PDF.js) support JavaScript with enough I/O primitives to make a basic game like Tetris. It was a bit tricky to find a union of features that work in both engines, but in the end it turns out that showing/hiding annotation "fields" works well to make monochrome pixels, and keyboard input can be achieved by typing in a text input box. All in all it's quite janky but a nice reminder of how general purpose PDF scripting can be. The linked PDF is all ASCII so you can just open it in a text editor, or have a look at…

  Life & fun · 2025 · th0mas.nl

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  21st.dev▲1,211

  I originally built this app to organize and reuse interesting React + Tailwind components I came across on Twitter, inspired by the shadcn/ui approach. Later, a friend started contributing their own components, and it got me thinking—this could grow into something bigger, like an NPM for design engineers to share and use components. Would love to hear your thoughts!

  Dev tools · 2025 · 21st.dev

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  JoggAI 2.0: AI Avatar Generator▲967

  Create lifelike, personalized AI avatars from text prompts

  AI · 2025 · jogg.ai

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  Lovable + Builder.io▲873

  Turn Figma designs into full stack apps with AI

  Dev tools · 2025 · figma.com

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  Cs16.css – CSS library based on Counter Strike 1.6 UI▲819

  CSS library based on Counter Strike 1.6 UI.

  Life & fun · 2025 · cs16.samke.me