Lockcard - a new Dictionary

What it does

Traditional dictionaries help you search words, but fail to make you retain them. ⠀ Lockcard is designed so that for every word you search, you are tested on how well you remember them over time, via quiz notifications. Download Lockcard now, it's free!

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  Cardy2019 · ▲64

  A simple and easy to use flashcard app to learn vocabulary

• 
  4Cards2017 · ▲158

  A beautiful app to learn four great English words every day

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  Language Vocabulary Flashcards2023 · ▲135

  18 languages, works offline with audio & images

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  WordDeposit App2020 · ▲81

  A pocket vocabulary for any language you want to learn.

• 
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  A simple iOS app to learn new words

• 
  Vocabs2024 · ▲127

  Your personal vocabulary curator on Android

• TL
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  Scroll through all 43252003274489856000 Rubik's Cube states▲295

  Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.

  Life & fun · 26d ago · everycube.alen.is

• 
  Expeditione▲265

  The Interactive 3D Encyclopedia

  Life & fun · 21d ago · expeditione.fun

• 
  Eigendrum - Draw any shape and hear what it sounds like as a drum▲243

  Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…

  Life & fun · 26d ago · baselashraf81.github.io

• LC
  Lofi.cafe▲1,192

  Life & fun · 2021 · lofi.cafe

• 
  Mighty▲935

  Make Chrome faster and use 10x less memory

  Work · 2021 · playgroundai.com

• 
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• 
  Butter▲848

  All-in-one tool for the smoothest virtual workshops 🧈

  Work · 2021

• 
  Landing Page Checklist▲810

  Build your landing page with these 100+ tools

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• PF
  PDFs from HTML▲742

  Life & fun · 2021 · pdf.math.dev