Obscura 3

A camera app for iPhone photographers

What it does

An iPhone camera app for pros, enthusiasts and amateurs. A gorgeous design packed full of features.

TL
The load-bearing vocabulary of Claude▲703
Life & fun · 10d ago · louisabraham.github.io
iPhone app takes simultaneous images from 2 lenses, fuses into 1 photo▲329
Photosynthesis fires two of your iPhone
Life & fun · 28d ago · photosynthesis.camera
SoloUno▲310
Take control of hair pulling, nail biting & skin picking
Life & fun · 28d ago · solouno.io
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

Bardeen▲1,286
One-click automations for your repetitive tasks
Growth · 2022 · bardeen.ai
S2
SHA-256 explained step-by-step visually▲1,241
Life & fun · 2022 · sha256algorithm.com
E1
EdgeDB 1.0▲947
Life & fun · 2022 · edgedb.com
Medusa▲894
The open-source Shopify alternative
Dev tools · 2022 · medusajs.com
Help Ukraine Win▲890
Trusted ways to help Ukraine stop Russian aggression
Life & fun · 2022
First 100 Users▲883
100 ideas for your startup's first 100 users
Growth · 2022 · first100users.com