Raindrop.io 3.0

What it does

Raindrop.io is the best place to keep all your favorite books, songs, articles or whatever else you come across while browsing. We're not trying to reinvent the wheel; we're working on a tool that does everything you expect from a modern bookmark manager.

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  RainDrop.io2014 · ▲146

  Smart bookmarks

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  Raindrop for Mac2015 · ▲155

  Mac app for bookmarking and reading it later

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  Linker2021 · ▲153

  Cloud based bookmark manager

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  Anybox2023 · ▲131

  Manage bookmarks like a pro

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  ArcmarkFeb 2026 · ▲216

  Your bookmarks, attached to any browser as a sidebar

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  Bookmark OS 2.02017 · ▲149

  Powerful bookmark manager with AI and a browser-based GUI

• TL
  The load-bearing vocabulary of Claude▲703

  Life & fun · 10d ago · louisabraham.github.io

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  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

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  SoloUno▲310

  Take control of hair pulling, nail biting & skin picking

  Life & fun · 28d ago · solouno.io

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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

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  Expeditione▲265

  The Interactive 3D Encyclopedia

  Life & fun · 21d ago · expeditione.fun

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  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

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  Startup Pitch Decks▲2,318

  Real decks from real startups that raised over $400M

  Growth · 2016 · cirrusinsight.com

• WF
  Wave function collapse algorithm▲1,226

  Life & fun · 2016 · github.com

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  Google Allo▲981

  Smart messaging app that helps you say more and do more.

  Work · 2016 · android.com

• PP
  Primitive Pictures▲894

  Life & fun · 2016 · github.com

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  Spectacles▲872

  Embedded camera sunglasses by Snapchat

  Work · 2016 · spectacles.com

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  AccessURL▲819

  Share access to accounts without sending a username/password

  Life & fun · 2016 · accessurl.com