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  1. 01Breakscale's Retry Storm example: a top bar reading 100 requests per second offered, goodput 0/s, errors 100% and 118/s dropped, a canvas with Client → API Server → Database boxes showing the database 99.9% busy, and a handwritten-style explanation below

    Breakscale

    System-design simulator for learners

    Browser system-design simulator: build a topology, load it until it breaks, see why

    Use in the browser
    ★ 1.2k
    BACK CATALOGEDUCATION · GitHub · MIT · kept 2026.09.14
  2. 02The Edge-Drop shelf open at the screen edge: text, image and file cards stacked vertically, one being dragged into another app

    Edge-Drop

    Drag-out clipboard shelf for Windows

    Windows clipboard shelf on the screen edge — hover to open, drag items into any app

    Install to use
    ★ 566▲ 6 HN
    BACK CATALOGPRODUCTIVITY · Show HN · Apache-2.0 · kept 2026.09.14
  3. 03pdfcn docs landing page: 'Beautiful PDFs, made simple' above a pnpm install command box and a Get Started button.

    pdfcn

    PDF components for React developers

    Builds invoice and report PDFs from React components you paste in.

    Install to use
    ★ 1.8k▲ +32 / 7d
    DEV TOOLS · GitHub · MIT · kept 2026.09.14