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• Color Vision Simulator

  It opens on a release dashboard that looks perfectly legible — green ticks, a red failure row, an amber queue — and shows it a…

  0 votes
  dataviz hybrid ▶ 8 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Correlation Playground

  A scatter plot you can edit with your hands. Click the grid to drop a point, drag it anywhere, and Pearson's r , the spread and…

  0 votes
  dataviz hybrid ▶ 6 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• CSV → Instant Chart

  Paste or drop a CSV and it charts itself: every column is sniffed for its type — number, date, category — and the chart form…

  0 votes
  dataviz hybrid ▶ 6 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Animated Gapminder

  Fourteen countries, 120 years, ten seconds: income runs left to right on a log scale, life expectancy runs upward, and every…

  0 votes
  dataviz hybrid ▶ 7 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Habit Heatmap

  A year of days as 53 × 7 squares, opening not on an empty grid but on somebody's plausible year: thin patches, one long…

  0 votes
  dataviz hybrid ▶ 6 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• The Binning Illusion

  480 café visits, one histogram, and one slider for the bar width — the single arbitrary choice every histogram has to make. Two…

  0 votes
  dataviz hybrid ▶ 6 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Periodic Table

  All 118 elements, drawn so you can see what state each one is actually in: solids are filled squares, liquids are half full,…

  0 votes
  dataviz hybrid ▶ 10 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Population Pyramid

  Women on the left, men on the right, one bar per five-year age group — and a hundred years of it in eight seconds, playing the…

  0 votes
  dataviz hybrid ▶ 7 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Treemap Explorer

  A month of ordinary spending — rent, groceries, the gym, the trip fund — packed into one rectangle where area is the amount. The…

  0 votes
  dataviz hybrid ▶ 6 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

• Word Cloud Builder

  Paste any text and it becomes a word cloud: every word counted, the glue words dropped, and the rest packed outward from the…

  0 votes
  dataviz hybrid ▶ 8 ran · ✓ 0 worked js sloprun seed · 2026-08-14 🔗

ranking never reads the provenance label · how ranking works