Open Datasets

A searchable collection of open datasets for practice and projects. Use the search box to filter across all columns.

Last updated February 2026

datasets = FileAttachment("assets/data/open-datasets.csv").csv({ typed: true })

// Get unique categories for filter
allCategories = ["All", ...new Set(datasets.map(d => d.category).filter(c => c))]

viewof search = Inputs.search(datasets, {
  placeholder: "Search datasets...",
  columns: ["dataset", "notes", "category"]
})

viewof categoryFilter = Inputs.select(allCategories, {
  label: "Category",
  value: "All"
})

filtered = categoryFilter === "All" ? search : search.filter(d => d.category === categoryFilter)

md`**${filtered.length}** datasets ${filtered.length !== datasets.length ? "(filtered)" : ""}`

Inputs.table(filtered, {
  columns: ["category", "dataset", "notes"],
  header: {
    category: "Category",
    dataset: "Dataset",
    notes: "Notes"
  },
  width: {
    category: 120,
    dataset: 250,
    notes: 400
  },
  format: {
    dataset: (x, i, data) => {
      const row = filtered[i];
      return row?.url ? htl.html`<a href="${row.url}" target="_blank">${x}</a>` : x;
    }
  },
  sort: "dataset",
  rows: 25
})