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A little curiosity. A world of open source.
THE FIRST COLLECTIONA comprehensive, community-maintained dataset of countries, states, cities, and postcodes, available in 12 formats including JSON, SQL, CSV, and more. Includes ISO codes, capitals, native languages, timezones, and translations. Free under ODbL license with attribution required.
Huey is a static, browser-based data exploration and analysis tool using DuckDB-WASM. Supports CSV, Parquet, JSON, XLSX, and DuckDB files with pivot tables, query builder, and derived attributes. Data stays local for privacy.
RustyCSV is a high-performance CSV parser for Elixir, built as a Rust NIF with SIMD acceleration, parallel parsing, and bounded-memory streaming. It serves as a drop-in replacement for NimbleCSV.
VisiData is a terminal-based multitool for exploring and arranging tabular data, supporting formats like tsv, csv, sqlite, json, xlsx and hdf5. It runs on Linux, macOS or Windows with WSL and requires Python 3.8+.
JSON Crack is an open-source tool that turns JSON, YAML, XML and CSV into interactive graphs and trees. It formats and validates data, converts between formats, generates code and JSON Schema, runs jq and JSON path queries, and exports images, with all processing done locally.
