Open source. Open possibilities.

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.

DouK-Downloader is a tool for downloading and collecting data from Douyin and TikTok works, supporting batch downloads of videos and images, comment data collection, and live stream address acquisition with terminal, Web API, and Docker deployment options.

testssl.sh is a free, open-source command-line tool that scans servers for TLS/SSL cipher, protocol, and cryptographic flaw support on any port. It requires no installation, works across Linux, macOS, BSD, and Windows environments, and outputs results in human-readable, CSV, JSON, or HTML formats.

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+.

yq is a portable command-line processor for YAML, JSON, XML, CSV, TOML, HCL, and properties files, using a jq-like syntax.

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.

An open-source multi-tool for exploring and publishing data by turning SQLite databases into interactive websites and APIs.