Open source. Open possibilities.

deck.gl is a GPU-powered visualization framework designed for high-performance rendering of large-scale data sets using WebGL2 and WebGPU.

FiftyOne is an open-source tool for building high-quality datasets and computer vision models. It enables users to visualize, label, evaluate, and curate visual AI data.

Excelize is a pure Go library for reading and writing Microsoft Excel spreadsheets in XLAM, XLSM, XLSX, XLTM and XLTX formats. It supports Excel 2007+ files, chart and image insertion, complex spreadsheet components, and a streaming API for large worksheets.

plotly.py is an interactive, open-source, browser-based graphing library for Python, built on plotly.js. It provides 30+ chart types, works in Jupyter notebooks, standalone HTML, and Dash apps, and is MIT licensed.

Redash is a browser-based data exploration and visualization tool that allows users to query, visualize, and share data from various SQL and NoSQL sources.

D3 is a free, open-source JavaScript library for visualizing data. Built on web standards with a low-level approach, it renders dynamic, data-driven graphics using SVG, Canvas and HTML, and serves as a foundation for many higher-level chart libraries.

Plotly.js is a standalone JavaScript data visualization library used to create a wide variety of interactive charts and graphs.

Kepler.gl is a high-performance, open-source geospatial analysis tool designed for the visual exploration of large-scale geolocation datasets.

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.

TCRcloud is a visualization and comparison tool for Adaptive Immune Receptor Repertoire (AIRR) data, supporting both T-cell and B-cell receptor transcripts.

RAWGraphs is an open-source web tool for creating custom vector-based data visualizations from tabular data, built on d3.js. It runs entirely in the browser with no server-side processing, and exports editable SVG output.

Metabase is an open-source business intelligence and embedded analytics tool designed to allow users to query data and create dashboards without requiring SQL knowledge.