Top DATA-VISUALIZATION GitHub Repositories & Tools (2026)

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

The fastest path to AI-powered full stack observability, even for lean teams.

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

Apache Superset is a Data Visualization and Data Exploration Platform

Radzen Blazor is the most sophisticated free UI component library for Blazor, featuring 145+ native components including DataGrid, Scheduler, Charts, and advanced theming with full support for Material Design and Fluent UI. If Radzen Blazor is useful to you, a ⭐ on GitHub helps other Blazor developers find it.

📈 A small, fast chart for time series, lines, areas, ohlc & bars

VTable is not just a high-performance multidimensional data analysis table, but also a grid artist that creates art between rows and columns.

👾 AI-native Visual Analytics framework build for agents.

TreeMap is a fully downloadable app that can run on mac, windows, and linux. That visualizeses all of your disk-space into charts and square board. It also lets you delete unwanted files and opens files for you aswell.

Use CH-UI to work with your data from Click House self-hosted with a user-friendly interface. CH-UI is a modern and feature-rich user interface for ClickHouse databases. It offers an intuitive platform for querying ClickHouse databases, executing queries, and visualizing metrics about your instance.

Performance analytics, portfolio backtesting, risk analysis, and factsheet reporting in Python

Knowage is the professional open source suite for modern business analytics over traditional sources and big data systems.

Offline-first workout tracker for strength and cardio, with progress graphs, rest timers, and custom themes. Built with Flutter.

Force-directed graph as a ThreeJS 3d object

A library for visualizing gridded data 🌐

Capture and visualize the data that matters in your life

Citizen Intelligence Agency. Open-source intelligence platform analyzing Swedish political activities using AI and data visualization. Tracks politicians, government institutions, and parliamentary data, offering detailed insights, performance metrics, and advanced analytics.

The General Mission Analysis Tool (GMAT) is the world's leading enterprise, multi-mission, open source software system for space mission design, optimization, and navigation. The system supports missions in flight regimes ranging from low Earth orbit to lunar, libration point, and deep space missions. NOTE: Non-release tagged commits are AS IS.

Aggregate results from bioinformatics analyses across many samples into a single report.

Business intelligence as code: build fast, interactive data visualizations in SQL and markdown