Best Free Open-Source Analytics Software

Column-store database management system

Open-source web analytics that puts your data back in your hands

Scalable real‑time search and analytics engine for any data

AI‑enhanced diagramming directly in your browser

Free and open-source HTML Dashboard UI Kit built on Bootstrap

Lightweight C++/Python library for fast 3D data processing and rendering

Open‑source crypto tax calculator for wallets, exchanges and explorers

Geospatial analysis for large-scale data sets

Real-time global monitoring and alerting system

Business intelligence for everyone

The SQLite for Analytics

Simple, easy-to-use analytics

Record and replay the web

The web app for all your data manipulation and decoding needs

Web-based point of sale system for small businesses

Interactive charting and data visualization library

Real-time analytics and hybrid search database for AI agents

Fast Query Engine for DataFrames

Open-source dashboarding for data teams

A lightweight, self‑hosted dashboard that unifies feeds and widgets on a single page

Self‑hosted dashboard for managing AI coding agents

Open-source telemetry dashboard for UART, BLE, MQTT, Modbus, CAN and more.

Web‑based SCADA/HMI dashboard for real‑time process visualization

Generate diagrams and flowcharts from text