apache

Pocket-sized JavaScript database that runs in browsers and Node.js, with built-in CouchDB sync — offline-first apps without backend code.

Open-source Q&A platform for teams — community forums, help centers, and knowledge bases. A self-hosted alternative to Stack Overflow for Teams.

Apache's authorization library supporting ACL, RBAC, ABAC, and other access-control models across 10+ programming languages.

Apache's open-source charting and data visualization library for the browser, with SVG/Canvas rendering and a wide range of chart types.

A modern, enterprise-ready business intelligence web application that provides no-code chart building, a powerful SQL editor, and beautiful data visualizations. Supports nearly any SQL database and offers a lightweight semantic layer for defining custom dimensions and metrics.