Apache Superset
Apache Software Foundation · BI & dashboards
Apache-licensed BI web application with SQL Lab, a no-code chart builder, dashboards and connectors to any SQLAlchemy-compatible database
Apache-2.0Open sourceFreeSelf-hostedNov 2, 2026
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Browsertrix
Webrecorder · Web archiving
Webrecorder's browser-based web archiving system, available hosted or self-hosted, that crawls sites with real browsers into signed WACZ files replayable with ReplayWeb.page
AGPL-3.0-onlyPaidEnterpriseSelf-hostedNov 2, 2026
D3
Observable, Inc. · Data visualization
Modular JavaScript library for bespoke, data-driven web graphics: scales, axes, shapes, layouts, geo projections, transitions and DOM selections
ISCOpen sourceFreeLocalNov 2, 2026
marimo
marimo (acquisition by CoreWeave announced October 2025) · Notebooks & interactive computing
Reactive Python notebook stored as a plain .py file that re-runs dependent cells automatically and doubles as a script or web app
Apache-2.0Open sourceFreeLocalSelf-hostedNov 2, 2026
Project Jupyter
Project Jupyter (NumFOCUS) · Notebooks & interactive computing
Open-source computational notebook ecosystem: the .ipynb format, kernels for Python, R and Julia, JupyterLab and Notebook interfaces and JupyterHub
BSD-3-ClauseOpen sourceFreeLocalSelf-hostedNov 2, 2026
Supabase
Supabase Inc. · Relational databases
Open-source backend platform built around a dedicated PostgreSQL database with auto-generated APIs, authentication, file storage, realtime subscriptions and edge functions
Apache-2.0Open sourceFreemiumSelf-hostedNov 2, 2026
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