Open-source projects built with Next.js
Open-source and self-hostable projects whose repository uses Next.js, as reported by GitHub.
- Excalidraw
A virtual whiteboard for sketching hand-drawn style diagrams, available as a web app and as an embeddable React component.
Stars134kLast commitOct 14, 2026LicenseMIT - Supabase
A Postgres-based backend platform that bundles a database, auth, auto-generated APIs, storage, realtime and edge functions, available hosted or self-hosted.
Stars112kLast commitOct 15, 2026LicenseApache-2.0 - Twenty
A modern open-source CRM you can self-host and extend through its API.
Stars58kLast commitOct 14, 2026LicenseAGPL-3.0 - Metabase
A business intelligence tool where people ask questions of their databases through a query builder or SQL and build dashboards.
Stars50kLast commitOct 15, 2026LicenseAGPL-3.0 - Cal.diy
The open-source community edition of Cal.com: a scheduling and booking-page tool you can self-host. It is MIT licensed; Cal.com itself has been closed source since April 2026.
Stars49kLast commitSep 26, 2026LicenseMIT - Payload
A TypeScript CMS and application framework that runs inside Next.js and generates an admin panel and APIs from one config.
Stars45kLast commitOct 14, 2026LicenseMIT - Umami
A self-hosted, privacy-focused web analytics tool that works without cookies.
Stars39kLast commitOct 14, 2026LicenseMIT - Medusa
A Node.js commerce platform with a built-in framework for building custom online stores, marketplaces and B2B commerce apps.
Stars37kLast commitOct 14, 2026LicenseMIT - Langfuse
An open-source platform for tracing, evaluating and managing prompts for LLM applications.
Stars36kLast commitOct 14, 2026LicenseMIT - Formbricks
An open-source survey and feedback tool for in-product and link surveys that you can self-host.
Stars13kLast commitOct 14, 2026LicenseAGPL-3.0
