Top ELT GitHub Repositories & Tools (2026)

High performance self-hosted photo and video management solution.

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 280+ one-click services on your own servers.

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Configuration Management Platform for Radarr/Sonarr

Create beautiful applications using Go

React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Typesafe APIs Made Simple 🪄

AI-powered Storybook story generator — works with any framework, any design system, any LLM provider

Drop-in Apache Spark replacement written in Rust, unifying batch processing, stream processing, and compute-intensive AI workloads.

Free, open source, WakaTime-compatible coding time tracker

Self-hosted mail server for your own domain: SMTP/IMAP/POP3, CardDAV/CalDAV, React webmail and admin console, one-command Docker Compose.

The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.

web development, streamlined

Apache Doris is a real-time analytics and hybrid search database for AI agents.

Flink CDC is a streaming data integration tool

Unstyled, accessible UI components for your design System. Works in React, Vue, Solid, and Svelte.

The cross-browser extension framework.