Top ELT GitHub Repositories & Tools (2026)

Fully customizable AI chatbot component for your website

WarpDrive is the lightweight data library for ambitious web apps — universal, typed, reactive, and ready to scale.

Open Source CRM for Startups and enterprises. Django + SvelteKit · Self-hosted · Multi-tenant · Free forever

Glyd - Fast lossless compression algorithm

❤️ Fredy - [F]ind [R]eal [E]state [D]amn Eas[y] - Fredy keeps searching for new apartments, houses, and flats in Europe on platforms like ImmoScout24, Immowelt, eBay Kleinanzeigen and instantly delivers the results to you via Slack, Telegram, Email, Discord or ntfy, so you can focus on the more important things in life ;)

OLake - Fastest Databases, Kafka & S3 Replication to Apache Iceberg with Table optimization (Called OLake Fusion). ⚡ Efficient, quick and scalable data ingestion for real-time analytics. Supported sources : Postgres, MongoDB, MySQL, Oracle, MSSql, DB2, Kafka, S3.

Apache XTable (incubating) is a cross-table converter for lakehouse table formats that facilitates interoperability across data processing systems and query engines.

Svelte Meta Tags provides components designed to help you manage SEO for Svelte projects.

Feature rich, native desktop, YouTube Music client. Tauri + Rust + SvelteKit, ad-free playback through libmpv, Last.fm scrobbling and Discord Rich Presence, no Electron.

Create, adapt, schedule, and track social posts. Open-source, hosted or self-hosted.

Internationalization library built for SvelteKit.

The data-validation toolkit for enhanced dbt (data build tool) PR review

Home automated terrarium/aquarium or other enclosed environment with a Raspberry Pi

Generate TypeScript definitions and component documentation for your Svelte components

ArcaneChat for Android: ⚡ Fast encrypted chats for the family

Powerful local Word Processor for docx and odt. Free, Open Source, Private by Design

Rust-powered Svelte ecosystem

AtroPIM is a flexible, highly configurable, modular, open-source product information management (PIM) system that extends the AtroCore data management and system integration platform.

Modern Accessible WYSIWYG rich text editor built as a framework-agnostic Web Component that works everywhere.

Open Source Cloud Native Ingestion engine