Data Engineering Zoomcamp is a free 9-week course on building production-ready data pipelines. The next cohort starts in January 2026. Join the course here 👇🏼

A free mini-course about Open-Source LLMs

A free, hands-on course on using AI developer tools to build, test, deploy, extend, and audit software without losing engineering discipline. The 2026 cohort starts August 31.

Free MLOps course from DataTalks.Club

AngularJS Learning Playground ( with Twitter bootstrap, Google maps API, TDD using Karma runner )

Simple Binary Encoding (SBE) - High Performance Message Codec

Free and Open Source, Distributed, RESTful Search Engine

Design patterns implemented in Java