Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

The Python programming language

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

120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.

A curated list of awesome mathematics resources

OpenFeature specification

A bridge between Lichess bots and chess engines

irwin - the protector of lichess from all chess players villainous

An aggregated data set of chess opening names

Using engines running outside of the browser on https://lichess.org/analysis