Minimum Viable Products (MVPs) and Proof of Concepts (PoCs) are some of the quickest ways to make ideas more tangible and to experiment with new technologies (relatively speaking). Albeit on a smaller scale, here's where I put some of mine.
A simple React Native app per Pluralsight course by Richard Monson-Hafael
JavaScript 3
Getting started with Conventional Commits
JavaScript 2
An umbrella project for a medley of shareable libraries & apps