Policy and data administration, distribution, and real-time updates on top of Policy Agents (OPA, Cedar, ...)

Complete 2022 to 2015 entries for the annual Advent of Code challenge, written in concise idiomatic functional Scala.

The official repository for the Rock the JVM ZIO course

Integrate some of the best JSON libs in Scala with Akka HTTP

Scala solutions for Advent of Code

Advent of Code solutions of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 and 2025 in Scala

Generic Serdes with Circe for Kafka Streams

♞ lichess.org: the forever free, adless and open source chess server ♞

Smart touch typing learning with instant key glow indications, live statistics, live graphs and dynamic course creation.

https://doi.org/10.5281/zenodo.5163263

A JavaScript PDF generation library for Node and the browser

Former repository of MongoDB Scala driver. Official Scala driver can now be found here: https://github.com/mongodb/mongo-java-driver

An Introduction to Statistical Learning (James, Witten, Hastie, Tibshirani, 2013): Python code

Create graphics with a hand-drawn, sketchy, appearance

Collection of custom elements that appear hand drawn. Great for wireframes or a fun look.

A complete browser-based card matching game (also known as Concentration)

Web Audio Modules (WAMs) API

A huge collection of SVG logos

Codelab

Old Polymer site. Replaced by these repos: polymer-project.org, polymer-library-docs

Our original Web Component library.

JavaScript 3D Library.

A curated list of SVG.

A tearable cloth simulation using vertlet integration.

JavaScript library to make drawing animation on SVG

Online G-Code simulator, controller code for STM32F4-Discovery and google chrome extension to send the code to it.