The Hypersistence Utils library (previously known as Hibernate Types) gives you Spring and Hibernate utilities that can help you get the most out of your data access layer.

Example Vaadin project available at vaadin.com/start

Lightweight desktop screen recorder for Windows.

An unofficial API for the trading platform Degiro, with the ability to get real time data and historical data

An unofficial API for the trading platform Degiro, with the ability to get real time data and historical data

Serverless proxy for Spark cluster

an experimental stream processing engine

REST job server for Apache Spark

A docker image for Apache Archiva

Java library enabling really simple creation of interactive command-line user interfaces

Qubole Sparklens tool for performance tuning Apache Spark

🎓 Path to a free self-taught education in Computer Science!

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Toturials coming with the "data science roadmap" picture.

Small Docker image with Java 8+ runtime (JRE ~119MB) and devkit (JDK ~167MB)

📈 Capturing JVM- and application-level metrics. So you know what's going on.

typeahead.js is a fast and fully-featured autocomplete library

KISS (Keep-It-Simple-Stupid) CI Server

Run your own OCR-as-a-Service using Tesseract and Docker

Scripts to build your own IPsec VPN server, with IPsec/L2TP, Cisco IPsec and IKEv2

Play Module for Jongo http://jongo.org/

Apps/CLIs/configs I use on macOS/iOS. Fish, Karabiner, Cursor..

A little tool to play with Windows security

[outdated/deprecated] My rules coding for HTML, CSS and JavaScript development

Beaker Extensions for Jupyter Notebook

A curated list of awesome Go frameworks, libraries and software

Streisand sets up a new server running your choice of WireGuard, OpenConnect, OpenSSH, OpenVPN, Shadowsocks, sslh, Stunnel, or a Tor bridge. It also generates custom instructions for all of these s…

Pure terminal stock ticker for Windows.

An authentication & authorization platform for service-oriented architectures.

Java monitoring for the command-line, profiler included