OpenTelemetry observability backend running in Node.js

Infobip Remote MCP Servers Documentation

An open-source, code-first Java toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

A plain-text prompt for LLMs that teaches the essence of elegant coding and testing—save it to ~/.claude/CLAUDE.md.

Library for seamless navigation and querying of XML documents

Create JUnit 5 temporary directories under target/ instead of the system temp directory

Object-oriented java Excel library

Ktor web application with user and content management

A true object-oriented implementation for PDF document generation

Object-Oriented wrapper to JDBC

YTsaurus is a scalable and fault-tolerant open-source big data platform.

A example of clean architecture in Java 8 and Spring Boot 2.0

Conductor is a microservices orchestration engine.

A Saga execution coordinator implementing a micro-process manager

Axon Framework demo application focused around a simple giftcard domain.

Interactive visualization of the Gremlin graph database with D3.js

Hotel booking application - Demo - Axon Framework & Axon Server

Minimalist & lightweight startpage inspired by iOS

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

A draggable and resizable grid layout with responsive breakpoints, for React.

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue,…

Aqueduct is a Java library for graph theory.

React components for Chart.js, the most popular charting library

React components and demo for the Tabler UI theme.

Tabler is free and open-source HTML Dashboard UI Kit built on Bootstrap

Presentations I give

A fast, lightweight and more productive microservices framework

Release your Java application and publish artifacts