A collection of open-source projects demonstrating my coding style, architectural decisions, and engineering practices.
/* A lightweight, production-ready Spring Boot starter library for feature flag management. Allows controlling features globally or per user, managing flags at runtime via REST API, and tracking usage with Micrometer metrics. Supports multiple storage backends: in-memory, JPA, Redis, MongoDB, or custom. Published to Maven Central. */
/* Dedicated to Logback Classic. A lightweight library for masking PII and sensitive data in application logs. Works as a Logback layout extension, supporting JSON, key-value, and custom log formats. Offers full mask and shortcut mask strategies with built-in ReDoS protection. Published to Maven Central. */
/* Dedicated to logback-logstash. A lightweight library for masking PII and sensitive data in application logs during JSON serialization. Supports JSON, key-value, and custom log formats with full mask and shortcut mask strategies. Includes built-in ReDoS protection with configurable regex timeout. Published to Maven Central. */
/* A website about cats. Contains a food requirement calculator, articles in Polish, and information about charity organizations. */
/* A comprehensive reference hub covering AI, JVM, Backend, Frontend, Infrastructure, and Architecture topics. Organizes curated resources into browsable, filterable categories — from models and frameworks to microservices, DDD, and cloud platforms. */
/* A command-line tool that calculates contribution statistics across multiple Git repositories using JGit and generates comprehensive reports. Includes per-contributor breakdowns of commits, lines added/removed, files changed, production vs. test code, and project distribution. Supported formats: HTML, CSV, PDF. */