Design patterns implemented in Java

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

🔥 Seata is an easy-to-use, high-performance, open source distributed transaction solution.

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Open-source IoT Platform - Device management, data collection, processing and visualization.

QuestDB is a high performance, open-source, time-series database

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

🚀 Ultimate Android Reference - Your Road to Become a Better Android Developer

Kafka Web UI

Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.

Electronic Circuit Simulator in the Browser

React Native BLE communication module

PlantUML Online Server

A hackable data integration & analysis tool to enable non technical users to edit data processing jobs and visualise data on demand.

Icon management for Mobile Apps. Create icons, generate all required sizes, label and annotate. Supports Native, Cordova, React Native, Xamarin and more. Inspired by cordova-icon.

This library is to take picture using camera without camera preview.

Android Library for communicating with physical-computing boards (e.g.Arduino, mbed)

Prompt & Conversation Management Middleware for Conversational AI APIs such as OpenAI ChatGPT, Facebook Hugging Face, Anthropic Claude, Google Gemini, Ollama and Jlama. Lean, restful, scalable, and…

Android LocationManager that delivers location predictions based on a Kalman filter.

Dynamic API, S3 & Mail mocking for web, mobile & microservice development.

Floating Action Menu for Android

An Android application for creating "pixel sorting" glitch art.

Example how to reduce React Native iOS build times drastically

Open library and examples for building and receiving commands networked input devices