Repository Index

Model-rocketry aerodynamics and trajectory simulation software

• aerospace
• flight-simulator
• java
• modeling

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

• database
• graph-database
• graph
• gremlin

This light-weight library provides images with letter/text like the Gmail app. It extends the Drawable class thus can be used with existing/custom/network ImageView classes. Also included is a fluent interface for creating drawables and a customizable ColorGenerator.

Combine ViewPager and Animations to provide a simple way to create applications' guide pages.

• animation
• viewpager
• guidepageview

Unirest in Java: Simplified, lightweight HTTP client library.

Simple, high-performance event-driven HTTP client+server for Clojure

• clojure
• async
• websockets
• http-server

Java MQTT lightweight broker

• broker
• mqtt
• java
• moquette

JeroMQ is a pure Java implementation of the ZeroMQ messaging library, offering high-performance asynchronous messaging for distributed or concurrent applications.

• jeromq
• libzmq
• messaging
• networking

A Tinder-like Android library to create the swipe cards effect. You can swipe left or right to like or dislike the content.

Material Design ProgressBar with consistent appearance

• android
• android-library
• material-design
• progress-bar

Navigation tab strip with smooth interaction.

• navigation
• devlight
• ui
• android

An easy-to-use BI server built for SQL lovers. Power data analysis in SQL and gain faster business insights.

• business-intelligence
• sql
• dashboard
• data-visualization

🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.

• kafka
• rest
• server-sent-events
• streaming-api

Provides support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

• ddd
• java
• mongodb
• spring

waveview for android

XChart is a light-weight Java library for plotting data.

Java version of the Playwright testing and automation library

• playwright
• java

High performance Java reflection

StackGres Operator, Full Stack PostgreSQL on Kubernetes // !! Mirror repository of https://gitlab.com/ongresinc/stackgres, only accept Merge Requests there.

• postgres
• postgresql
• kubernetes
• kubernetes-operator

Hollow is a java library and toolset for disseminating in-memory datasets from a single producer to many consumers for high performance read-only access.

A high available,high performance distributed messaging system.

Elegant parsing in Java and Scala - lightweight, easy-to-use, powerful.

A lightweight, cross-platform file manager with a dual-pane interface

• hacktoberfest

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

• java
• java-mail
• outlook
• batch-processing