Free and Open Source, Distributed, RESTful Search Engine

Ghidra is a software reverse engineering (SRE) framework

Open Source Identity and Access Management For Modern Applications and Services

a fast, scalable, multi-language and extensible build system

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

A Java serialization/deserialization library to convert Java Objects into JSON and back

Learn Low Level Design (LLD) and prepare for interviews using free resources.

A fast dependency injector for Android and Java.

Modular and customizable Material Design UI components for Android

Quarkus: Supersonic Subatomic Java.

Apache Pulsar - distributed pub-sub messaging system

Style and Grammar Checker for 25+ Languages

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

A configuration as code language with rich validation and tooling.

Continuous Inspection

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

MCP Server for Ghidra

Barcode Scanner Libraries for Android

Yet another unofficial (and ugly) cross-platform MEGA downloader/uploader/streaming suite.

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.

Downloads albums from the web in bulk for archive purposes

Maestro: Netflix’s Workflow Orchestrator

Simple Binary Encoding (SBE) - High Performance Message Codec

Deep Learning (Python, C, C++, Java, Scala, Go)

PlantUML Online Server

YAS: Yet Another Shop, a sample microservices project in Java

Modification of ZXING Barcode Scanner project for easy Android QR-Code detection and AR purposes