Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Gemini workshop for Java developers, using the LangChain4j orchestration framework

21 Lessons, Get Started Building with Generative AI

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Definitions of DDD and fundamental concepts to reduce the learning curve and confusion

CQRS and Event Sourcing Koans

Flight rules for git

System76 Virgo Laptop Project

Clean Code concepts adapted for JavaScript

📚 Freely available programming books

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

50+ mini web projects using HTML, CSS & JS

Penkesu Computer - A Homebrew Retro-style Handheld PC

Rich, real-time user experiences with server-rendered HTML

🫁 The world's first open-source ventilator tested on human patients. Mass-producible at a low cost (~2000€).

the only cheat sheet you need

Hedera is an open-source, layer 1, EVM-compatible blockchain network. It supports smart contracts just like Ethereum does, and also offers several additional native services. The network is governe…

An implementation of the Swirlds Hashgraph - a fair, fast, replicated, Byzantine state machine

Distributed Consensus Middleware

Enable First Party Isolation Pref

Graph Databases support for JetBrains family IDEs.

Java Object-Graph Mapping Library for Neo4j

Mazerunner extends a Neo4j graph database to run scheduled big data graph compute algorithms at scale with HDFS and Apache Spark.

Neo4j Connector for Apache Spark, which provides bi-directional read/write access to Neo4j from Spark, using the Spark DataSource APIs

Graphs for Everyone

Neo4j Bolt driver for Java

A no-surprise Java model of the Swagger 2.0 specification

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Get started with Passbolt CE using docker!