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High Performance Inter-Thread Messaging Library

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

Apache Doris is an easy-to-use, high performance and unified analytics database.

The ZAP by Checkmarx Core project

Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code

Apache Druid: a high performance real-time analytics database.

APM, (Application Performance Management) tool for large-scale distributed systems.

A configuration as code language with rich validation and tooling.

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

Code for Quartz Scheduler

Apache Pinot - A realtime distributed OLAP datastore

High Performance data structures and utility methods for Java

Paper is a fast NoSQL-like storage for Java/Kotlin objects on Android with automatic schema migration support.

Transactional messaging for microservices

Wallet CLI

🦎 A multi-protocol edge & service proxy. Seamlessly interface web apps, IoT clients, & microservices to Apache Kafka® via declaratively defined, stateless APIs.

Artio - Resilient High-Performance FIX and FIXP Gateway

Firehose is an extensible, no-code, and cloud-native service to load real-time streaming data from Kafka to data stores, data lakes, and analytical storage systems.

Dagger is an easy-to-use, configuration over code, cloud-native framework built on top of Apache Flink for stateful processing of real-time streaming data.

Ian's Collected code examples from the O'Reilly Java Cookbook & elsewhere

Smithy code generators for Go (in development)

The Keystone hardware wallet application for multi-coin

10 Java One Liners to Impress Your Friends

MIT 6.824 Spring 2018 Final Project - A distributed game framework - demo is on top of Minecraft

Clone of Good Reads using Spring and Cassandra

Flight booking services