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Lakekeeper is an Apache-Licensed, secure, fast and easy to use Apache Iceberg REST Catalog written in Rust.

Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.

Quarkus: Supersonic Subatomic Java.

Apache Iceberg

Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included

Java annotation processor to create immutable objects and builders, for records too. Sweep boilerplate code under the rug!

Common Expression Language for Java

A cross platform way to express data transformation, relational algebra, standardized record expression and plans.

C++ based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

The command-line tool for quick, simple deployment and management of Linux dedicated game servers.

Nessie: Transactional Catalog for Data Lakes with Git-like semantics

Apache Iceberg

Demos for Nessie. Nessie provides Git-like capabilities for your Data Lake.

Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics

The best way to write secure and reliable applications. Write nothing; deploy nowhere.

K8ssandra is an open-source distribution of Apache Cassandra for Kubernetes including API services and operational tooling.

K8ssandra is a collection of Helm charts for running Apache Cassandra on Kubernetes in production.

Horizontal Pod Autoscaler operator for Kubernetes. Annotate and let the HPA operator do the rest.

An open source data gateway

RESTful / Secure Management Sidecar for Apache Cassandra

Source Code for Go In Action examples

A history of edits to the US Constitution as it has been amended. Written in markdown to match original formatting.

Duzzt - Annotation-based Embedded DSL Generator for Java

RxJava 4.x extra sources, operators and components and ports of many 1.x companion libraries.

Apache TinkerPop - a graph computing framework

The Kotlin Programming Language.

A curated list of awesome Kotlin related stuff Inspired by awesome-java.

Java large off heap cache

Useful classes for writing automated tests with JUnit 4