GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

High Performance Inter-Thread Messaging Library

A high performance caching library for Java

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.

Resilience4j is a fault tolerance library designed for Java8 and functional programming

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

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

Distributed Graph Database

A scalable, distributed Time Series Database.

Reactive Streams Specification for the JVM

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

Simple Binary Encoding (SBE) - High Performance Message Codec

High Performance data structures and utility methods for Java

Replicate your Key Value Store across your network, with consistency, persistance and performance.

AssertJ is a library providing easy to use rich typed assertions

Stream summarizer and cardinality estimator.

A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

Automated testing to find logic and performance bugs in database systems

Java large off heap cache

High Performance Primitive Collections for Java

functional, durable data structures

T.J. Watson Libraries for Analysis, with frontends for Java, Android, and JavaScript, and may common static program analyses

A cluster consistency platform

Hadoop library for large-scale data processing, now an Apache Incubator project

A record-oriented store built on FoundationDB

Multi-DBMS SQL Benchmarking Framework via JDBC

Control thread affinity for Java