Skip to content
View kroepke's full-sized avatar

Organizations

@Graylog2

Block or report kroepke

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
109 stars written in Java
Clear filter

Free and Open Source, Distributed, RESTful Search Engine

Java 76,524 25,842 Updated Apr 14, 2026

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

Java 48,336 7,595 Updated Apr 14, 2026

Netty project - an event-driven asynchronous network application framework

Java 34,914 16,255 Updated Apr 14, 2026

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…

Java 24,458 4,697 Updated Dec 17, 2025

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

Java 21,548 1,787 Updated Apr 14, 2026

A high performance caching library for Java

Java 17,594 1,681 Updated Apr 14, 2026

The official home of the Presto distributed SQL query engine for big data

Java 16,686 5,532 Updated Apr 14, 2026

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Java 15,011 657 Updated Apr 14, 2026

Java Native Access

Java 8,907 1,682 Updated Apr 13, 2026

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

Java 8,580 1,026 Updated Apr 14, 2026

Free and open log management

Java 8,004 1,100 Updated Apr 14, 2026

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

Java 7,519 2,250 Updated Apr 14, 2026

Runtime code generation for the Java virtual machine.

Java 6,805 845 Updated Apr 11, 2026

Apache Pinot - A realtime distributed OLAP datastore

Java 6,058 1,459 Updated Apr 14, 2026

Apache Calcite

Java 5,108 2,472 Updated Apr 14, 2026

Fork of tagtraum industries' GCViewer. Tagtraum stopped development in 2008, I aim to improve support for Sun's / Oracle's java 1.6+ garbage collector logs (including G1 collector)

Java 4,636 993 Updated Dec 6, 2025

A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others

Java 3,850 586 Updated Apr 5, 2026
Java 3,819 586 Updated Apr 2, 2026

Micro second messaging that stores everything to disk

Java 3,723 562 Updated Mar 30, 2026

Simple Binary Encoding (SBE) - High Performance Message Codec

Java 3,429 573 Updated Apr 7, 2026

Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.

Java 3,280 460 Updated Dec 28, 2025

High Performance data structures and utility methods for Java

Java 3,178 435 Updated Apr 7, 2026

jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Ot…

Java 2,837 376 Updated Jan 6, 2025

Java rate limiting library based on token-bucket algorithm.

Java 2,738 316 Updated Apr 12, 2026

Java agent that enables class reloading in a running JVM

Java 2,719 513 Updated Apr 7, 2022

Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...

Java 2,517 709 Updated Apr 14, 2026

JeroMQ is a pure Java implementation of the ZeroMQ messaging library, offering high-performance asynchronous messaging for distributed or concurrent applications.

Java 2,444 487 Updated Nov 30, 2025

A High Dynamic Range (HDR) Histogram

Java 2,308 269 Updated Jun 27, 2024

Enhancing Java Stream API

Java 2,282 256 Updated Aug 30, 2025

Stream summarizer and cardinality estimator.

Java 2,266 556 Updated Nov 28, 2019
Next