Repositories list

• Chronicle-Queue

  Public
  Micro second messaging that stores everything to disk

  javaperformancequeue+ 3

  javaperformancequeuelow-latencychroniclepersistance

  Java

  •

  Apache License 2.0

  •565565 forks•3.7k3.7k stars•2121 issues•1212 pull requests•Updated May 1, 2026May 1, 2026

• Chronicle-Core

  Public
  Low level access to native memory, JVM and OS.

  Java

  •

  Apache License 2.0

  •136136 forks•630630 stars•55 issues•99 pull requests•Updated May 1, 2026May 1, 2026

• OpenHFT

  Public
  Parent module to include active modules

  Shell

  •

  GNU Lesser General Public License v3.0

  •185185 forks•694694 stars•00 issues•1313 pull requests•Updated May 1, 2026May 1, 2026

• Chronicle-Logger

  Public
  A sub microsecond java logger, supporting standard logging APIs such as Slf & Log4J

  Java

  •

  Apache License 2.0

  •6262 forks•238238 stars•11 issue•55 pull requests•Updated Apr 29, 2026Apr 29, 2026

• Chronicle-Map

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

  Java

  •

  Apache License 2.0

  •480480 forks•3k3k stars•2020 issues•88 pull requests•Updated Apr 29, 2026Apr 29, 2026

• Chronicle-Algorithms

  Public
  Java

  •

  Other

  •4343 forks•8686 stars•00 issues•11 pull request•Updated Apr 29, 2026Apr 29, 2026

• Chronicle-Test-Framework

  Public
  Java

  •

  Apache License 2.0

  •33 forks•2828 stars•11 issue•33 pull requests•Updated Apr 29, 2026Apr 29, 2026

• Zero-Allocation-Hashing

  Public

  OpenHFT/Zero-Allocation-Hashing’s past year of commit activity
  Zero-allocation hashing for Java

  javahashinghigh-performance+ 6

  javahashinghigh-performancemurmurhash3cityhashhash-functionsfarmhashxxhashopenhft

  Java

  •

  Apache License 2.0

  •139139 forks•843843 stars•1010 issues•1717 pull requests•Updated Apr 29, 2026Apr 29, 2026

• Java-Thread-Affinity

  Public
  Bind a java thread to a given core

  javacorelow-latency+ 2

  javacorelow-latencybindaffintiy

  Java

  •

  Other

  •369369 forks•1.9k1.9k stars•66 issues•99 pull requests•Updated Apr 29, 2026Apr 29, 2026

• Chronicle-Values

  Public
  Java

  •

  Other

  •3838 forks•112112 stars•11 issue•88 pull requests•Updated Apr 29, 2026Apr 29, 2026

• JLBH

  Public
  JLBH

  Java

  •

  Other

  •88 forks•8585 stars•22 issues•88 pull requests•Updated Apr 29, 2026Apr 29, 2026

• Posix

  Public
  Java

  •

  Other

  •33 forks•88 stars•44 issues•66 pull requests•Updated Apr 29, 2026Apr 29, 2026

• Chronicle-Bytes

  Public
  Chronicle Bytes has a similar purpose to Java NIO's ByteBuffer with many extensions

  Java

  •

  Apache License 2.0

  •8686 forks•432432 stars•11 issue•1212 pull requests•Updated Apr 29, 2026Apr 29, 2026

• Java-Runtime-Compiler

  Public
  Java Runtime Compiler

  Java

  •

  Other

  •147147 forks•700700 stars•55 issues•1414 pull requests•Updated Apr 28, 2026Apr 28, 2026

• Chronicle-Wire

  Public
  A Low Garbage Java Serialisation Library that supports multiple formats

  javayamlserialization+ 3

  javayamlserializationjsoncsvbinary

  Java

  •

  Apache License 2.0

  •134134 forks•587587 stars•2121 issues•1111 pull requests•Updated Apr 28, 2026Apr 28, 2026

• Chronicle-Threads

  Public
  Java

  •

  Other

  •6161 forks•196196 stars•11 issue•99 pull requests•Updated Apr 22, 2026Apr 22, 2026

• Chronicle-Analytics

  Public
  Support for Analytics

  Java

  •

  Apache License 2.0

  •99 forks•88 stars•22 issues•88 pull requests•Updated Apr 20, 2026Apr 20, 2026

• Chronicle-Salt

  Public
  Chronicle wrapper for the NaCl library

  Java

  •

  Apache License 2.0

  •1818 forks•3333 stars•00 issues•99 pull requests•Updated Apr 18, 2026Apr 18, 2026

• Chronicle-Queue-Demo

  Public
  Sample programs for Chronicle Queue

  Java

  •

  Apache License 2.0

  •5252 forks•7979 stars•55 issues•33 pull requests•Updated Feb 13, 2026Feb 13, 2026

• Chronicle-Decentred

  Public
  Framework for building Secure Scalable Microservices on Distributed Ledger Technology

  Java

  •

  Other

  •1616 forks•5353 stars•11 issue•00 pull requests•Updated Oct 8, 2024Oct 8, 2024

• Chronicle-Release-Notes

  Public archive
  Java

  •

  Apache License 2.0

  •11 fork•00 stars•33 issues•11 pull request•Updated Mar 6, 2024Mar 6, 2024

• Binary-Compatibility-Enforcer-Plugin

  Public
  Wraps the Java API ComplianceChecker into a maven plugin

  Java

  •

  GNU General Public License v3.0

  •55 forks•99 stars•11 issue•11 pull request•Updated Jan 30, 2024Jan 30, 2024

• Java-Lang

  Public archive
  Java Language support

  Java

  •

  Other

  •8282 forks•284284 stars•00 issues•11 pull request•Updated Aug 16, 2023Aug 16, 2023

• Chronicle-Websocket-Jetty

  Public archive
  Provide Websocket access via Jetty

  Java

  •

  Other

  •1717 forks•1818 stars•00 issues•00 pull requests•Updated Aug 15, 2023Aug 15, 2023

• Chronicle-Network

  Public archive
  A High Performance Network ( TCP/IP ) Library

  javasocketudp+ 4

  javasocketudpmarshaltcp-ipchroniclechronicle-network

  Java

  •

  Apache License 2.0

  •9090 forks•252252 stars•00 issues•00 pull requests•Updated Aug 7, 2023Aug 7, 2023

• Chronicle-Engine-GUI

  Public archive
  CSS

  •

  Other

  •1717 forks•1414 stars•00 issues•00 pull requests•Updated May 8, 2023May 8, 2023

• Microservice-Benchmark

  Public
  Open Microservices Benchmark

  Java

  •

  Apache License 2.0

  •44 forks•77 stars•00 issues•00 pull requests•Updated Aug 31, 2022Aug 31, 2022

• Stage-Compiler

  Public archive
  Java

  •

  GNU Lesser General Public License v3.0

  •77 forks•88 stars•11 issue•00 pull requests•Updated Aug 27, 2021Aug 27, 2021

• Puzzles

  Public
  OpenHFT Puzzles

  Java

  •

  Apache License 2.0

  •66 forks•1616 stars•00 issues•11 pull request•Updated Feb 2, 2021Feb 2, 2021

• RFC

  Public
  RFC's used by OpenHFT

  Apache License 2.0

  •2020 forks•2222 stars•00 issues•00 pull requests•Updated Jul 15, 2020Jul 15, 2020