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

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

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

AWS Service registry for resilient mid-tier load balancing and failover.

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

JanusGraph: an open-source, distributed graph database

Open-Source Subscription Billing & Payments Platform

Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.

Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance

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

TLC is a model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.

An open source clone of Amazon's Dynamo.

A High Dynamic Range (HDR) Histogram

Please visit https://github.com/h2oai/h2o-3 for latest H2O

Feature-filled Bittorrent client based on the Azureus open source project

The conformance checker for EPUB publications

A large-scale entity and relation database supporting aggregation of properties

Top-level domain name registry service on Google Cloud Platform

A port of the Processing visualization language to JavaScript.

ZooKeeper co-process for instance monitoring, backup/recovery, cleanup and visualization.

Distributed Systems Labs and Framework

DDlog is a programming language for incremental computation. It is well suited for writing programs that continuously update their output in response to input changes. A DDlog programmer does not w…

A Java package to automatically detect anomalies in large scale time-series data

Etherpad Open-Source Repository

Brave Link Bubble Browser

NOTE: This repo (The Clojure programming language) has moved:

Backblaze Reed-Solomon Implementation in Java

Enables full-text searching of CouchDB documents using Lucene

MacroBase: A Search Engine for Fast Data