Stars
RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
光 HikariCP・A solid, high-performance, JDBC connection pool at last.
The official home of the Presto distributed SQL query engine for big data
Source for the TechEmpower Framework Benchmarks project
Alluxio, data orchestration for analytics and machine learning in the cloud
Apache Pinot - A realtime distributed OLAP datastore
Open source version of Google Authenticator (except the Android app)
MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
Source-agnostic distributed change data capture system
High performance non-blocking webserver
Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project.
Android Graph Library for creating zoomable and scrollable line and bar graphs.
An open source multi-modal trip planner
A distributed data integration framework that simplifies common aspects of big data integration such as data ingestion, replication, organization and lifecycle management for both streaming and bat…
Facebook's Realtime Distributed FS based on Apache Hadoop 0.20-append
CloudSim: A Framework For Modeling And Simulation Of Cloud Computing Infrastructures And Services