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

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

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

Apache Pinot - A realtime distributed OLAP datastore

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)

Stream summarizer and cardinality estimator.

ZooKeeper client wrapper and rich ZooKeeper framework

Secor is a service implementing Kafka log persistence

The Standard Webhooks specification

A distributed system designed to ingest and process time series data

Thread-safe collections for Ruby (merged with concurrent-ruby)

Streaming Histograms for Clojure/Java

Ruby implementation of noncriptographic hash Murmur3 (both native and pure ruby)

It counts