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

Netty project - an event-driven asynchronous network application framework

a fast, scalable, multi-language and extensible build system

OpenRefine is a free, open source power tool for working with messy data and improving it

The Metadata Platform for your Data and AI Stack

Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, R…

Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter

(DEPRECATED) Plugins for use with PhoneGap.

Copybara: A tool for transforming and moving code between repositories.

Docker container orchestration platform

Apache Atlas - Open Metadata Management and Governance capabilities across the Hadoop platform and beyond

Elassandra = Elasticsearch + Apache Cassandra

An open source event analytics platform

A networking framework that evolves with your application

An open source data gateway

Twitter Kit for Android

Scheduler (HTTP API and webapp) for running Mesos tasks—long running processes, one-off tasks, and scheduled jobs. #hubspot-open-source

Extensible Scheduler for Mesos Frameworks

A Java audio library, designed to be used with Processing.

A relational database with SQL support built on FoundationDB

Universal HTAP Engine

Apache Aurora - A Mesos framework for long-running services, cron jobs, and ad-hoc jobs

A tool that translates augmented markdown into HTML or latex

Titus is the Netflix Container Management Platform that manages containers and provides integrations to the infrastructure ecosystem.

Mesos Cloud Jenkins Plugin

OSM in memory

Amazon ECS Scheduler Driver

Improved Secondary Indexing with new Query Capabilities (OR, scoping) for Cassandra