Druid is a column-oriented open-source distributed data store written in Java.

Spark is a lightweight web application framework inspired by Ruby's Sinatra. DO NOT USE FOR QUESTIONS ABOUT APACHE SPARK.

The rgdal package for R provides bindings to the Geospatial Data Abstraction Library (GDAL) and access to projection/transformation operations from the PROJ.4 library.

An F# type provider is a component that provides types, properties, and methods for use in your program. Type providers are a significant part of F# 3.0 support for information-rich programming. The key to information-rich programming is to eliminate barriers to working with diverse information sources found on the Internet and in modern enterprise environments.

NEAR Protocol - a sharded, developer-friendly, proof-of-stake public blockchain

Non-fungible token - snippet of data (on a blockchain), used to certify properties of digital assets, e.g. creator or owner of an image.

In Kotlin coroutines, a Flow is a stream of asynchronously computed values. Use this tag when you're having problems building, transforming or consuming flows.

For issues specific to the version 5.2 of Rails. If your question applies to Ruby on Rails in general, use the tag [ruby-on-rails].

Play is based on a lightweight, stateless, web-friendly architecture and features predictable and minimal resource consumption (CPU, memory, threads) for highly-scalable applications.

Waypoints is a library that allows code to be executed whenever the user scrolls to a specific point on the page.

Apple OS X Developer API : NSScrollView class is the central coordinator for the Application Kit’s scrolling machinery