Sinatra

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Invention

Domain

Science and technology

Knowledge cost

2

In collections

1 player has it in their collection.

What Wikipedia says

Sinatra is a free and open-source software web application library and domain-specific language written in Ruby. It is an alternative to other Ruby web application frameworks, such as Ruby on Rails, Merb, Nitro, and Camping. It is dependent on the Rack web server interface. It is named after musician Frank Sinatra.

Excerpt from the Wikipedia article “Sinatra (software)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Alex devel1, CC BY-SA 4.0, via Wikimedia Commons.