data platform experience covering the full data lifecycle. It encompasses the Legend$-$Pure language and a suite of data management and governance tools known as the Legend Platform, which allows engineers and non$-$engineers alike to describe, connect, visualize, and query high$-$quality data. It was made available for anyone to use in October $2020.$ This launch followed the completion of the Legend Pilot, in which leading investment banks, such as Deutsche Bank, Morgan Stanley and RBC Capital Markets, used a shared version of Legend, hosted on FINOS infrastructure in the public cloud, to develop common data models that would enhance existing industry standards. This is an example of:

Question $7$ options:

a$)$

Feature Driven Development $($FDD$)$

b$)$

Dynamic System Development Method $($DSDM$)$

c$)$

Open Source Software Development $($OSSD$)$

d$)$

Outsourcing