Which of the following applications are built on top of open-source digital platforms?

1.Aadhaar

2.Adobe Reader

3.CoWIN

A1, 2 & 3

B1 & 2 only

C2 & 3 only

D1 & 3 only ✓ Correct

Correct answer: (D) 1 & 3 only

Explanation

Aadhaar and CoWIN were built on open-source digital platforms, while Adobe Reader is proprietary.

Statement 1 Aadhaar runs on open-source stacks for enrolment and authentication.

Statement 2 Adobe Reader is closed commercial software owned by Adobe.

Statement 3 CoWIN, the vaccination platform, was built on open-source technology.

Open-source code can be freely inspected, modified and reused by developers.

India Stack promotes such open digital public infrastructure at population scale.

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