In which language Whatsapp is built?

Whatsapp is based on Erlang, a programming language designed for scalable systems with real-time high availability requirements. From the beginning of WhatsApp, Erlang seemed like the perfect fit. Erlang is simple but highly functional and supports automatic memory allocation for improved performance. Also, Erlang is able to detect failures within other processes or other computers. Their servers use the FreeBSD operating system.

Free BSD operating system is used in variety of platform which focuses on speed, features and stability.

In which language linux mint is developed?

Linux mint is developed in Python. Scripts which run in terminals or in the backgrounds are usually either written in Bash(tbd) or in Python. Some software applications and most configuration tools are also written in Python. The advantage of Python is that it is easy to learn and fast to develop with.

Android:

• Android is a mobile operating system developed by Google.
• It is based on a modified version of the linux kernel and other open source software.
• Android is written in C, C++ and Java(UI).

user interface (UI) is the series of screens, pages, and visual elements—like buttons and icons—that enable a person to interact with a product or service.

• Andy Rubin founded Android. In 2005 Google acquired android Incorporation.
• Android is the nick name of Andy Rubin given by coworkers.

Open library:

Open Library is a universal catalog for book metadata. Our goal is to create a web page for every book ever published. We call it “Open Library” because it is a collaborative open source initiative, which means that anyone can use and contribute to the Open Library catalog. In this way, Open Library opens the doors to the places where you can find the book you’re looking for.

Wayback Machine:The Wayback Machine is a digital archive of the World Wide Web founded by the Internet Archive, a nonprofit based in San Francisco, California.

Created in 1996 and launched to the public in 2001, it allows the user to go “back in time” and see how websites looked in the past.

Google in 2001

Mozilla common voice contribution: