What is a Programming Language?

A programming language is a formal computer language, which comprise of scripts, or other sets of instructions for computers to execute. There are many languages out there, and they all share similarities. However, each has its’ own syntax.

Block Knowledge Programming Language

Our Top 5 programming Languages for 2021

Take a look at some of our favorite popular programming languages. At Block Knowledge, we have built several apps with one or a combination of these languages.
If you do partake in our Karatu fellowship, you are sure to go hands-on on one or all of these languages.

Javascript Logo


It is hard to argue that Javascript is the world’s core programming language. It is usable for both backend and frontend programming. JavaScript is even made better by awesome frameworks that aren’t actually programming languages themselves but might as well be. Eg ReactJs.



Python is powerful, yet a simple to learn programming language. Python is usable across many applications and can be great for beginners and professionals alike. Python is one of the official languages in use by Google! Other Tech Giants using Python include Facebook, Instagram, Netflix, Mozilla, Reddit, Microsoft, etc.

Java logo


You think this is old right? But as at 2021, it is still a core programming language. Given its stability, updates, ease of use, and large community of developers, Java will continue to be a top popular programming language.

Ruby on Rails Logo


Many Silicon Valley unicorns have been built on Ruby, including Airbnb, Twitch, GitHub, and Twitter. Start-ups are so fond of the lanuguage because it has an incredibly simple beautiful syntax. Another reason is that it takes less time than other frameworks to get a web application up and running. Its’ downside though is that is difficult to maintain at scale due to its’ dynamic nature.

Flutter Logo


Dart, or should i say Flutter, is a modern relatively simpler way to create mobile applications. Released by Google in 2011, Dart is a champion in growing popularity right now, with the Flutter UI toolkit recently released. Dart is very flexible on the way it is compiled and executed. And the best part, it is cross platform. Used to create web, android and iOS apps, all at once.

Is your favorite on this list? If yes, tell us why it is your favorite programming language. And if it is not on this list, please share with us so that we can also check it out!

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