The Howdy skills network branches over ten thousand application frameworks, computer languages, cloud services, and AI tools. Our pool of engineers can code websites and applications in just about every language on the planet, but these are ten of the most popular and in-demand computer languages in 2025.
Python
Consistently one of the most popular programming languages year after year since its 1991 release, Python is a high-level language that’s become even more relevant in the age of accelerated machine learning and big data. It’s a versatile language that will have a growing number of applications as the field of artificial intelligence continues to expand.
C++
A mainstay in the programming community for forty years, C++ has been used to develop video games, streamline ecommerce experiences, and maintain server and telecommunications hubs. Boasting a much more intense learning curve, C++ has been an integral language for graphics processing engines, database query systems, and design suites like Adobe.
Java
Initially designed for interactive television but finding itself way ahead of the technological curve for TVs, Sun Microsystems (now part of Oracle) reworked and redirected their new language for computers instead. What they created was a widely applicable method of translating data using byte code, and now Java can run on just about any system using the Java Virtual Machine.
CSS
A style sheet language that acts as one of the three major building blocks of our modern internet, CSS helps programmers visually display their data and includes a wide array of accessibility features. It’s structured so that design elements in a web page naturally cascade into the formatting for subpages, making it easier for programmers to show their data with visual consistency.
C#
Known for its versatility across programming mediums, C# is a programming language that built the Microsoft .NET framework, powers a huge chunk of online food ordering apps, and helped make games like Pokémon Go possible.
JavaScript
JavaScript is a totally different language than Java — the founders of JavaScript rode this wave of name confusion to huge popularity, creating another one of the key three languages of the modern internet in the process. JavaScript, or JS, was created to help static web pages become dynamic as users scrolled and clicked around. It’s one of the most widely used languages in our modern world of programming, utilized in about 99% of frontend web page applications.
HTML
The third of our key three computer languages integral to the World Wide Web, HTML is a markup language that outlines the structure and provides an interactive depth to content on a web page. It operates using a system of tags that act to plug in anchors (links) to other web pages, embed audio and video elements, and define text structure between headers, paragraphs, and subheads.
PHP
Despite the claims of it being outdated, PHP remains one of the most widely used programming languages for backend web development. It was one of the first languages to harmonize with HTML, allowing direct embedding into the code for more dynamic web pages. PHP has been used to develop social media websites, CMS platforms, and Wikipedia.
Ruby
A general-purpose programming language with a wide application of uses beyond websites, Ruby was created in the mid 1990s as a scripting language with a decent amount of inspiration from Perl. It helped build massive ventures like Twitter and Airbnb, and you’ll be hard pressed to find a programming language with a core philosophy anywhere near as optimistic as Ruby’s, whose creator says that he made the language so programmers could enjoy their work.
Rust
Still wet behind the ears with little more than a decade since its creation, Rust is a comparatively much newer general-purpose language that the programming community adopted seemingly overnight — Linux built the language into their kernel while Google, Meta, and Amazon use it for database operation and management. Rust has a flourishing global community of users that praise the language’s speed and dependable structure.
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