Dev Ecosystem 2025

Tools and Trends

See the top performers in the developer toolkit, from programming languages to cloud platforms to databases.


A combination of factors

Our language promise index

We combine growth stability, adoption momentum, and user loyalty to identify programming languages with the biggest chances of expansion over the coming year.


JetBrains Language Promise Index


Topping the billboard

Python and Java are the Taylor Swift and Beyoncé of the developer world.

Primary programming languages


What do we want? More Kotlin contributors. When do we want them? Now! Our multiplatform language has 700+ contributors so far, and we want more.

Learn about Kotlin
Top five languages developers want to adopt nextShare of developers expressing an intention to adopt this language

Moving on up

Flipping the script.
Among the most dramatic rises in real-world usage over the last five years is TypeScript.

Programming languages

PHP, Ruby, and Objective-C are in long-term decline while Rust, Go, and Kotlin continue their slow, steady ascent.

Can we code it? Yes, we can!

Most developers are building the “connective tissue” between systems, rather than creating isolated applications.

Specific functionality implemented by developers code


The rise of the machines! Embedding AI has already become as common as data processing.

What we build

Software products & services


3/4

of developers build websites and business software, while areas like games and AR/VR represent smaller segments.

Platforms

Web platforms come top, while desktop and mobile development work remains significant.

Application Deployment Platforms

The climb to the clouds

Cloud usage


AWS maintains the largest market share. Google Cloud and Microsoft Azure each capture approximately one-quarter of developer usage, with regional providers maintaining notable presence in their home markets.

Database usage trends over time

Charging down the stretch, PostgreSQL edges MySQL out as the most popular database.

Evolution of database usage since 2019
Database usage in 2025


0204
Artificial Intelligence

Dive into artificial intelligence: what’s working, what’s wanted, and what comes next.

Read the story