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Kotlin

Verified Sep 2026

A modern language that makes developers happier

Concise, null-safe JVM language from JetBrains

JetBrains' pragmatic language: 100% JVM-interoperable, null-safe, concise. Google made it the preferred Android language in 2019, and Kotlin Multiplatform now shares business logic with iOS and desktop. Coroutines remain one of the cleanest concurrency models in mainstream languages. A Java developer becomes productive in a week.

Who it's for

Android developers and JVM teams who want concise, null-safe modern language design.

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