JetBrains built the IDEIntegrated development environment — an editor with debugging, build tools, and project management built in. stack many developers live in: IntelliJ IDEA for JavaA portable language running on the JVM — dominant in enterprise servers, Android, and big data., then RubyMine, PhpStorm, WebStorm, PyCharm, Rider, and the KotlinA modern language from JetBrains — officially supported for Android and interoperable with Java. language itself. Its IntelliJ Platform also powers AndroidGoogle's open mobile operating system — the dominant platform for smartphones worldwide. Studio and Google's language tooling partnerships.

JetBrains became the dominant independent IDEIntegrated development environment — an editor with debugging, build tools, and project management built in. vendor outside MicrosoftThe software giant behind Windows, Office, Azure, and Xbox — founded by Bill Gates and Paul Allen. and Apple.

It proved deep static analysis and refactoringRestructuring code without changing behavior — improving design while keeping tests green. could be a sustainable product business.