IntelliJ IDEA: Life after Open Source

Dmitry JemerovDevelopment Lead

JetBrains, Inc.http://www.jetbrains.com/idea/

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What is IntelliJ IDEA• Leading IDE for Java and other languages• The only commercial Java IDE with a

significant market share

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What’s New in 2009• Release of free and open-source version

– IntelliJ IDEA Community Edition– Accepting third-party contributions

• Introduction of IntelliJ Platform and new platform-based products– MPS, RubyMine, PhpStorm etc.

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IntelliJ IDEA Community Edition

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Why Open-Source?• Growth of user base

– Remove cost barrier– Remove license barrier

• Growth of ecosystem around IntelliJ IDEA– Easier to write plugins– More attractive because of licensing

• Increased level of community participation

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IntelliJ IDEA CE: Who’s it For• “Core Java” developers who don’t use

frameworks or have their own– Google, Yandex, Motorola…

• Desktop app developers• Developers using emerging technologies

– Groovy, Scala, Clojure

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What’s In• Full Java support

– Refactorings– Code analysis

• XML/HTML• Groovy, Scala, Clojure• Free VCSes: CVS, Git, Subversion• Ant, Maven, JUnit, TestNG• Eclipse projects interoperability

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What’s Not In• Frameworks

– Java EE, Spring, Hibernate etc.

• App servers• Commercial VCS tools• Key features of other platform-based

products– JavaScript, CSS– PHP, Ruby, Python

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How’s it Going• No drop in sales of new licenses or

upgrades• As of now, ~30% of active users are on

Community Edition• IntelliJ IDEA to be included in Fedora 13• A few new contributors

– Maas van den Berg

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What’s Coming• Work in progress: migrating IDEA’s own

tests to community codebase• Possible that additional components will

be open-sourced• Possible that another edition will be

introduced between Community and Ultimate

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IntelliJ Platform

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IntelliJ Platform• Platform for building IDEs • Extracted from IntelliJ IDEA• Apache 2 license• Not a general purpose RCP

– Does not compete with Eclipse/NetBeans RCP

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MPS 1.1• Talk today at 14:30

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RubyMine 2.0

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WebStorm/PhpStorm• Beta release in April

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PyCharm• Beta release in early Summer

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Codename “CIDR”• IDE for Objective-C / iPhone

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Contributing to IntelliJ IDEA

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Get the Source• http://www.jetbrains.org/• http://git.jetbrains.org/• Tarballs available since 9.0.2• Buildable from IDEA or command line

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Find a Task to Work On• Scratch your own itch• Look at patch-welcome tag in YouTrack• Look at IDEA: Backlog project• Look at plugins wishlist

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Contribute Your Changes• See instructions at

http://www.jetbrains.org/

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What’s Next?

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Plans for IDEA 10• Perception is that big features are mostly

already there• Focus on performance and small

improvements• Java 7 support• AspectJ / Spring Roo support• Improved UI and workflow for distributed

VCSes• UI cleanup, more native UI on Mac

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JetBrains is Hiring!• http://spb.hh.ru/employer/9281• All IDEA-related projects, TeamCity,

YouTrack• Visit our booth today• Meet the Team at 16:30

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Q&ADmitry Jemerovyole@jetbrains.com

IntelliJ IDEA: Life after Open Source

Dmitry JemerovDevelopment Lead

JetBrains, Inc.http://www.jetbrains.com/idea/