• Build, grow and monetize with Atlassian

    Twilio extends the Atlassian platform to streamline their work

    "We could use JIRA Software right out of the box, but the fact that we can extend it and write against its API really allows my team to get exactly what we need from JIRA." - Simon Thorpe, Director of Product Management
    Read story
  • Build a business

    How Wittified built a successful business on Atlassian Marketplace

    "I first wrote an add-on for myself. Then I realized many other people needed the same solution. I started making a business out of developing add-ons." - Daniel Wester, Chief Product Architect for Wittified add-ons
    Read story
  • Build a business

    Zephyr builds a multi-million dollar business

    "With the Atlassian Ecosystem you already have a market of more than half a million instances and a Marketplace to instantly sell to them." - Samir Shah, founder, Zephyr
    Read story
  • Integrate

    Microsoft integrates with Atlassian

    "Microsoft and Atlassian are working together to streamline how developers deploy and monitor their applications on Azure." - John Shewchuk, Technical Fellow, Microsoft

Elevate your team

Use the Atlassian platform to build add-ons and integrations for any team. If you’re new to building on Atlassian, we’re here to help.


Customize Atlassian with our APIs and more. Whether it’s JIRA, Confluence, HipChat, or Bitbucket, we have APIs to help you get the data you need.


Already have a successful app? Integrate your app with an Atlassian product and reach our millions of users.

Build a business

If you build it, they will come. Share your add-ons in the Atlassian Marketplace to make money—or just to make someone else happy.

Upcoming developer events and news

Attend one of our developer events and keep up to date on the latest from our community.

Get notified

Connect Week Amsterdam

We're accepting applications to Atlassian Connect Week in Amsterdam, Feb 27 - Mar 3 2017. Have an idea for a great add-on or want to convert your existing server add-on to cloud? Apply to  

Summit + AtlasCamp

Summit and AtlasCamp will be held in Barcelona, May 2-5. Sign up for both and save with the special developer bundle pricing.  

Codegeist Hackathon

Atlassian's annual online hackathon is an opportunity to turn your add-on idea into reality. We've just finished Codegeist 2016.