Introduction to InnerSource Commons

The InnerSource Commons is the world’s largest online community of InnerSource practitioners, representing over 1,300 subscribers from more than 500 organizations.

Our community is dedicated to the concept of InnerSource, which we define as the use of open source principles and practices for software development within the confines of an organization.

By bringing these world-class practices “inside the firewall,” companies can break down silos, scale internal collaboration, and identify opportunities to eventually contribute back to the open source world.

What We Do: Community Activities

Our community is highly active

providing a collaborative space for practitioners to share lessons learned and develop industry standards.

Our core activities include:
  • Working Groups: We host dedicated groups focused on specific pillars of InnerSource. For example, our InnerSource Patterns Working Group has spent years nurturing and documenting best practices to help others on their InnerSource journey.

    Explore our Working Groups for a deeper dive:

  • Community Calls and Gatherings: We facilitate regular interactions through Community Calls and Gatherings (local chapters). These sessions allow for live discussions on patterns, challenges, and success stories.

    See our Upcoming Events and Events Calendar for more.

  • InnerSource Summits: Our flagship events, like the InnerSource Summit, bring together global leaders to discuss the state of the practice.

    Access Past Event Recordings to see previous presentations.

  • Research and Resources: We engage in and support InnerSource Research to quantify the business impact of these practices and identify emerging trends. We also provide extensive Learning Resources, including a structured Learning Path, community videos, and a comprehensive library of books.

    Visit our Research and Learning Resources pages.

Who We Are

The InnerSource Commons was established to provide a reusable governance framework and a supportive ecosystem for organizations looking to adopt open source methodologies internally.

  • Learn more about our History and Governance and the people behind the foundation in our About ISC Foundation page.

Get Involved

Whether you are a developer looking to improve your career or a manager seeking to increase organizational maturity, the InnerSource Commons has a place for you.

  • Join our Slack Community to connect with over a thousand practitioners daily.

  • Read our Quick Start Guide for ideas on how to get involved.

  • Contribute to the InnerSource Patterns to share your organization’s success stories and challenges.

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