What InnerSource Commons Foundation does

InnerSource Commons Foundation is a U.S. 501(c)(3) public charity incorporated on February 19, 2020, that operates a global community for practitioners applying open source development principles to internal (closed source) enterprise software work. The Foundation was preceded by an informal community founded in 2015 and now connects over 3,000 individuals from more than 800 companies, academic institutions, and government agencies.

The Foundation's core offerings are educational content, community programming, and events rather than software products. Core publications include the InnerSource Patterns book (a GitBook-hosted collection of community-validated best practices), the InnerSource Learning Path, and a series of focused books covering getting started, managing projects, checklists, and adoption case studies. Programs include an annual State of InnerSource research report (with localized Japanese and Brazilian editions), working groups focused on specific InnerSource topics, community calls, regional InnerSource Gatherings (e.g., London 2025), and the flagship InnerSource Summit series (Chicago 2017, New York 2018, Galway 2019, tri-city 2025 in Yokohama, Berlin, and New York, with 2026 already scheduled). Technical infrastructure is built on donated or freemium third-party tools: GitHub for repositories and the InnerSourcePatterns collection, Slack for real-time discussion, Mailchimp for newsletters, Eventbrite for event registration, YouTube for archival recordings, and GitBook for the Patterns publication. The Foundation does not develop proprietary software.

The Foundation generates revenue through two streams: corporate sponsorships and event sponsorships (companies such as SAP, IBM, and Mitsubishi Electric currently host or sponsor summit venues), and membership contributions from organizations joining the Foundation. All educational content, community participation, and event access are provided free of charge; the Foundation is governed by a board of directors and led by an Executive Director (Russ Rutledge) and President (Yuki Hattori), both of whom also hold senior roles at WellSky and GitHub respectively, consistent with a part-time volunteer-driven operating model. Strategic partners include Mitsubishi Electric (2025 Yokohama host and OSPO/ISPO co-creation partner), SAP (Berlin host and founding member), IBM (New York host), GitHub (infrastructure partner), and The Linux Foundation (philosophical alignment and keynote participation).

Name

InnerSource Commons Foundation

Legal name

InnerSource Commons Foundation

Website

https://innersourcecommons.org

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

11–50 employees

Short description

InnerSource Commons Foundation is a U.S. 501(c)(3) nonprofit that operates the leading global community for practitioners applying open source development principles to internal enterprise software. It serves 3,000+ individuals from 800+ companies through books, research, working groups, regional gatherings, and an annual international summit.

Ownership category

akta.pro rank

Product category

Open Source Collaboration Community

NAICS

Business, Professional, Labor, Political, and Similar Organizations (8139), Civic and Social Organizations (8134)

SIC

Services-Membership Organizations (8600), Services-Educational Services (8200)

akta.pro primary industry

OER Authoring, Remixing & Publishing Tools/Platforms (EDAGAJAM)

akta.pro secondary industries

Open Educational Resources (OER) & Curriculum Repositories (EDAFACAJ), Open Access Scholarly Journals & Monographs (EDAGAFAJ), Open Educational Resources (OER) & Open Access Academic Publishing (MPAJABAG)

Keywords

• InnerSource practices
• Open source collaboration
• Developer community education
• Software collaboration patterns
• Open collaboration methodology

Headquarters

HQ city

Dallas

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Others

Revenue model

1. Sponsorships and Event Sponsorships: The InnerSource Commons Foundation generates revenue through corporate sponsorships and event sponsorships. Companies sponsor the organization and its events (like the annual InnerSource Summit) to gain visibility with the InnerSource practitioner community and demonstrate their commitment to open collaboration practices.
2. Membership Contributions: Organizations join as members of InnerSource Commons, contributing to the sustainability of the community and gaining access to governance participation and organizational visibility within the network of InnerSource practitioners.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

InnerSource Commons Foundation curates, publishes, and distributes free educational resources, best-practice patterns, books, case studies, and community events that teach organizations how to apply open source collaboration principles to their internal software development. Its primary deliverables are the InnerSource Patterns book, the InnerSource Learning Path, four supplementary published books, the InnerSource Stories case-study library, the annual State of InnerSource research report, and a global events program including the InnerSource Summit, regional Gatherings, and Community Calls.

Product overview

InnerSource Commons Foundation is a nonprofit community organization (501(c)(3) public charity) that empowers organizations worldwide to apply open collaboration principles to internal software development. The organization offers a comprehensive portfolio of educational resources including the InnerSource Patterns book (best practices), the InnerSource Learning Path (structured curriculum), and five published books covering getting started, management, checklists, and case studies. The core community offerings include InnerSource Stories (case studies from 100+ organizations), an annual State of InnerSource research report, and regular community events including InnerSource Summits, Gatherings, and Community Calls. The foundation facilitates collaboration through Working Groups and maintains open repositories on GitHub for pattern development and community contributions.

Differentiator

Problem solved

Functional benefit

Products and services

• InnerSource Patterns A community-validated collection of InnerSource best practices codified in a specific format, making them easy to understand, evaluate, and apply across different organizational contexts. Published as a book and maintained via GitHub for global free access.
• InnerSource Learning Path A structured learning path for those new to InnerSource, providing an easy-to-understand introduction covering key terms, concepts, and principles with real examples to bring newcomers up to speed.
• Getting Started with InnerSource (book) Foundational book covering the basics of InnerSource practices and principles for organizations beginning their InnerSource journey.
• Managing InnerSource Projects (book) Book providing guidance on effectively managing InnerSource projects, including tooling, strategy, and configuration management for platforms like GitHub.
• Understanding the InnerSource Checklist (book) Book providing a checklist framework for evaluating and implementing InnerSource practices within organizations.
• Adopting InnerSource Principles and Case Studies (book) Book containing case studies and principles for organizations looking to adopt InnerSource practices.
• InnerSource Stories Collection of case studies and testimonials from organizations including Microsoft, United Nations, 3M, ADEO, and over 100 other companies sharing their InnerSource implementation experiences.
• State of InnerSource Report Annual research report released by InnerSource Commons providing the latest status and trends in the InnerSource world, with survey data localized for Japanese and Brazilian communities.
• InnerSource Summit Annual flagship conference event bringing together InnerSource practitioners from around the world. Past summits held in Chicago (2017), New York (2018), Galway (2019), with the 2025 summit marking the 10-year anniversary across Yokohama, Berlin, and New York.
• Community Calls Regular community calls bringing together InnerSource practitioners for knowledge sharing, working group discussions, and peer learning.
• InnerSource Gatherings Local chapter events including InnerSource Gathering London 2025, providing regional opportunities for practitioners to connect and share experiences.

Named customers15 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

AI capability10 records

Partnerships

Five partnerships are on record, tiered flagship and core.

• Mitsubishi ElectricflagshipStrategic or Co-development Partner · 1 January 2025Mitsubishi Electric is a host venue for InnerSource Summit 2025 in Yokohama, Japan. In 2025, Mitsubishi Electric established its Open Source & InnerSource Program Office (OSPO/ISPO) and partnered with InnerSource Commons to drive co-creation both inside and outside the company.
• SAPflagshipStrategic or Co-development Partner · 1 January 2025SAP is a host venue for InnerSource Summit 2025 in Berlin, Germany. SAP has been a long-time supporter of InnerSource and is a founding member of the InnerSource Commons community, with 70% of SAP employees participating in InnerSource practices.
• IBMflagshipStrategic or Co-development Partner · 1 January 2025IBM is a host venue for InnerSource Summit 2025 in New York, USA. IBM has developed a mature InnerSource@IBM program and is a significant contributor to the InnerSource Commons community.
• GitHubcoreTechnology or Integration · 1 January 2015GitHub hosts the InnerSource Commons repositories on their platform. GitHub serves as the underlying technology infrastructure for the community's collaborative development of patterns and resources.
• The Linux FoundationcoreStrategic or Co-development Partner · 1 January 2015The Linux Foundation and InnerSource Commons share similar philosophies around open collaboration. Keynote speakers from The Linux Foundation participate in InnerSource events, and both organizations work toward advancing open source practices.

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• The Linux Foundation: The Linux Foundation is a 501(c)(6) nonprofit that hosts open-source projects and communities globally; it shares ISC's mission of advancing open collaboration and is an explicit InnerSource Summit partner, but operates at vastly greater scale across the full open-source ecosystem.
• Apache Software Foundation: The Apache Software Foundation is a U.S. nonprofit stewarding open-source projects under the Apache License and is closely comparable in structure; ISC's former Chair Isabel Drost-Fromm served on both boards, evidencing direct overlap in open-governance community practice.
• Eclipse Foundation: Eclipse Foundation is a nonprofit open-source community managing governance, working groups, and educational resources for software collaboration; comparable in that it curates reusable patterns and supports enterprises implementing collaborative development models.
• Cloud Native Computing Foundation (CNCF): CNCF is a Linux Foundation sub-project hosting cloud-native open-source communities with conference-circuit, training, and certification programs; structurally analogous to ISC as a community-led, vendor-neutral foundation serving enterprise software practitioners.
• OWASP Foundation: OWASP is a 501(c)(3) nonprofit that produces free open-source security methods, documentation, and community chapters worldwide — directly comparable structure, funding model (donations + sponsorships), and educational publishing format to InnerSource Commons.
• Open Source Initiative (OSI): OSI is a 501(c)(3) public charity that promotes and stewards open-source definitions and standards; same legal form and nonprofit mission as InnerSource Commons Foundation, with comparable advocacy, education, and community-event outputs.

Direct peers

• TODO Group: TODO Group is an industry consortium under the Linux Foundation supporting Open Source Program Offices (OSPOs), which is the same buyer persona ISC targets for InnerSource adoption — both communities publish playbooks and run peer-learning events for enterprise OSPO leaders.
• CURIOSS: CURIOSS is the global community for university and research-institution Open Source Program Offices; ISC board Vice Chair Clare Dillon works directly with CURIOSS, making it the closest peer in serving internal-collaboration practitioners in non-corporate settings.
• CHAOSS (Community Health Analytics for Open Source Software): CHAOSS is a Linux Foundation project providing metrics, tools, and best practices for measuring open-source community health; ISC board member Daniel Izquierdo Cortázar (Bitergia CEO) overlaps directly with CHAOSS's measurement focus and practitioner community.
• Continuous Delivery Foundation: CDF is a Linux Foundation sub-foundation focused on continuous delivery/devops practices with conferences, training, and certifications; analogous to ISC as a practitioner-driven community publishing methodologies for how enterprises build software internally.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/InnerSourceOrg
• GitHubgithub.com/InnerSourceCommons
• YouTubeyoutube.com/channel/UCoSPSd6Or4F_vpjo4SmyoEA
• LinkedInlinkedin.com/company/innersourcecommons

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about InnerSource Commons Foundation