COS is a non-profit technology company providing free and open services to increase inclusivity and transparency of research. COS supports shifting incentives and practices to align more closely with scientific values.

What We Work On


COS supports research on scientific practices. These efforts can inform best practices and serve as platforms to demonstrate reproducible research methods. See some examples.


COS fosters open science communities of researchers and scientists, their affiliated institutions, their funders, and the publishers of research outcomes. Check out COS Communities to learn more.


COS supports and maintains the free Open Science Framework to help researchers manage and archive their research, privately or publicly. Take a tour to learn more.

Who We Work With

Research Institutions

COS works with institutions to enhance transparency, foster collaboration, and increase the visibility of research at the institutional level. Learn how to get your institution connected.


COS empowers scientists to make their work more accessible and reproducible, and includes researchers in communities studying, training, or changing research practices. Explore simple steps toward open science.

Publishers & Societies

COS maintains free, easy-to-adopt tools and services for journals, societies, and funders to incentivize openness and preregistration. Read more about how COS can assist you.


COS builds open source web apps, connects via API with other services, and supports open projects. Find out how you can contribute.