
Your source for information from the commercial open source software (COSS) universe
Our Mission
Cossmology is the definitive directory and knowledge hub for COSS companies and industry developments. We believe in the power of open source to drive innovation and create sustainable businesses.
What We Track
COSS Companies
Comprehensive profiles of companies building commercial products around open source software, including funding, valuations, and key metrics.
Industry Headlines
Latest news, funding announcements, product launches, and market developments in the COSS ecosystem.
Why COSS Matters
Open Innovation
COSS combines the innovation and transparency of open source with sustainable business models, creating value for developers, enterprises, and society.
Community-Driven
COSS companies foster vibrant communities around their projects, ensuring long-term sustainability and continuous improvement through collaborative development.
Enterprise Adoption
Enterprises increasingly rely on open source solutions for their critical infrastructure, driving demand for commercial support and enterprise-grade features.
Future of Software
COSS represents the future of software development, where transparency, collaboration, and entrepreneurship converge to create better products for everyone.
Check Us Out on GitHub
Much of the data in Cossmology is mirrored in our Awesome OSS Companies GitHub repository.
COSS Weekly Newsletter
Stay up to date with the latest news, funding rounds, and announcements from the COSS universe.
Check out COSS Weekly on the webAbout Chinstrap Community


Cossmology is built and maintained by Sabir Ibrahim of Chinstrap Community. Chinstrap Community is a resource center dedicated to supporting and advancing the commercial open source software ecosystem.
Through Cossmology, we aim to provide insights into the COSS universe.
Explore the COSS Universe
Discover companies and trends shaping the future of commercial open source software.

