Market map / Authorization & policy
Oso
Authorization for application developers, from an open library to the managed Oso Cloud.
- Category
- Authorization as a service
- Lane
- Authorization & policy
- Founded
- 2018
- Ownership
- Private; VC-backed (Sequoia, Felicis)
- HQ
- New York, US
Summary
Oso provides authorization for application developers, starting as an open-source policy library and now centered on Oso Cloud, a managed authorization service. It supports RBAC, ABAC, and ReBAC via its Polar policy language.
Best for
Application teams that want a managed authorization service with a flexible policy model.
Consider if
You prefer a pure open-source, self-hosted engine with no managed dependency.
Strengths
- Flexible policy model (RBAC/ABAC/ReBAC)
- Managed Oso Cloud option
- Developer-focused
Considerations
- Polar policy language learning curve
- Managed dependency for the cloud product