+10 new CNCF Sandbox projects accepted in 2025

Two days ago, a few Open Source projects were accepted to the CNCF Sandbox. This was the second batch of new projects since March, when we announced the latest additions to CNCF. In this post, we list all new arrivals to the CNCF Sandbox from those two batches:

[May 2025]

1. urunc — "runc for unikernels," a CRI-compatible runtime for running unikernels and application kernels as containers. [application request's GitHub issue #353]

2. xRegistry — an abstract model (specification) for managing metadata about resources and a REST-based interface to discover, create, modify and delete those resources. [#357]

3. ModelPack — open standards for packaging, distributing and running AI artifacts in the Cloud Native environment. [#358]

4. kagent — a programming framework for DevOps and platform engineers to run AI agents in Kubernetes. [#360] By the way, we covered the project before in this post.

5. Cadence — a distributed orchestration engine to execute asynchronous long-running business logic. [#368]

[September 2025]

6. OAuth2-Proxy ­— a generic reverse proxy that provides authentication with Google, Azure, OIDC and other identity providers. [#397]

7. Oxia — a scalable metadata store and coordination system for large-scale distributed systems. [#394]

8. HolmesGPT — an AI agent for investigating problems in cloud, finding the root cause, and suggesting remediations. [#392]

9. Cedar — an authorisation policy language for expressing fine-grained permissions as easy-to-understand policies enforced in applications. [#371]

10. Dalec — a declarative format for building system packages and containers in a secure way for supply chain security. [#396]

#news #cncfprojects