Cirrus Labs
To help engineers with new kinds of tooling and environments that make them more efficient and productive in the cloud-computing era, now expanding to support agentic engineers.
At a Glance
- Software Engineers
- DevOps/DevProd Teams
- AI Agent Developers
AI Tools by Cirrus Labs
(1)
Tart
Apple Silicon VM Toolset
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Products & Services
A modern continuous integration system built for the cloud computing era, supporting multiple platforms and 'bring-your-own-cloud' architecture.
A virtualization tool for running macOS and Linux on Apple Silicon.
An orchestrator for running Tart Virtual Machines on a cluster of Apple Silicon devices.
A tool to create, publish, and virtualize ephemeral Linux VMs with ease, supporting the Tart VM image format.
Market Position
Niche focus on high-performance CI/CD for Apple hardware and virtualization tools, known for innovation in Apple Silicon infrastructure.
Leadership
Founders
Fedor Korotkov
Seasoned DevProd Engineer; former mentor and engineer at Twitter (involved in build systems like Pants); Chief Typing Officer at Cirrus Labs.
Executive Team
Fedor Korotkov
Founder & CEO/CTO
Seasoned DevProd engineer, formerly at Twitter.
Founding Story
Cirrus Labs was started by Fedor Korotkov in 2017 in the spirit of Bell Labs, aiming to work on fun, challenging engineering problems while bootstrapping a business as a by-product.
Business Model
Revenue Model
Subscription-based (SaaS CI/CD) and licensing for virtualization tools (post-acquisition transitioning to open-source with fees waived).
Pricing Tiers
For public repositories only; access to Cirrus Cloud Clusters.
For individuals with private repositories on GitHub Marketplace.
For teams with private repositories; supports BYO infrastructure or compute credits.
Pay-as-you-go credits for consuming cloud resources (e.g., Apple Silicon at 15 credits/1000 min).
Target Markets
- Software Engineers
- DevOps/DevProd Teams
- AI Agent Developers
- iOS/macOS CI/CD
- Engineering productivity tools
- Agentic engineering infrastructure
- Virtualization on Apple Silicon
- Open-source projects
- Teams requiring macOS/iOS CI