Side by side
Kata Containers vs Kuasar
Both stand on container runtime software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Choose Kata Containers if you need container ecosystem compatibility alongside workload isolation using lightweight virtual machines. Its Apache 2.0 license and broad listed hypervisor and architecture support may suit Linux deployments. Look elsewhere if you require Windows containers or long-term-support release branches.
Visit Kata ContainersKuasar provides a free, Rust-based runtime for managing container and sandbox lifecycles across Linux infrastructure. Its broad architecture supports several sandbox types, though individual sandboxers have documented support limits.
Visit KuasarThe facts
| Kata Containers | Kuasar | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Self-hosted | API, Linux, Self-hosted |
| Lowest paid plan | Free or on request | Not published |
| Plans published | 1 | None |
| Maker | Not published | Not published |
| Website | katacontainers.io | kuasar.io |
| On container runtime software | #16 of 28 | #20 of 28 |
Kata Containers: what it does well
- Free to use and distribute under the Apache 2.0 license.
- Each workload runs in a dedicated kernel.
- Supports OCI container images and Kubernetes CRI.
- Integrates with Docker and Kubernetes management layers.
- Supports multiple hypervisors and listed hardware architectures.
What to know first
- Requires nested virtualization or bare metal.
- Only the current monthly release series receives security fixes.
- Previous releases are unsupported, with no long-term-support branches.
- Windows containers are not supported.
Kuasar: what it does well
- Free Apache 2.0 license
- Multiple sandbox types on one node
- Sandbox API abstraction
- Rust implementation
- Integrates with major container runtimes
What to know first
- Linux host required
- Wasm support currently only WasmEdge
- Wasm sandboxes may constrain applications
- Benchmark figures are maker-reported
Alternatives to Kata Containers Alternatives to Kuasar The whole list