Krustlet

Open Source

Run WebAssembly workloads natively within Kubernetes clusters.

About Krustlet

Krustlet is an open-source Kubelet implementation written in Rust that enables Kubernetes clusters to run WebAssembly (Wasm) workloads. It listens to the Kubernetes event stream for new pods assigned by the scheduler based on specific tolerations, allowing Wasm workloads to be scheduled alongside traditional containerized applications. This capability extends Kubernetes' native orchestration to emerging WebAssembly technology, offering enterprises a lightweight, secure, and efficient way to deploy cloud-native applications.

Designed for organizations leveraging Kubernetes for cloud infrastructure, Krustlet targets cloud architects and infrastructure teams seeking to integrate Wasm workloads into their existing environments. Its primary value lies in enabling the execution of Wasm modules with Kubernetes' robust scheduling and management features, facilitating innovation in cloud-native development while maintaining operational consistency. As a Cloud Native Computing Foundation sandbox project, Krustlet is experimental but represents a forward-looking approach to hybrid workload orchestration.

Key Capabilities

✓Run WebAssembly workloads in Kubernetes clusters
✓Kubelet implementation written in Rust
✓Supports Kubernetes pod scheduling with tolerations
✓Integration with Kubernetes event stream
✓Lightweight and secure workload execution

Integrations

KubernetesRust ecosystem toolsCloud Native Computing Foundation projects

Other Cloud Infrastructure Vendors

View all

3Scale

Flexible API management for secure, scalable enterprise integration

AKS Engine for Azure Stack

Deploy and manage Kubernetes clusters on Azure Stack Hub efficiently

APISIX

High-performance cloud-native API and AI gateway for scalable microservices

ARDC Nectar Research Cloud Magnum Service

Secure cloud infrastructure for research data and computing needs

ASUS Cloud Infra

Robust cloud infrastructure solutions tailored for enterprise scalability and reliability

AVAP

Comprehensive API lifecycle management for cloud networking and SD-WAN.

Related Buyer Guides

Independent evaluation frameworks for this category.

Backup & Disaster Recovery

Evaluate Veeam, Commvault, Rubrik, Cohesity, Dell PowerProtect, and Druva against your real RTO and RPO targets — with ransomware resilience, not backup windows, as the deciding criterion.

Cloud Cost Management & FinOps

Compare IBM Apptio Cloudability, VMware Tanzu CloudHealth (Broadcom), Flexera One, Harness, Finout, Zesty, and Vantage on the question this category actually turns on — not whether a dashboard is pretty, but whether shared-cost allocation is accurate, committed-use buying is optimized, and engineering acts on the recommendations.

Cloud Infrastructure & IaaS

Compare AWS, Microsoft Azure, Google Cloud, Oracle Cloud Infrastructure, IBM Cloud, Alibaba Cloud, and DigitalOcean on the one thing the pricing calculator hides — egress, support-tier costs, committed-use discounts, and lock-in — not the on-demand compute rate the demo shows you.

This profile was compiled by CIOPages from public sources with AI assistance, and may be incomplete or out of date. It is informational only and not an endorsement. Represent this vendor? or .