Lightweight Kubernetes for edge and IoT
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Tracked since2025
0 reviews trackedThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Lightweight Kubernetes
Biggest con
Not full K8s features
TL;DR - K3s
- K3s is a lightweight Kubernetes distribution for edge, IoT, and resource-constrained environments
- It provides full Kubernetes functionality in a single binary under 100MB
- Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups
What is K3s?
K3s is lightweight Kubernetes that runs anywhere. Certified Kubernetes with minimal resources-container orchestration for edge, IoT, and development.
The installation is trivial. The resource usage is small. The compatibility is full.
Teams needing Kubernetes without heavy infrastructure choose K3s for lightweight orchestration.
Available on: Linux
Pros & Cons
Pros
- Lightweight Kubernetes
- Easy to install
- Edge-ready
- Low resource usage
- Active development
Cons
- Not full K8s features
- Limited for large clusters
- Some incompatibilities
- Learning curve
- Production considerations
Key Features
Lightweight KubernetesEdgeIoTARM supportSingle binaryCNCF
Pricing Plans
Most Popular
Free
Free
Open source
- Lightweight K8s
- Edge/IoT
- Single binary
- ARM support
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K3s FAQ
Is K3s free?
K3s is completely free and open source from Rancher (now SUSE). You can run it on any infrastructure without licensing costs.
What is K3s?
K3s is a lightweight Kubernetes distribution designed for edge computing and IoT. It has a smaller footprint than full Kubernetes while remaining fully certified and compatible.
K3s vs K8s?
K3s is a lighter version of Kubernetes with a smaller binary and lower resource requirements. Use K3s for edge, IoT, or simple deployments. Use full K8s for complex enterprise needs.
Source: k3s.io