OpenFaaS vs Kustomize: Key Differences & When to Use Each

Comprehensive side-by-side comparison of features, pricing, and metrics

Key Differences

Compare OpenFaaS and Kustomize across features, pricing, integrations, and community metrics. OpenFaaS / Kustomize.

Feature

OpenFaaS

Serverless

Kustomize

Configuration

Side-by-side comparison of developer tools
Serverless functions made simple
Kubernetes native configuration management
GitHub Stars
⭐ 26,253
⭐ 12,189
Contributors
👥 187
👥 473
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
Go
Go
Features
  • • Docker
  • • Faas
  • • Functions
  • • Functions As A Service
  • • Gitops
  • • Hacktoberfest
  • • K8s Sig Cli
Integrations
  • • kubernetes
  • • docker
  • • aws
  • • kubernetes
Momentum Score
14/100 (stable)
62/100 (stable)
Community Health
33/100 (needs-attention)
67/100 (moderate)
Maturity Index
28/100 (experimental)
41/100 (emerging)
Innovation Score
69/100 (progressive)
18/100 (traditional)
Risk Score (higher is safer)
26/100 (high)
43/100 (medium)
Developer Experience
90/100 (excellent)
68/100 (fair)
Links
🌐 Visit Website View on GitHub
🌐 Visit Website View on GitHub

OpenFaaS Strengths

  • ✓ More popular (26,253 stars)
  • ✓ More features (5 listed)

Kustomize Strengths

  • ✓ Larger community (473 contributors)

When to Use OpenFaaS vs Kustomize

Use OpenFaaS when its strengths align better with your stack and team needs, and choose Kustomize when its ecosystem, integrations, or cost profile is a better fit.

Related comparisons

OpenFaaS vs Knative → Kustomize vs Kubernetes → OpenFaaS vs Kubernetes → Kustomize vs Docker → OpenFaaS vs Docker → Kustomize vs MinIO → OpenFaaS vs MinIO → Kustomize vs Trivy → OpenFaaS vs Trivy → Kustomize vs Drone → OpenFaaS vs Drone → Kustomize vs Docker Compose →

More Comparisons

View OpenFaaS → View Kustomize → Search More Tools →

Data source: GitHub API

Last updated: 10/25/2026