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Head-to-head · Serverless Development Frameworks

Quarkus vs Fn Project

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Quarkus #5 in Serverless Development Frameworks 8.6/10 Free plan Free plan✓ 0 of 4 features Visit Quarkus

Quarkus leads on 0 checks, Fn Project on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreQuarkus · 8.6/10
  • Free planonly Quarkus

Quarkus scores higher on our rubric for serverless development frameworks: 8.6 against 8.1 out of 10; our editors rank them #5 and #8.

Quarkus is the better fit for java teams building cloud-native applications and functions. Fn Project is the better fit for teams running containerized functions across environments.

  • Quarkus fits best

    Java teams building cloud-native applications and functions

  • Fn Project fits best

    Teams running containerized functions across environments

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Quarkus 8.6/10 Visit ↗ Fn Project 8.1/10 Visit ↗
At a glance
Editor score 8.6 8.1
Ranking #5 in Serverless Development Frameworks #8 in Serverless Development Frameworks
Best for Java teams building cloud-native applications and functions Teams running containerized functions across environments
Pricing model Free Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Self-hosted Desktop, Self-hosted
Platforms Web, Windows, macOS, Linux Linux, macOS, Windows
Integrations 6 integrations 3 integrations
Features Quarkus 0/4 · Fn Project 0/4
Local testing Not checked yet Not checked yet
Application packaging Not checked yet Not checked yet
Kubernetes support Not checked yet Not checked yet
Deployment rollback Not checked yet Not checked yet
Specs
Deployment targets Not checked yet Not checked yet
Supported languages Not checked yet Not checked yet
Deployment model Not checked yet Not checked yet
Our review
Pros
  • Build for the JVM or as a native executable
  • Live reload and continuous testing in development mode
  • Generate Kubernetes resources and container images
  • Deploy to public, private, hybrid, or on-premises infrastructure
  • Group multiple functions and triggers into applications
  • Use custom Docker images and deploy to Kubernetes with an official Helm chart
Cons
  • No serverless-specific deployment workflow
  • Deployment is self-hosted on infrastructure you select
  • Support channels are community and documentation
  • Fn Project is self-hosted rather than a vendor-hosted service
  • Its local development guidance is less detailed than some alternatives
  • Operational workflow details are less extensive than some alternatives
Our verdict

Quarkus is an open-source framework for building cloud-native applications, aimed at Java and Kotlin teams working with JVM or native executable targets. It includes REST development, database access through Hibernate ORM and Panache,…

Read the review →

Fn Project is an open-source, event-driven Functions-as-a-Service platform for teams that want to run functions on infrastructure they manage. It packages functions as native Docker containers and supports public, private, hybrid, and…

Read the review →
  1. QuarkusServerless Development Frameworks 8.6Free plan
  2. Fn ProjectServerless Development Frameworks 8.1Open source

Strengths and trade-offs

  • Quarkus — where it wins

    • Build for the JVM or as a native executable
    • Live reload and continuous testing in development mode
    • Generate Kubernetes resources and container images

    Where it doesn't

    • No serverless-specific deployment workflow
    • Deployment is self-hosted on infrastructure you select
    • Support channels are community and documentation
  • Fn Project — where it wins

    • Deploy to public, private, hybrid, or on-premises infrastructure
    • Group multiple functions and triggers into applications
    • Use custom Docker images and deploy to Kubernetes with an official Helm chart

    Where it doesn't

    • Fn Project is self-hosted rather than a vendor-hosted service
    • Its local development guidance is less detailed than some alternatives
    • Operational workflow details are less extensive than some alternatives
  • Quarkus8.6/10 · Free plan

    An open-source Java and Kotlin framework with Kubernetes tooling, not a serverless deployment workflow.

    Visit QuarkusFull verdict →
  • Fn Project8.1/10 · Open source

    A self-hosted, container-native Functions-as-a-Service platform for deployment across environments.

    Visit Fn ProjectFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update