OpenFaaS

openfaas.com · checked 2 Oct 2026

#1 · Serverless Computing Platforms

Visit openfaas.com ↗ Alternatives OpenFaaS vs Knative

How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on Serverless Computing Platforms6.5#1 of 19

OpenFaaS deploys serverless functions and microservices to Kubernetes.

Pricing

Community Edition (CE)15 functions · 1 namespace · 5 replicas per function · personal, non-production useFree
OpenFaaS Standard$1250 / mo* · 500 functions · 1 namespace · single team or tenant · trial limited and subject to approval$1,250/mo
OpenFaaS for EnterprisesCustom · 5000 functions per namespace · unlimited namespaces · enterprise and multi-tenant useOn request

As openfaas.com lists them, checked 2 Oct 2026.

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Runs on

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Windows
Mac
Linux
iOS
Android

Facts

Website: openfaas.com
Price: Free tier · from $1,250/mo
Free trial: Yes
Async jobs: The pricing page lists failed-message retries and a JetStream-based queue worker for Standard.
CLI platforms: The faas-cli installation page gives installation options for Linux, macOS, and Windows.
Event integrations: Listed event sources include Apache Kafka, AWS SQS/SNS, GCP Pub/Sub, RabbitMQ, PostgreSQL, Cron, and MQTT.
Existing services: The site says Express.js, Flask, FastAPI, Django, and ASP.NET Core microservices can be deployed as-is.
Founded: 2019
Function isolation: Enterprise includes secure function isolation such as gVisor, while the pricing page lists sandboxing as a restriction for Standard.
Headquarters: Peterborough, UK
Intended users: The pricing page describes CE for personal use, hobbyists, and experimentation, Standard for a single team or tenant, and Enterprise for large organisations and SaaS teams.
Languages: Official templates are available for Node.js, Python, Go, Java, C#, Ruby, and PHP.
Monitoring: Standard includes Grafana dashboards for monitoring and troubleshooting.
Portable deployment: Functions are portable OCI images that can run on-premises or in the cloud wherever Kubernetes runs.
Scaling: OpenFaaS supports workload-tuned autoscaling, including scaling to zero when idle.

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