Open Source Alternatives

Alternatives to AWS Lambda

Serverless compute service that runs code in response to events.

1 drop-in replacement1 building block

aws.amazon.com/lambda ↗

AWS Lambda is a trademark of its respective owner.

Updated Apr 2026

Drop-in Replacements

Ranked by Discovery Score

OpenFaaS

1380% coverage

Serverless Functions Made Simple

OpenFaaS lets you deploy functions to any Kubernetes or Docker Swarm cluster without locking into AWS Lambda or Google Cloud Functions. Write a function in any language, package it as a container, deploy it, and OpenFaaS handles scaling, routing, and health checks.

26.1k ★+7/wkGoMIT License

Building Blocks

AWS Lambda is a platform — it bundles multiple capabilities into one subscription. These tools each cover one piece. Teams often assemble 2–3 of them instead of paying for the full suite.