Apache OpenWhisk vs Knative: What are the differences?
Developers describe Apache OpenWhisk as "A serverless, open-source cloud platform". Apache OpenWhisk (incubating) is a serverless, open source cloud platform that executes functions in response to events at any scale. On the other hand, Knative is detailed as "Kubernetes-based platform for serverless workloads". Knative provides a set of middleware components that are essential to build modern, source-centric, and container-based applications that can run anywhere: on premises, in the cloud, or even in a third-party data center.
Apache OpenWhisk and Knative belong to "Serverless / Task Processing" category of the tech stack.
Some of the features offered by Apache OpenWhisk are:
- Fine-grained resource consumption
- Use any language, any service
- Plug your service into Apache OpenWhisk
On the other hand, Knative provides the following key features:
- Serving - Scale to zero, request-driven compute model
- Build - Cloud-native source to container orchestration
- Events - Universal subscription, delivery and management of events
Apache OpenWhisk and Knative are both open source tools. It seems that Apache OpenWhisk with 4.07K GitHub stars and 788 forks on GitHub has more adoption than Knative with 1.93K GitHub stars and 378 GitHub forks.