Freedom251 › Serverless Platforms
OpenFunction

Facts from OpenFunction's own pages
- Autoscaling
- It supports autoscaling from zero to N and event-metric-based autoscaling for asynchronous functions. · openfunction.dev, 7 Oct 2026
- Backend integrations
- OpenFunction integrates with Dapr and currently supports its pub/sub and bindings building blocks. · openfunction.dev, 7 Oct 2026
- Builds
- It can build function source code into container images using Shipwright and Cloud Native Buildpacks. · openfunction.dev, 7 Oct 2026
- Deployment
- Installation requires a Kubernetes cluster and documents deployment using Helm charts. · openfunction.dev, 7 Oct 2026
- Event bus
- OpenFunction Events lists NATS Streaming as a supported event bus broker. · openfunction.dev, 7 Oct 2026
- Event sources
- OpenFunction Events lists Kafka, Cron, and Redis as supported event source types. · openfunction.dev, 7 Oct 2026
- Event triggers
- Async-function examples include Kafka, cron, and MQTT inputs. · openfunction.dev, 7 Oct 2026
- Function types
- It supports synchronous functions that handle HTTP requests and asynchronous functions triggered by events. · openfunction.dev, 7 Oct 2026
- Installation requirement
- Installation requires a Kubernetes cluster, and the documented Helm installation requirements specify Kubernetes 1.21 or later and Helm 3.6.3 or later. · openfunction.dev, 7 Oct 2026
- Integrations
- Its BaaS integration uses Dapr and currently supports the pub/sub and bindings building blocks. · openfunction.dev, 7 Oct 2026
- Known limitation
- The FAQ says per-revision hard concurrency limits for Knative Serving are not currently supported by OpenFunction. · openfunction.dev, 7 Oct 2026
- Languages
- The sync-function examples cover Go, Node.js, Python, Java, and .NET. · openfunction.dev, 7 Oct 2026
- License
- OpenFunction is licensed under the Apache License, Version 2.0. · openfunction.dev, 7 Oct 2026
- Networking
- OpenFunction Gateway is based on Kubernetes Gateway API and can use compatible gateway implementations such as Contour, Istio, and Apache APISIX. · openfunction.dev, 7 Oct 2026
- Notable limitation
- The FAQ says private image repository access using certain insecure configurations is not supported directly by Cloud Native Buildpacks and gives a workaround. · openfunction.dev, 7 Oct 2026
- Project status and license
- The GitHub repository identifies OpenFunction as a CNCF Sandbox project and lists an Apache-2.0 license. · github.com, 7 Oct 2026
- Purpose
- OpenFunction is a cloud-native open-source FaaS platform for running serverless workloads from function source code. · openfunction.dev, 7 Oct 2026
- Requirements
- The installation guide lists Kubernetes version >=v1.21.0-0 and Helm version >=v3.6.3 as requirements. · openfunction.dev, 7 Oct 2026
- Runtime components
- The installation guide offers options to install all components, serving without build, the Knative sync runtime, or the OpenFunction async runtime. · openfunction.dev, 7 Oct 2026
- Scaling
- The project lists autoscaling from zero to N and event-source-metric-based autoscaling for async functions among its features. · openfunction.dev, 7 Oct 2026
- Support resources
- The project directs users to its documentation and FAQ and provides community contact, calls, and events through its repository. · github.com, 7 Oct 2026
- What it does
- OpenFunction is a cloud-native, open-source Function as a Service platform for running functions without managing their underlying runtime environment and infrastructure. · openfunction.dev, 7 Oct 2026
Where OpenFunction stands on Freedom251
- Serverless Platforms#18 of 29