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Based on our record, Apache OpenWhisk seems to be more popular. It has been mentiond 7 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Serverless functions are now offered by many cloud providers, as well as having options like OpenFaaS, Knative, Apache's Openwhisk and more from the open source community that run in environments ranging from one server all the way up to globally replicated private clusters. - Source: dev.to / about 1 year ago
The serverless functions with Digital Ocean are based on Apache Open Whisk, so the service has additional name space, which need to go into the URL. - Source: dev.to / over 2 years ago
The two biggest options are OpenWhisk and OpenFaas. Check out /r/serverless for more options. I'm experimenting currently with OpenFaas as it's the lighter weigh to of the two. Source: over 2 years ago
If you meant lambda for cloud functions provided by Amazon then this is open source and free, as long as you host it yourself: https://openwhisk.apache.org/. Source: over 2 years ago
Not necessarily an orchestrator, but you could take a look at https://openwhisk.apache.org/ it's like AWS Lambdas but for kubernetes (and open shift if you swing that way). Haven't used it personally, but the reading I've done on it suggests you could probably use it for this. Source: about 3 years ago
Dkron - Easy, Reliable Cron jobs A distributed Cron service with, API, no SPOF and an easy to use dashboard.
AWS Lambda - Automatic, event-driven compute service
Azure Functions - Azure Functions is a serverless event driven experience that extends the existing Azure App Service platform.
Nuclio - Nuclio is an open source serverless platform.
Knative - Knative provides a set of components for building modern, source-centric, and container-based applications that can run anywhere.
Fission.io - Fission.io is a serverless framework for Kubernetes that supports many concepts such as event triggers, parallel execution, and statelessness.