IBM Cloud Functions is described as 'Based on Apache OpenWhisk, IBM Cloud Functions is a polyglot functions-as-a-service (FaaS) programming platform for developing lightweight code that scalably executes on demand' and is an app in the business & commerce category. There are more than 10 alternatives to IBM Cloud Functions for a variety of platforms, including Web-based, SaaS, Self-Hosted, Docker and Mac apps. The best IBM Cloud Functions alternative is Heroku. It's not free, so if you're looking for a free alternative, you could try Vercel or Google App Engine. Other great apps like IBM Cloud Functions are Linode, PythonAnywhere, Radius and Google Cloud Functions.