Suggest an alternative to

service-io

Build your own hostingless server.

Why do you think that https://github.com/lemunozm/mailfred is a good alternative to service-io

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with service-io. Optional.

A valid email to send you a verification link when necessary or log in.